2005 Jeep Wrangler Owners Manual

using recovery and recycling equipment. Power Steering Fluid Check Checking the power steering fluid level at a defined service interval is not required. The fluid should only be checked if a leak is suspected, abnormal noises are apparent, and/or the system is not functioning as antici- pated. Coordinate inspection efforts through a certified DaimlerChrysler Dealership.⬙

264 MAINTAINING YOUR VEHICLE

WARNING!

Fluid level should be checked on a level surface with the engine off to prevent injury from moving parts, and to insure accurate fluid level reading. Do not overfill. Use only the manufacturer’s recommended fluid.

If necessary, add fluid to restore to the proper indicated level. With a clean cloth, wipe any spilled fluid from all surfaces. Refer to Recommended Fluids, Lubricants, and Genuine Parts for correct fluid type. Driveline And Steering Component Lubrication U-joints (cardan joints) are sealed and do not require lubrication. Prop shafts, yokes, ball joints and other driveline and steering components may be provided with grease fittings for lubrication. Lubrication of these com- ponents at the intervals specified in the appropriate

“Maintenance Schedule” in Section 8 is very important, particularly if your vehicle is subjected to off-road or other heavy-duty use. See your authorized dealer for complete service information. Body Lubrication Locks and all body pivot points, including such items as seat tracks, doors, tailgate and hood hinges, should be lubricated periodically to assure quiet, easy operation and to protect against rust and wear. Prior to the appli- cation of any lubricant, the parts concerned should be wiped clean to remove dust and grit; after lubricating excess oil and grease should be removed. Particular attention should also be given to hood latching compo- nents to insure proper function. When performing other underhood services, the hood latch, release mechanism and safety catch should be cleaned and lubricated. The external lock cylinders should be lubricated twice a year, preferably in the fall and spring. Apply a small

amount of a high quality lubricant such as Mopar威 Lock Cylinder Lubricant directly into the lock cylinder. Windshield Wiper Blades Clean the rubber edges of the wiper blades and the windshield periodically with a sponge or soft cloth and a mild non-abrasive cleaner. This will remove accumula- tions of salt or road film. Operation of the wipers on dry glass for long periods may cause deterioration of the wiper blades. Always use washer fluid when using the wipers to remove salt or dirt from a dry windshield. Avoid using the wiper blades to remove frost or ice from the windshield. Keep the blade rubber out of contact with petroleum products such as engine oil, gasoline, etc.

MAINTAINING YOUR VEHICLE 265

Windshield Washers

The fluid reservoir in the engine compartment should be checked for fluid level at regular intervals. Fill the reservoir with windshield antifreeze (not radiator anti- freeze) rated not to freeze at -25°F (-31°C). Operate the system for a few seconds to flush out the residual water.

266 MAINTAINING YOUR VEHICLE

WARNING!

Commercial windshield washer solvents are flam- mable. They could ignite and burn you. Care must be exercised when filling or working around the washer solution.

Exhaust System The best protection against carbon monoxide entry into the vehicle body is a properly maintained engine exhaust system. If you notice a change in the sound of the exhaust system; or if the exhaust fumes can be detected inside the vehicle; or when the underside or rear of the vehicle is damaged; have an authorized technician inspect the complete ex- haust system and adjacent body areas for broken, dam- aged, deteriorated, or mispositioned parts. Open seams or loose connections could permit exhaust fumes to seep

into the passenger compartment. In addition, inspect the exhaust system each time the vehicle is raised for lubri- cation or oil change. Replace as required. Cooling System

WARNING!

You or others can be badly burned by hot antifreeze/ coolant or steam from your radiator. If you see or hear steam coming from under the hood, don’t open the hood until the radiator has had time to cool. Never try to open a cooling system pressure cap when the radiator or coolant bottle is hot.

Engine Coolant Checks Check antifreeze/coolant protection every 12 months (before the onset of freezing weather, where applicable). If antifreeze/coolant is dirty or rusty in appearance, the

system should be drained, flushed and refilled with fresh antifreeze/coolant. Check the front of the A/C condenser (if equipped) or radiator for any accumulation of bugs, leaves, etc. If dirty, clean by gently spraying water from a garden hose vertically down the face of the A/C con- denser (if equipped) or the back of the radiator core. Check the engine cooling system hoses for brittle rubber, cracking, tears, cuts, and tightness of the connection at the coolant recovery bottle and radiator. Inspect the entire system for leaks. With the engine at normal operating temperature (but not running), check the cooling system pressure cap for proper vacuum sealing by draining a small amount of antifreeze/coolant from the radiator drain cock. If the cap is sealing properly, the antifreeze/coolant will begin to drain from the coolant recovery bottle. DO NOT RE- MOVE THE COOLANT PRESSURE CAP WHEN THE COOLING SYSTEM IS HOT.

MAINTAINING YOUR VEHICLE 267

Cooling System — Drain, Flush, And Refill At the intervals shown in the appropriate “Maintenance Schedule,” the system should be drained, flushed, and refilled. If the solution is dirty and contains a considerable amount of sediment, clean and flush with reliable cooling system cleaner. Follow with a thorough rinsing to remove all deposits and chemicals. Properly dispose of old antifreeze/coolant solution. Discard old antifreeze/coolant solution according to rec- ommended procedure. Selection Of Engine Coolant Use only the manufacturer’s recommended antifreeze/ coolant, refer to Recommended Fluids, Lubricants, and Genuine Parts for correct antifreeze/coolant type.

268 MAINTAINING YOUR VEHICLE

CAUTION!

• Mixing of antifreeze/coolant other than the speci- fied HOAT antifreeze/coolant may result in de- creased corrosion protection and engine damage. If a non-HOAT antifreeze/coolant is introduced into the cooling system in an emergency, it should be replaced with the specified antifreeze/coolant as soon as possible. • Do not use plain water alone or alcohol base antifreeze/coolant products. Do not use additional rust inhibitors or antirust products, as they may not be compatible with the antifreeze/coolant and may plug the radiator. • This vehicle has not been designed for use with Propylene Glycol based antifreeze/coolant. Use of Propylene Glycol base antifreeze/coolant is not recommended.

Adding Engine Coolant Your vehicle has been built with an improved antifreeze/ coolant that allows extended maintenance intervals. This antifreeze/coolant can be used up to 5 Years or 100,000
miles before replacement. To prevent reducing this ex- tended maintenance period, it is important that you use the same antifreeze/coolant throughout the life of your vehicle. Please review these recommendations for using Hybrid Organic Additive (HOAT) antifreeze/coolant. When adding antifreeze/coolant, a minimum solution of 50% recommended Mopar Antifreeze/ Coolant 5 Year/ 100,000 Mile Formula HOAT (Hybrid Organic Additive Technology), or equivalent, in water should be used. Use higher concentrations (not to exceed 70%) if temperatures below -34°F (-37°C) are anticipated.

Technology

Use only high purity water such as distilled or deionized water when mixing the water/antifreeze (coolant) solu- tion. The use of lower quality water will reduce the amount of corrosion protection in the engine cooling system. Please note that it is the owner’s responsibility to main- tain the proper level of protection against freezing ac- cording to the temperatures occurring in the area where the vehicle is operated. NOTE: Mixing antifreeze/coolant types will decrease the life of the antifreeze/coolant and will require more frequent antifreeze/coolant changes. Cooling System Pressure Cap The cap must be fully tightened to prevent loss of antifreeze/coolant, and to insure that antifreeze/coolant will return to the radiator from the coolant reserve tank.

MAINTAINING YOUR VEHICLE 269

The cap should be inspected and cleaned if there is any accumulation of foreign material on the sealing surfaces.

WARNING!

The warning words DO NOT OPEN HOT on the cooling system pressure cap are a safety precaution. Never add antifreeze/coolant when the engine is overheated. Do not loosen or remove the cap to cool an overheated engine. Heat causes pressure to build up in the cooling system. To prevent scalding or injury, do not remove the pressure cap while the system is hot or under pressure.

Disposal of Used Engine Coolant Used ethylene glycol based antifreeze/coolant is a regu- lated substance requiring proper disposal. Check with your local authorities to determine the disposal rules for your community. To prevent ingestion by animals or

270 MAINTAINING YOUR VEHICLE

children, do not store ethylene glycol based antifreeze/ coolant in open containers or allow it to remain in puddles on the ground. If ingested by a child, contact a physician immediately. Clean up any ground spills im- mediately. Engine Coolant Level The coolant bottle provides a quick visual method for determining that the coolant level is adequate. With the engine idling, and warm to normal operating tempera- ture, the level of the antifreeze/coolant in the bottle should be between the ranges indicated on the bottle. The radiator normally remains completely full, so there is not need to remove the radiator cap unless checking for antifreeze/coolant freeze point or replacing antifreeze/ coolant. Advise your service attendant of this. As long as the engine operating temperature is satisfactory, the coolant bottle need only be checked once a month.

When additional antifreeze/coolant is needed to main- tain the proper level, it should be added to the coolant bottle. Do not overfill. Points To Remember NOTE: When the vehicle is stopped after a few miles of operation, you may observe vapor coming from the front of the engine compartment. This is normally a result of moisture from rain, snow, or high humidity accumulat- ing on the radiator and being vaporized when the thermostat opens, allowing hot antifreeze/coolant to enter the radiator. If an examination of your engine compartment shows no evidence of radiator or hose leaks, the vehicle may be safely driven. The vapor will soon dissipate. • Do not overfill the coolant bottle. • Check antifreeze/coolant freeze point in the radiator and in the coolant recovery bottle. If antifreeze/

coolant needs to be added, contents of coolant recov- ery bottle must also be protected against freezing. • If frequent antifreeze/coolant additions are required, or if the level in the recovery bottle does not drop when the engine cools, the cooling system should be pressure tested for leaks. • Maintain antifreeze/coolant concentration at 50% HOAT antifreeze/coolant (minimum) and distilled water for proper corrosion protection of your engine which contains aluminum components. • Make sure that the radiator and coolant recovery • Keep the front of the radiator clean. If your vehicle is equipped with air conditioning, keep the front of the condenser clean, also. • Do not change the thermostat for summer or winter install

operation. If replacement is ever necessary,

bottle hoses are not kinked or obstructed.

MAINTAINING YOUR VEHICLE 271

ONLY the correct type thermostat. Other designs may result in unsatisfactory cooling performance, poor gas mileage, and increased emissions.

Hoses and Vacuum/Vapor Harnesses Inspect surfaces of hoses and nylon tubing for evidence of heat and mechanical damage. Hard or soft spots, brittle rubber, cracking, tears, cuts, abrasions, and exces- sive swelling indicate deterioration of the rubber. Pay particular attention to the hoses nearest to high heat sources such as the exhaust manifold. Inspect hose rout- ing to be sure hoses do not touch any heat source or moving component that may cause heat damage or mechanical wear. Insure nylon tubing in these areas has not melted or collapsed. Inspect all hose connections such as clamps and couplings to make sure they are secure and no leaks

272 MAINTAINING YOUR VEHICLE

are present. Components should be replaced immedi- ately if there is any evidence of degradation that could cause failure. Brake System In order to assure brake system performance, all brake system components should be inspected periodically. Refer to the appropriate “Maintenance Schedule” in Section 8 for suggested service intervals.

WARNING!

Riding the brakes can lead to brake failure and possibly an accident. Driving with your foot resting or riding on the brake pedal can result in abnormally high brake temperatures, excessive lining wear, and possible brake damage. You wouldn’t have your full braking capacity in an emergency.

Brake and Power Steering System Hoses When servicing the vehicle for scheduled maintenance, inspect surface of hoses for evidence of heat and me- chanical damage. Hard and brittle rubber, cracking, tears, cuts, abrasion, and excessive swelling suggest deteriora- tion of the rubber. Particular attention should be made to examining those hose surfaces nearest to high heat sources, such as the exhaust manifold. Inspect all hose clamps and couplings to make sure they are secure and no leaks are present. Inspection of brake hoses should be done when- NOTE: ever the brake system is serviced and every engine oil change.

WARNING!

Worn brake hoses can burst and cause brake failure. You could have an accident. If you see any signs of cracking, scuffing, or worn spots, have the brake hoses replaced immediately.

Brake Master Cylinder The fluid level in the master cylinder should be checked when performing under hood services, or immediately if the BRAKE warning light shows system failure

MAINTAINING YOUR VEHICLE 273

Be sure to clean the top of the master cylinder area before removing the cap. If necessary, add fluid to bring the fluid level up to the requirements described on the brake fluid reservoir. With disc brakes, fluid level can be expected to fall as the brake pads wear. Brake fluid level

274 MAINTAINING YOUR VEHICLE

should be checked when pads are replaced. However, low fluid level may be caused by a leak and a checkup may be needed. Use only manufacturer’s recommended brake fluid, refer to Recommended Fluids, Lubricants, and Genuine Parts for correct fluid type.

WARNING!

• Use of a brake fluid that may have a lower initial boiling point or unidentified as to specification, may result in sudden brake failure during hard prolonged braking. You could have an accident. • Overfilling the brake fluid reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire.

Use only brake fluid that has been in a tightly closed container to avoid contamination from foreign matter. Do not allow petroleum base fluid to contaminate the brake fluid as seal damage will result. Automatic Transmission

Selection of Lubricant It is important that the proper lubricant is used in the transmission to assure optimum transmission perfor- mance. Use only manufacturer’s recommended transmis- sion fluid, refer to Recommended Fluids, Lubricants, and Genuine Parts for correct fluid type. It is important that the transmission fluid be maintained at the prescribed level using the recommended fluid.

CAUTION!

Using a transmission fluid other than the manufac- turer’s recommended fluid may cause deterioration in transmission shift quality and/or torque converter shudder. Using a transmission fluid other than the manufacturer’s recommended fluid will result in more frequent fluid and filter changes. Refer to Recommended Fluids, Lubricants, and Genuine Parts for correct fluid type.

Fluid Level Check — 42RLE This fluid level should be checked when the engine is fully warmed up and the fluid in the transmission is heated to its normal operating temperature. Operation of the transmission with an improper fluid level will greatly reduce the life of the transmission and of the fluid.

MAINTAINING YOUR VEHICLE 275

To check the automatic transmission fluid level properly, the following procedure must be used: 1. The vehicle must be on level ground. 2. The engine should be running at curb idle speed for a minimum of 60 seconds. 3. Fully apply parking brake. 4. Apply the brakes and shift the transmission momen- tarily into each gear position ending in P (Park). 5. The fluid MUST be checked with the transmission in P (Park) to be sure that the fluid level is accurate. 6. Wipe the dipstick clean and reinsert until seated. Remove dipstick and note reading. At normal operating temperature (approximately 180° F (82° C), the fluid level is correct if it is in the HOT region

276 MAINTAINING YOUR VEHICLE

(cross-hatched area) on the oil level indicator. The fluid level indicator should be in the COLD region at 70° F (21° C) fluid temperature. If the fluid level is low, add sufficient fluid to bring to the proper level. Refer to Recommended Fluids, Lubricants and Genuine Parts for correct fluid type. Fluid is added through the dipstick tube. NOTE: To prevent dirt and water from entering the transmission after checking or replenishing fluid, make certain that the dipstick cap is properly reseated. Special Additives The manufacturer strongly recommends against the ad- dition of any additives to the transmission. The only exception to this policy is the use of special dyes to aid in detecting fluid leaks. The use of transmission sealers should be avoided as they may adversely affect seals.

Hydraulic Clutch Fluid — Manual Transmission The clutch hydraulic system is a sealed maintenance free system. In the event of leakage or other malfunction, the system must be replaced. Manual Transmission

Selection of Lubricant Use only manufacturer’s recommended manual trans- mission fluid, refer to Recommended Fluids, Lubricants, and Genuine Parts for correct fluid type. Fluid Level Check Check the fluid level by removing the fill plug. The fluid level should be between the bottom of the fill hole and a point not more than 3/16” (4.76 mm) below the bottom of the hole. Add fluid, if necessary, to maintain the proper level.

Frequency of Fluid Change Under normal operating conditions, the fluid installed at the factory will give satisfactory lubrication for the life of the vehicle. Fluid changes are not necessary unless the lubricant has become contaminated with water. If con- taminated with water, the fluid should be changed im- mediately. Transfer Case

Fluid Level Check The fluid level should be to the bottom edge of the fill hole (A) when the vehicle is in a level position.

MAINTAINING YOUR VEHICLE 277

Adding Fluid Fluid should be added only at filler hole until fluid begins to run out of the hole. Drain First remove fill plug (B), then drain plug (C). Recom- mended tightening torque for drain and fill plugs is 15–25 ft.lbs. (20–34 N·m).

278 MAINTAINING YOUR VEHICLE

CAUTION!

Front/Rear Axle Fluid

When replacing plugs, do not overtighten. You could damage them and cause them to leak.

Selection of Lubricant Use only manufacturer’s recommended fluid, refer to Recommended Fluids, Lubricants, and Genuine Parts for correct fluid type.

Fluid Level Check Lubricant should be at bottom edge of the oil fill hole. Adding Fluid Add lubricant only at the fill hole and only to the level specified above.

Selection of Lubricant Use only manufacturer’s recommended fluid, refer to Recommended Fluids, Lubricants, and Genuine Parts for correct fluid type. Appearance Care And Protection From Corrosion

Protection Of Body And Paint From Corrosion Vehicle body care requirements vary according to geo- graphic locations and usage. Chemicals that make roads passable in snow and ice, and those that are sprayed on trees and road surfaces during other seasons, are highly corrosive to the metal in your vehicle. Outside parking, which exposes your vehicle to airborne contaminants, road surfaces on which the vehicle is operated, extreme hot or cold weather and other extreme conditions will have an adverse effect on paint, metal trim, and under- body protection.

MAINTAINING YOUR VEHICLE 279

The following maintenance recommendations will enable you to obtain maximum benefit from the corrosion resistance built into your vehicle. What Causes Corrosion? Corrosion is the result of deterioration or removal of paint and protective coatings from your vehicle. The most common causes are: • Road salt, dirt and moisture accumulation. • Stone and gravel impact. • Insects, tree sap and tar. • Salt in the air near sea-coast localities. • Atmospheric fallout/industrial pollutants. • Bird droppings.

280 MAINTAINING YOUR VEHICLE

Washing • Wash your vehicle regularly. Always wash your ve- hicle in the shade using a mild car wash soap and rinse the panels completely with clear water. • If insects, tar, or other similar deposits have accumu- • Use Mopar威 Auto Polish to remove road film and stains and to polish your vehicle. Take care never to scratch the paint. • Avoid using abrasive compounds and power buffing that may diminish the gloss or thin out the paint finish.

lated on your vehicle, wash it as soon as possible.

CAUTION!

Do not use abrasive or strong cleaning materials such as steel wool or scouring powder, which will scratch metal and painted surfaces.

Appearance Care For Fabric Top Models

CAUTION!

To maintain the appearance of your vehicle’s interior trim and top, follow these precautions: • Avoid leaving your vehicle unattended with the top down, as exposure to sun or rain may damage interior trim. • Do not use harsh cleaners or bleaching agents on top • Do not allow any vinyl cleaner to run down and dry • After cleaning your vehicle’s fabric top, always make

material, as damage may result.

on the paint, leaving a streak.

sure it is completely dry before lowering.

• Be especially careful when washing the windows by following the directions for “Care of Fabric Top Win- dows.”

WASHING — Always use mild soap suds, lukewarm water, and a brush with soft bristles. If extra cleaning is required, use a mild foaming cleaner on the entire top, but support top from underneath. RINSING — Be sure to remove all trace of cleaner by rinsing the top thoroughly with clean water. Remember to allow the top to dry before lowering it. Care Of Fabric Top Windows

CAUTION!

Your vehicle’s fabric top has pliable plastic windows which can be scratched unless special care is taken by following these directions:

MAINTAINING YOUR VEHICLE 281

1. Never use a dry cloth to remove dust. Instead, use a soft cotton cloth moistened with cold or warm, clean water, and wipe across the window, not up and down. 2. When washing, never use hot water or anything stronger than a mild soap. Never use solvents such as alcohol or harsh cleaning agents. 3. Always rinse thoroughly with cold water, then wipe with a soft and slightly moist, clean cloth. 4. When removing frost, snow or ice, never use a scraper or de-icing chemicals. Use warm water only if you must clean the window quickly. 5. Debris (sand, mud/dirt, dust, or salt) from off-road driving will have a major impact on zipper operation. Even normal on-road driving and vehicle washing will eventually impact window zipper operation. To maintain ease of use of the window zippers, each window zipper should be cleaned and lubricated regularly. Use Mopar威

282 MAINTAINING YOUR VEHICLE

Soft Top Zipper Cleaner and Lubricant to ease zipper operation. Before applying, make sure the zipper teeth are clear of sand, mud, and other materials. Clean both sides of the zipper, not just one side. Rinse both zipper halves with fresh water and allow to dry. Aggressively work the Mopar威 Soft Top Zipper Cleaner and Lubricant into the zipper teeth. If a stuck zipper slide is experi- enced, work the Mopar威 Soft Top Zipper Cleaner and Lubricant into the zipper slide. Several applications may be required before the zipper comes free. 6. Never paste stickers, gummed labels or any tape to the windows. Adhesives are hard to remove and may dam- age the windows. Special Care • If you drive on salted or dusty roads or if you drive near the ocean, hose off the undercarriage at least once a month.

• It is important that the drain holes in the lower edges of the doors, rocker panels and tailgate must be kept clear and open. • If you detect any stone chips or scratches in the paint, touch them up immediately. The cost of such repairs is considered the responsibility of the owner. • If you carry special cargo such as chemicals, fertilizers, de-icer salt, etc., assure that such materials are well packaged and sealed. • If a lot of driving is done on gravel roads, consider • Use Mopar威 Touch Up Paint on scratches or chips as soon as possible. Your authorized dealer has touch up paint to match the color of your vehicle. • Aluminum wheels should be cleaned regularly with mild soap and water to prevent corrosion. To remove heavy soil, select a non-abrasive, non-acidic cleaner.

mud or stone shields behind each wheel.

Do not use scouring pads or metal polishes. Avoid automatic car washes that use acidic solutions or harsh brushes that may damage the wheels’ protective fin- ish.

Interior Care Use Mopar威 Fabric Cleaner to clean fabric upholstery and carpeting. Use Mopar威 Vinyl Cleaner to clean vinyl or leather upholstery. Mopar威 Vinyl Cleaner is specifically recommended for interior vinyl trim.

WARNING!

Do not use volatile solvents for cleaning purposes. Many are potentially flammable, and if used in closed areas they may cause respiratory harm.

MAINTAINING YOUR VEHICLE 283

Glass Surfaces All glass surfaces should be cleaned on a regular basis with any commercial household-type glass cleaner. Never use an abrasive type cleaner. Use caution when cleaning inside rear windows equipped with electric defrosters. Do not use scrapers or other sharp instru- ments which may scratch the elements. When cleaning the rear view mirror, spray cleaner on the towel or rag that you are using. Do not spray cleaner directly on the mirror. Carpet Vacuum your carpet regularly to prevent a soil build-up. Shampoo soiled carpet with a reliable upholstery cleaner, using a natural sponge or soft bristle brush. After carpet dries, vacuum it thoroughly.

284 MAINTAINING YOUR VEHICLE

WARNING!

Only remove the carpet for cleaning purposes. It provides insulation against high floor pan tempera- tures. You or your passengers could be burned if the carpet is not properly in place. Always put the carpet back into the vehicle before driving.

Follow These Steps To Remove The Carpet: 1. Unsnap the front and rear floor carpets. A snap is located on the outboard side of each front seat. 2. Remove the attachment cap from the front footwell area on both the driver and passenger side. The cap is removed by pulling it straight out. 3. Remove the front and rear floor carpets. 4. Remove the cargo floor and wheelhouse carpets.

If your vehicle is equipped with an Add-A- NOTE: Trunk™ it must be removed to be able to remove the cargo floor and wheelhouse carpets. For Add-A-Trunk™ removal procedure, refer to “Storage” in Section 3 of this manual. Follow These Steps To Replace The Carpet: 1. Place the front floor carpets in the vehicle. 2. Attach the carpet to the studs in the footwell and press on the attachment caps to secure the carpet. 3. Place rear floor carpet in vehicle and snap rear carpet to front floor carpet. 4. Install wheelhouse carpet followed by the cargo floor carpet. 5. Reinstall Add-A-Trunk™ if so equipped.

Seat Belt Maintenance Do not bleach, dye or clean the belts with chemical solvents or abrasive cleaners. This will weaken the fabric. Sun damage will also weaken the fabric. If the belts need cleaning, use a mild soap solution or lukewarm water. Do not remove the belts from the vehicle to wash them. Replace the belts if they appear frayed or worn or if the buckles do not work properly. Maintenance After Off-Road Driving After extended operation in mud, sand or water, or similar dirty conditions, have your brake drums, brake linings, and axle joints inspected and cleaned as soon as possible. This will prevent any abrasive material from causing excessive wear or unpredictable braking action. Following off-road usage, completely inspect the under- body of your vehicle. Check tires, body structure, steer- ing, suspension and exhaust system for damage. Check

MAINTAINING YOUR VEHICLE 285

threaded fasteners for looseness, particularly on the chassis, drivetrain components, steering and suspension. Retighten, if required, to torque values specified in the Service Manual. Also check for accumulations of vegeta- tion or brush that could become a fire hazard, or conceal damage to fuel lines, brake hoses, axle pinion seals, and propeller shafts. Check air conditioning drain tube on the lower dash wall in the engine compartment for mud or debris, and clean as required. A plugged tube will adversely affect air conditioning performance.

CAUTION!

Under frequent heavy-duty driving conditions, change all lubricants, and lubricate body compo- nents and steering linkage more often than in nor- mal service to prevent excessive wear.

286 MAINTAINING YOUR VEHICLE

FUSE PANEL

Interior Fuses The fuse panel is located behind the glove box.

To access the fuse panel the glove box must be removed. It is removed by slipping the glove box strap off the hook and letting the door roll down off its hinges. To reinstall, position the glove box door at an 8 o’clock orientation, engage the hinge hook formations on the lower edge of the glove box door with the hinge pins on the lower edge of the instrument panel. Tilt the upper edge of the glove box door upward toward the instrument panel enough to reattach the glove box strap to the door. Rotate glove box door to closed position. Open and close to insure proper installation.

Fuse Panel

Cavity

Fuse

Description

Cavity

Fuse

Description

MAINTAINING YOUR VEHICLE 287

10
11

Subwoofer System

Park Lights, Skim (Sentry Key) Stop Lights

20 Amp Yel- low 20 Amp Yel- low 20 Amp Yel- low 10 Amp Red Door Switch Defeat 10 Amp Red Airbag 20 Amp Yel- low 10 Amp Red Back-Up Lights, Rear Win- dow Defroster Relay, ABS

Rear Wiper

10 Amp Red HEVAC 10 Amp Red Airbag 10 Amp Red Instrument Cluster 10 Amp Red Solenoids, DRL

12

13
14
15

16

17

18

19

20

10 Amp Red Power Distribution Relays,

Skim (Sentry Key)

10 Amp Red Turn Signals 10 Amp Red Radio 10 Amp Red HBL (Rear Window De-

froster) Switch

10 Amp Red Headlamp Aim (Export

Only) Front Wiper

25 Amp Natural 20 Amp Yel- low 20 Amp Yel- low 20 Amp Yel- low

Cigar Lighter

Spare

Spare

288 MAINTAINING YOUR VEHICLE

Underhood Fuses (Power Distribution Center) Your vehicle is equipped with an electrical power distri- bution center located in the engine compartment near the battery. This power center houses plug-in “Cartridge” fuses, ISO relays, and Mini (Micro) fuses.

A label inside the latching cover of the center identifies each component for ease of replacement, if necessary. Cartridge and mini (micro) fuses can be obtained from your authorized dealer. Cavity Fuse/Color

40 Amp Green HEVAC 40 Amp Green HBL (Rear Window De-

Description

10
11
12

Power Distribution Center

Starter

froster) Exterior Lighting 40 Amp Green 40 Amp Green Radiator Fan 20 Amp Yellow Transmission 30 Amp Pink Open 40 Amp Green 20 Amp Yellow ASD 40 Amp Green HD/LP Open 30 Amp Pink

IOD Storage ABS Valve

ABS Motor

IOD

Description Accessories

Cavity Fuse/Color 13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

40 Amp Green Open 50 Amp Red Open 20 Amp Yellow Power 20 Amp Yellow Horn 20 Amp Yellow Fog Lights 15 Amp Lt. Blue Radio 10 Amp Red 25 Amp Natural 20 Amp Yellow Fuel 20 Amp Yellow Off Road Open 10 Amp Red 20 Amp Yellow MFSW 10 Amp Red

Accessories

A/C Clutch Ignition Switch

Clutch Override

Cavity Fuse/Color 29
30
31
32
33
34
35
36
37
38

Relay Relay Relay Relay Relay Open Relay Relay Relay Relay

39

40

Relay

Relay

MAINTAINING YOUR VEHICLE 289

Description ASD A/C Clutch Transmission Starter ABS

Fog Lamp Horn Fuel Pump HBL (Rear Window De- froster) Front Differential Locker (Rubicon) or High Speed Fan (2.4L Engines) Rear Differential Locker (Rubicon) or Low Speed Fan (2.4L Engines)

290 MAINTAINING YOUR VEHICLE

Center labeled Ignition-Off Draw (IOD).

Center location #11 labeled “IOD Storage.”

VEHICLE STORAGE If you are leaving your vehicle dormant for more than 21
days you may want to take steps to protect your battery. You may: • Remove Cartridge fuse #15 in the Power Distribution • Store the removed IOD fuse in the Power Distribution • Or, disconnect the negative cable from the battery. • Anytime you store your vehicle, or keep it out of service (i.e. vacation) for two weeks or more, run the air conditioning system at idle for about five minutes in the fresh air and high blower setting. This will insure adequate system lubrication to minimize the possibility of compressor damage when the system is started again.

REPLACEMENT BULBS — IF EQUIPPED

Interior Lights Bulb Type Auto. Trans. Indicator Light . . . . . . . . . . . . . . . . . 658
Courtesy Lights, Under Dash (1). . . . . . . . . . . . . . 906
Heater Control Lights (2) . . . . . . . . . . . . . . . . . . . 194
Rocker Switch Indicator Light (Rear Window Defogger, and Rear Wash/Wipe). . . . ** Soundbar Dome Light . . . . . . . . . . . . . . . . . . . . . 912
** Bulbs only available from authorized dealer.

Instrument Cluster Bulb Type Telltale (High Beam) . . . . . . . . . . . . . . . . . . . . . . . 74
Illumination . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Exterior Lights Bulb Type Backup Lights (2). . . . . . . . . . . . . . . . . . . . . . . . 1156
Center High Mounted Stop Light (1) . . . . 921 or W16W

Fog Lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H3
Front Park/Turn Lights (2) . . . . . . . . . . . . . . . . . 3157
Front Side Marker Lights (2) . . . . . . . . . . 168 or W3W Headlights (2) . . . . . . . . . . . . . . . . . . . . . . H 6024BL Stop/Tail/Turn Lights (2) . . . . . . . . . . . . . . . . . . 1157
Underhood Light. . . . . . . . . . . . . . . . . . . . . . . . . 561
License Light. . . . . . . . . . . . . . . . . . . . . . . . . . . 1157
NOTE: Numbers refer to commercial bulb types that can be purchased from your local authorized dealer. If a bulb needs to be replaced, visit your authorized dealer or refer to the applicable Service Manual.

BULB REPLACEMENT

Head Light

1. Remove headlight bezel screws as shown.

MAINTAINING YOUR VEHICLE 291

2. Remove the headlight bezel. 3. Remove the screws for the headlight retaining ring, then remove ring.

292 MAINTAINING YOUR VEHICLE

4. Remove and replace the lamp.

Front Park/Turn Signal

1. Reach under the front fender and locate the front park/turn signal socket.

2. Turn the socket assembly counter–clockwise 1/3 turn and remove it from the housing. Pull the bulb straight from the socket to replace. Front Side Marker

1. Reach under the front fender and locate the front side marker socket. 2. Turn the socket assembly counter–clockwise 1/3 turn and remove it from the housing. Pull the bulb straight from the socket to replace. Front Fog Light

1. Remove the three screws that attach the lamp bezel to the lamp housing. 2. Separate the reflector from the light housing.

3. Squeeze the bulb/element spring retainer from the reflector.

CAUTION!

MAINTAINING YOUR VEHICLE 293

Do not touch the new bulb with your fingers. Oil contamination will severely shorten bulb life. If the bulb comes in contact with any oily surface, clean the bulb with rubbing alcohol.

4. Disconnect the electrical connector.

294 MAINTAINING YOUR VEHICLE

Rear Tail, Stop, Turn Signal, and Back-Up Lights

1. Remove the screws attaching the lens to the tailight housing.

Center High Mounted Stop Light (CHMSL) The stop lamp is mounted on a bracket that extends upward from the tailgate. Remove the two screws hold- ing the lens in place. Take the lens off and pull the bulb from the socket.

2. Separate the lens from the housing. 3. Push the bulb in, turn it counter-clockwise 1/3 turn, then remove it from the housing, and replace.

FLUID CAPACITIES

Fuel (Approximate) Engine Oil with Filter

2.4 Liter Engine (SAE 5W-30, API Certified Engine Oil) 4.0 Liter Engine (SAE 10W-30, API Certified Engine Oil)

Cooling System * 2.4 Liter Engine (Mopar威 Antifreeze/Engine Coolant 5 Year/

100,000 Mile Formula)

4.0 Liter Engine (Mopar威 Antifreeze/Engine Coolant 5 Year/

100,000 Mile Formula)

* Includes heater and coolant recovery bottle filled to MAX level.

MAINTAINING YOUR VEHICLE 295

U.S.

19 Gallons

5 Qts 6 Qts

9 Qts

10.5 Qts

Metric

71.9 Liters

4.7 Liters 5.7 Liters

8.5 Liters

9.9 Liters

296 MAINTAINING YOUR VEHICLE

RECOMMENDED FLUIDS, LUBRICANTS AND GENUINE PARTS Engine Component Engine Coolant

Engine Oil

Spark Plugs

Oil Filter (2.4L Engine) Oil Filter (4.0L Engine) Fuel Selection

Fluid, Lubricant, or Genuine Part Mopar威 Antifreeze/Coolant 5 Year/100,000 Mile Formula HOAT (Hybrid Or- ganic Additive Technology) API Certified SAE 5W-30 Engine Oil is recommended for the 2.4L engine. API Certified SAE 10W-30 Engine Oil is recommended for the 4.0L engine. Meets the requirements of DaimlerChrysler Material Standard MS-6395. Refer to the Vehicle Emission Control Information label in the engine compart- ment. Mopar威 Oil Filter (P/N 4105409) Mopar威 Oil Filter (P/N 05281090) 87 Octane

Chassis Component Automatic Transmission Manual Transmission

Transfer Case Axle Differential (Front)

Axle Differential (Rear)

MAINTAINING YOUR VEHICLE 297

Fluid, Lubricant, or Genuine Part Mopar威 ATF+4 Automatic Transmission Fluid or equivalent. Mopar威 Manual Transmission Lubricant or equivalent (meeting the require- ments of DaimlerChrysler Material Standard MS-9224) Mopar威 ATF+4 Automatic Transmission Fluid or equivalent. Mopar威 Gear & Axle Lubricant (SAE 80W-90) (API GL-5) or equivalent. For trailer towing, use Mopar威 Synthetic Gear & Axle Lubricant (SAE 75W-140) or equivalent. 194 RBI (Model 35) and 216 RBI (Model 44) - Mopar威 Gear & Axle Lubri- cant (SAE 80W-90) (API GL-5) or equivalent. For trailer towing, use Mopar威 Synthetic Gear & Axle Lubricant (SAE 75W-140) or equivalent. Models equipped with Trac-Lok require an additive. 194 RBI (Model 35) 4.56 Ratio (2.4L Engine with 42RLE Automatic Transmission) and Rubicon 216 RBI (Model 44) - Mopar威 Synthetic Gear & Axle Lubricant (SAE 75W-140) or equivalent. Models equipped with Trac-Lok require an additive.

298 MAINTAINING YOUR VEHICLE

Component Brake Master Cylinder

Power Steering Reservoir Steering Gear & Linkage, Ball Joints, Prop Shafts & Yokes, Wheel Bearings

Fluid, Lubricant, or Genuine Part Mopar威 DOT 3 Brake Fluid, SAE J1703 should be used. If DOT 3, SAE J1703
brake fluid is not available, then DOT 4 is acceptable. Use only recom- mended brake fluids. Mopar威 ATF+4 Automatic Transmission Fluid or equivalent. Mopar威 Multi-Purpose Grease NLGI Grade 2 EP, GC-LB or equivalent.

MAINTENANCE SCHEDULES

CONTENTS

䡵 Emission Control System Maintenance . . . . . . . . 300
䡵 Maintenance Schedules . . . . . . . . . . . . . . . . . . . 300

▫ Schedule “B” . . . . . . . . . . . . . . . . . . . . . . . . 303
▫ Schedule “A” . . . . . . . . . . . . . . . . . . . . . . . . 314

M

300 MAINTENANCE SCHEDULES

EMISSION CONTROL SYSTEM MAINTENANCE The “Scheduled” maintenance services, listed in bold type must be done at the times or mileages specified to assure the continued proper functioning of the emission control system. These, and all other maintenance services included in this manual, should be done to provide best vehicle performance and reliability. More frequent main- tenance may be needed for vehicles in severe operating conditions such as dusty areas and very short trip driving. Inspection and service also should be done any time a malfunction is suspected. NOTE: Maintenance, replacement, or repair of the emis- sion control devices and systems on your vehicle may be performed by any automotive repair establishment or individual using any automotive part which has been certified pursuant to U.S. EPA or, in the State of Califor- nia, California Air Resources Board regulations.

MAINTENANCE SCHEDULES There are two maintenance schedules that show the required service for your vehicle. First is Schedule ⴖBⴖ. It is for vehicles that are operated under the conditions that are listed below and at the beginning of the schedule. • Day or night temperatures are below 32°F (0°C) • Stop and go driving • Excessive engine idling • Driving in dusty conditions • Short trips of less than 10 miles (16.2 km) • More than 50% of your driving is at sustained high • Trailer towing • Taxi, police, or delivery service (commercial service)

speeds during hot weather, above 90°F (32°C)

• Off-road or desert driving • If equipped for and operated with E-85 (ethanol)

fuel.

If ANY of these apply to you then change your NOTE: engine oil every 3,000 miles (5 000 km) or 3 months, whichever comes first and follow “Schedule B” of the “Maintenance Schedules” section of this manual. If ANY of these apply to you then flush and NOTE: replace your engine coolant/anti-freeze every 102,000
miles (163 000 km) or 60 months, whichever comes first, and follow “Schedule B” of the “Maintenance Schedules” section of this manual. NOTE: Most vehicles are operated under the conditions listed for Schedule “B.” Second is Schedule “A”. It is for vehicles that are not operated under any of the conditions listed under Sched- ule “B.”

MAINTENANCE SCHEDULES 301

Use the schedule that best describes your driving condi- tions. Where time and mileage are listed, follow the interval that occurs first.

CAUTION!

Failure to perform the required maintenance items may result in damage to the vehicle.

At Each Stop for Fuel • Check the engine oil level about 5 minutes after a fully warmed engine is shut off. Checking the oil level while the vehicle is on level ground will improve the accu- racy of the oil level reading. Add oil only when the level is at or below the ADD or MIN mark. • Check the windshield washer solvent, add as required.

M

302 MAINTENANCE SCHEDULES

damage.

Once a Month • Check the tire pressure and look for unusual wear or • Inspect the battery and clean and tighten the terminals • Check the fluid levels of the coolant reservoir, brake master cylinder, and transmission, and add as needed. • Check all lights and all other electrical items for correct

as required.

operation.

At Each Oil Change • Change the engine oil filter. • Inspect the exhaust system.

• Inspect brake hoses. • Check the coolant level, hoses, and clamps. • Inspect manual transmission fluid level — if • After completion of off-road operation, the underside of the vehicle should be thoroughly inspected. Exam- ine threaded fasteners for looseness.

equipped.

Schedule “B” Follow this schedule if you usually operate your vehicle under one or more of the following conditions. • Day or night temperatures are below 32°F (0°C) • Stop and go driving • Excessive engine idling • Driving in dusty conditions • Short trips of less than 10 miles (16.2 km) • More than 50% of your driving is at sustained high • Trailer towing • Taxi, police, or delivery service (commercial service)

speeds during hot weather, above 90°F (32°C)

• Off-road or desert driving • If equipped for and operated with E-85 (ethanol)

SCHEDULE “B” 303

fuel.

If ANY of these apply to you then change your NOTE: engine oil every 3,000 miles (5 000 km) or 3 months, whichever comes first and follow “Schedule B” of the “Maintenance Schedules” section of this manual. If ANY of these apply to you then flush and NOTE: replace your engine coolant/anti-freeze every 102,000
miles (163 000 km) or 60 months, whichever comes first, and follow “Schedule B” of the “Maintenance Schedules” section of this manual.

304 SCHEDULE “B”

Miles (Kilometers) Change the engine oil and engine oil filter, if not replaced at 3 months. Rotate the tires. Inspect the engine air filter element, replace if necessary. Lubricate the steering linkage tie rod ends. Lubricate the steering and suspension ball joints. Inspect the brake linings. Drain and refill the front and rear axle fluid‡

3,000
(5 000)

6,000
(10 000)

9,000
(14 000)

12,000
(19 000)

15,000
(24 000)

Miles (Kilometers) Change the engine oil and engine oil filter, if not replaced at 3 months. Rotate the tires. Inspect the engine air filter element, replace if necessary. Inspect the PCV Valve, and replace if necessary.〫 Replace the spark plugs. Lubricate the steering linkage tie rod ends. Lubricate the steering and suspension ball joints. Inspect the brake linings. Drain and refill the front and rear axle fluid‡ Inspect the transfer case fluid, add if necessary.

18,000
(29 000)

21,000
(34 000)

SCHEDULE “B” 305

27,000
(43 000)

24,000
(38 000)

30,000
(48 000)

306 SCHEDULE “B”

Miles (Kilometers) Change the engine oil and engine oil filter, if not replaced at 3 months. Rotate the tires. Inspect the engine air filter element, replace if necessary. Lubricate the steering linkage tie rod ends. Lubricate the steering and suspension ball joints. Inspect the brake linings. Drain and refill the front and rear axle fluid‡ Inspect the drive belt and replace as needed.

33,000
(53 000)

36,000
(58 000)

39,000
(62 000)

42,000
(67 000)

45,000
(72 000)

Miles (Kilometers) Change the engine oil and engine oil filter, if not replaced at 3 months. Rotate the tires. Inspect the engine air filter element, replace if necessary. Inspect the PCV Valve, and replace if necessary.〫 Inspect the ignition cables, and replace if neces- sary (2.4L Only). Replace the spark plugs. Lubricate the steering linkage tie rod ends. Lubricate the steering and suspension ball joints. Inspect the brake linings. Drain and refill the front and rear axle fluid‡ Drain and refill the automatic transmission fluid, and change filter.†

48,000
(77 000)

SCHEDULE “B” 307

51,000
(82 000)

54,000
(86 000)

57,000
(91 000)

60,000
(96 000)

308 SCHEDULE “B”

Miles (Kilometers) Inspect the drive belt and replace as needed. Not required if belt was previously. Drain and refill the transfer case fluid. Flush and replace the engine coolant/anti-freeze at 60 months, if not done at 102,000 miles (163 000
km).

48,000
(77 000)

51,000
(82 000)

54,000
(86 000)

57,000
(91 000)

60,000
(96 000)

Miles (Kilometers) Change the engine oil and engine oil filter, if not replaced at 3 months. Rotate the tires. Inspect the engine air filter element, replace if necessary. Lubricate the steering linkage tie rod ends. Lubricate the steering and suspension ball joints. Inspect the brake linings. Drain and refill the front and rear axle fluid‡ Inspect the drive belt and replace as needed. Not required if belt was previously replaced.

63,000
(101 000)

66,000
(106 000)

69,000
(110 000)

72,000
(115 000)

75,000
(120 000)

SCHEDULE “B” 309

M

310 SCHEDULE “B”

Miles (Kilometers) Change the engine oil and engine oil filter, if not replaced at 3 months. Rotate the tires. Inspect the engine air filter element, replace if necessary. Inspect the PCV Valve, and replace if necessary.〫 Replace the spark plugs. Lubricate the steering linkage tie rod ends. Lubricate the steering and suspension ball joints. Replace the timing belt (2.4L Only)〫. Inspect the brake linings. Drain and refill the front and rear axle fluid‡ Inspect the drive belt and replace as needed. Not required if belt was previously replaced. Inspect the transfer case fluid, add if necessary.

78,000
(125 000)

81,000
(130 000)

84,000
(134 000)

87,000
(139 000)

90,000
(144 000)

Miles (Kilometers) Change the engine oil and engine oil filter, if not replaced at 3 months. Rotate the tires. Inspect the engine air filter element, replace if necessary. Lubricate the steering linkage tie rod ends. Lubricate the steering and suspension ball joints. Inspect the brake linings. Drain and refill the front and rear axle fluid‡ Inspect the drive belt and replace as needed. Not required if belt was previously replaced. Flush and replace the engine coolant/anti-freeze, if not done at 60 months.

93,000
(149 000)

96,000
(154 000)

99,000
(158 000)

102,000
(163 000)

105,000
(168 000)

SCHEDULE “B” 311

M

312 SCHEDULE “B”

Miles (Kilometers) Change the engine oil and engine oil filter, if not replaced at 3 months. Rotate the tires. Inspect the engine air filter element, replace if necessary. Inspect the PCV Valve, and replace if necessary.〫 Replace the spark plugs. Inspect the ignition cables, and replace if neces- sary (2.4L Only). Lubricate the steering linkage tie rod ends. Lubricate the steering and suspension ball joints. Inspect the brake linings. Drain and refill the front and rear axle fluid‡ Drain and refill the automatic transmission fluid, and replace main sump filter.†

108,000
(173 000)

111,000
(178 000)

114,000
(182 000)

117,000
(187 000)

120,000
(192 000)

Miles (Kilometers) Inspect the drive belt and replace as needed. Not required if belt was previously replaced. Drain and refill the transfer case fluid. Flush and replace the engine coolant/anti-freeze at 120 months, if not replaced at 102,000 miles (163
000 km). Inspection and service should also be performed anytime a malfunction is observed or suspected. Retain all re- ceipts. † Applies only if vehicle is used for frequent trailer towing or fleet/commercial service. 〫 This maintenance is recommended by the manufac- turer to the owner, but is not required to maintain emissions warranty.

108,000
(173 000)

SCHEDULE “B” 313

111,000
(178 000)

114,000
(182 000)

117,000
(187 000)

120,000
(192 000)

‡Off-highway operation, trailer towing, taxi, limousine, bus, snow plowing, or other types of commercial service or prolonged operation with heavy loading, especially in hot weather, require front and rear axle service indicated with a ‡ in Schedule “B”. Perform these services if the vehicle is usually operated under these conditions.

M

314 SCHEDULE “A”

Schedule “A” Miles (Kilometers) [Months] Change the engine oil and engine oil filter. Rotate the tires. Inspect the engine air filter element, and replace if necessary. Replace the spark plugs. Lubricate the steering linkage joints and outer tie rod ends. Lubricate the steering and suspension ball joints. Inspect the brake linings. Inspect the transfer case fluid.

6,000
(10 000)

12,000
(19 000)

18,000
(29 000)

24,000
(38 000)