TSC feature. Trailer sway is
unintended side-to-side motion of a
trailer while being towed. If the
vehicle is towing a trailer and the
TSC detects that sway is increasing,
the vehicle brakes are selectively
applied at each wheel, to help
reduce excessive trailer sway. If the
vehicle is equipped with the
Integrated Trailer Brake Control
(ITBC) system, and the trailer has
the electric actuated brake system,
StabiliTrak may also apply the trailer
brakes.
If TSC is enabled, the Traction
Control System (TCS)/StabiliTrak
warning light will flash on the
instrument cluster. Vehicle speed
must be reduced. If trailer sway
continues, StabiliTrak can reduce
engine torque to help slow the
vehicle. See Traction Control/
Electronic Stability Control 0 231
ii
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Driving and Operating
{ Warning
Even if the vehicle is equipped
with TSC, trailer sway could result
in loss of control and the vehicle
could crash. If excessive trailer
sway is detected, slow down to a
safe speed. Check the trailer and
vehicle to help correct possible
causes. These could include an
improperly or overloaded trailer,
unrestrained cargo, improper
trailer hitch configuration,
excessive vehicle-trailer speed,
or improperly inflated or incorrect
vehicle or trailer tires. See Towing
Equipment 0 251
ratings and hitch setup
recommendations.
for trailer
ii
Adding non-dealer accessories can
affect the vehicle performance. See
Accessories and Modifications
0 257
ii
Conversions and Add-Ons
Add-On Electrical Equipment
{ Warning
The Data Link Connector
(DLC) is used for vehicle service
and Emission Inspection/
Maintenance testing. See
Malfunction Indicator Lamp
(Check Engine Light) 0 114
A device connected to the DLC —
such as an aftermarket fleet or
driver-behavior tracking device —
may interfere with vehicle
systems. This could affect vehicle
operation and cause a crash.
Such devices may also access
information stored in the vehicle’s
systems.
ii
Caution
Some electrical equipment can damage the vehicle or cause components to not work and would not be covered by the vehicle warranty. Always check with your dealer before adding electrical equipment.
Add-on equipment can drain the
vehicle's 12-volt battery, even if the
vehicle is not operating.
The vehicle has an airbag system.
Before attempting to add anything
electrical to the vehicle, see
Servicing the Airbag-Equipped
Vehicle 0 66
to the Airbag-Equipped Vehicle
0 66
and Adding Equipment
ii
ii
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Vehicle Care
General Information
General Information . . . . . . . . . . 256
California Proposition
65 Warning . . . . . . . . . . . . . . . . . 256
California Perchlorate
Materials Requirements . . . . . 256
Accessories and
Modifications . . . . . . . . . . . . . . . . 257
Vehicle Checks Doing Your Own
Service Work . . . . . . . . . . . . . . . 257
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 258
Engine Compartment
Overview . . . . . . . . . . . . . . . . . . . . 259
Engine Oil . . . . . . . . . . . . . . . . . . . . 262
Engine Oil Life System . . . . . . . 264
Automatic Transmission
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 265
Manual Transmission Fluid . . . 266
Hydraulic Clutch . . . . . . . . . . . . . . 266
Engine Air Cleaner/Filter . . . . . . 266
Cooling System . . . . . . . . . . . . . . 268
Engine Coolant . . . . . . . . . . . . . . . 269
Engine Overheating . . . . . . . . . . 271
Engine Fan . . . . . . . . . . . . . . . . . . . 273
Washer Fluid . . . . . . . . . . . . . . . . . 273
Brakes . . . . . . . . . . . . . . . . . . . . . . . 274
Brake Fluid . . . . . . . . . . . . . . . . . . . 275
Battery - North America . . . . . . 276
Four-Wheel Drive . . . . . . . . . . . . . 276
Front Axle . . . . . . . . . . . . . . . . . . . . 277
Rear Axle . . . . . . . . . . . . . . . . . . . . 278
Starter Switch Check . . . . . . . . . 278
Automatic Transmission Shift
Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 279
Ignition Transmission Lock
Check . . . . . . . . . . . . . . . . . . . . . . . 279
Park Brake and P (Park)
Mechanism Check . . . . . . . . . . 280
Wiper Blade Replacement . . . . 280
Headlamp Aiming
Headlamp Aiming . . . . . . . . . . . . 281
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 281
Halogen Bulbs . . . . . . . . . . . . . . . . 281
Headlamps, Front Turn Signal,
Sidemarker, and Parking
Lamps . . . . . . . . . . . . . . . . . . . . . . 282
Taillamps, Turn Signal,
Stoplamps, and Back-Up
Lamps . . . . . . . . . . . . . . . . . . . . . . 282
Center High-Mounted
Stoplamp (CHMSL) and
Cargo Lamp . . . . . . . . . . . . . . . . . 283
Replacement Bulbs . . . . . . . . . . . 284
Vehicle Care
255
Electrical System
Electrical System Overload . . . 284
Fuses . . . . . . . . . . . . . . . . . . . . . . . . 285
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 285
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 289
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 292
All-Season Tires . . . . . . . . . . . . . . 293
Winter Tires . . . . . . . . . . . . . . . . . . 293
All-Terrain Tires . . . . . . . . . . . . . . . 294
Tire Sidewall Labeling . . . . . . . . 294
Tire Designations . . . . . . . . . . . . . 296
Tire Terminology and
Definitions . . . . . . . . . . . . . . . . . . 297
Tire Pressure . . . . . . . . . . . . . . . . . 299
Tire Pressure Monitor
System . . . . . . . . . . . . . . . . . . . . . . 300
Tire Pressure Monitor
Operation . . . . . . . . . . . . . . . . . . . 301
Tire Inspection . . . . . . . . . . . . . . . . 304
Tire Rotation . . . . . . . . . . . . . . . . . 305
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . 306
Buying New Tires . . . . . . . . . . . . . 307
Different Size Tires and
Wheels . . . . . . . . . . . . . . . . . . . . . . 308
Uniform Tire Quality
Grading . . . . . . . . . . . . . . . . . . . . . 309
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Vehicle Care
Wheel Alignment and Tire
Balance . . . . . . . . . . . . . . . . . . . . . 310
Wheel Replacement . . . . . . . . . . 310
Tire Chains . . . . . . . . . . . . . . . . . . . 311
If a Tire Goes Flat . . . . . . . . . . . . 312
Tire Changing . . . . . . . . . . . . . . . . 313
Compact Spare Tire . . . . . . . . . . 322
Full-Size Spare Tire . . . . . . . . . . 323
Jump Starting
Jump Starting - North
America . . . . . . . . . . . . . . . . . . . . . 324
Towing the Vehicle
Towing the Vehicle . . . . . . . . . . . 326
Recreational Vehicle
Towing . . . . . . . . . . . . . . . . . . . . . . 327
Appearance Care
Exterior Care . . . . . . . . . . . . . . . . . 331
Interior Care . . . . . . . . . . . . . . . . . . 336
Floor Mats . . . . . . . . . . . . . . . . . . . . 339
General Information For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks:
California Proposition 65 Warning WARNING: Most motor vehicles, including this one, contain and/or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive
harm. Engine exhaust, many parts
and systems, many fluids, and
some component wear by-products
contain and/or emit these
chemicals.
See Battery - North America 0 276
and Jump Starting - North America
0 324
ii
ii
California Perchlorate Materials Requirements Certain types of automotive applications, such as airbag initiators, safety belt pretensioners, and lithium batteries contained in Remote Keyless Entry transmitters, may contain perchlorate materials. Special handling may be necessary. For additional information, see www.dtsc.ca.gov/hazardouswaste/ perchlorate.
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Accessories and Modifications Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions systems, aerodynamics, durability, and electronic systems like antilock brakes, traction control, and stability control. These accessories or modifications could even cause malfunction or damage not covered by the vehicle warranty. Damage to suspension components caused by modifying vehicle height outside of factory settings will not be covered by the warranty.
Damage to vehicle components
resulting from modifications or the
installation or use of non-GM
certified parts, including control
module or software modifications, is
not covered under the terms of the
vehicle warranty and may affect
remaining warranty coverage for
affected parts.
GM Accessories are designed to
complement and function with other
systems on the vehicle. See your
dealer to accessorize the vehicle
using genuine GM Accessories
installed by a dealer technician.
Also, see Adding Equipment to the
Airbag-Equipped Vehicle 0 66
ii
Vehicle Care
257
Vehicle Checks
Doing Your Own Service Work
{ Warning
It can be dangerous to work on your vehicle if you do not have the proper knowledge, service manual, tools, or parts. Always follow owner manual procedures and consult the service manual for your vehicle before doing any service work.
If doing some of your own service
work, use the proper service
manual. It tells you much more
about how to service the vehicle
than this manual can. To order the
proper service manual, see Service
Publications Ordering Information
0 366
This vehicle has an airbag system.
Before attempting to do your own
service work, see Servicing the
Airbag-Equipped Vehicle 0 66
ii
ii
closed by lifting up on the front edge of the hood. Repeat the process if necessary.
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Vehicle Care
Keep a record with all parts receipts
and list the mileage and the date of
any service work performed. See
Maintenance Records 0 353
ii
Caution
Even small amounts of contamination can cause damage to vehicle systems. Do not allow contaminants to contact the fluids, reservoir caps, or dipsticks.
Hood To open the hood:
1. Pull the hood release lever with this symbol on it. It is inside the vehicle to the lower left of the steering wheel.
2. Go to the front of the vehicle to
find the secondary hood release handle. The handle is under the front edge of the hood near the center. Push the handle to the right and at the same time raise the hood.
To close the hood: 1. Before closing the hood, be
sure all the filler caps are properly installed.
2. Lower the hood to 20 cm (8 in) above the vehicle and release it so it fully latches. Check to make sure the hood is firmly
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Engine Compartment Overview
Vehicle Care
259
2.5L L4 Engine
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260
Vehicle Care
1. Coolant Surge Tank and
Pressure Cap. See Engine
Coolant 0 269
ii
2. Engine Air Cleaner/Filter
0 266
ii
3. Engine Oil Fill Cap. See
Engine Oil 0 262
ii
4. Engine Cooling Fan (Out of
View). See Cooling System
0 268
ii
5. Engine Oil Dipstick. See
Engine Oil 0 262
ii
6. Engine Compartment Fuse
Block 0 285
ii
7. Brake/Clutch Fluid Reservoir.
See Brake Fluid 0 275
Hydraulic Clutch 0 266
Equipped).
ii
ii
or (If
8. Windshield Washer Fluid
Reservoir. See Washer Fluid
0 273
ii
9. Battery - North America 0 276
ii
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Vehicle Care
261
3.6L V6 Engine
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Vehicle Care
1. Coolant Surge Tank and
Pressure Cap. See Engine
Coolant 0 269
ii
2. Engine Air Cleaner/Filter
0 266
ii
3. Engine Cooling Fan (Out of
View). See Cooling System
0 268
ii
4. Engine Oil Fill Cap. See
Engine Oil 0 262
ii
5. Engine Oil Dipstick. See
Engine Oil 0 262
ii
6. Engine Compartment Fuse
Block 0 285
ii
7. Brake Fluid Reservoir. See
Brake Fluid 0 275
ii
8. Windshield Washer Fluid
Reservoir. See Washer Fluid
0 273
ii
9. Battery - North America 0 276
ii
Engine Oil For diesel engine vehicles, see “Engine Oil” in the Duramax diesel supplement.
To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: . Use engine oil approved to the proper specification and of the proper viscosity grade. See “Selecting the Right Engine Oil” in this section.
. Check the engine oil level regularly and maintain the proper oil level. See “Checking Engine Oil” and “When to Add Engine Oil” in this section.
. Change the engine oil at the
appropriate time. See Engine Oil
Life System 0 264
ii
. Always dispose of engine oil
properly. See “What to Do with Used Oil” in this section.
Checking Engine Oil It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the vehicle must be on level ground. The engine oil dipstick handle is a yellow
for the location of
ii
loop. See Engine Compartment
Overview 0 259
the engine oil dipstick.
Obtaining an accurate oil level
reading is essential:
1.
If the engine has been running recently, turn off the engine and allow several minutes for the oil to drain back into the oil pan. Checking the oil level too soon after engine shutoff will not provide an accurate oil level reading.
2. Pull out the dipstick and wipe it
with a clean paper towel or cloth, then push it back in all the way. Remove it again, keeping the tip down, and check the level.
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When to Add Engine Oil
2.5L L4 Engine
3.6L V6 Engine
If the oil is below the cross-hatched
area at the tip of the dipstick, add
1 L (1 qt) of the recommended oil
and then recheck the level. See
“Selecting the Right Engine Oil” in
this section for an explanation of
what kind of oil to use. For engine
oil crankcase capacity, see
Capacities and Specifications
0 355
ii
Caution
Do not add too much oil. Oil levels above or below the acceptable operating range shown on the dipstick are harmful to the engine. If you find that you have an oil level above the operating range, i.e., the engine has so much oil that the oil level gets above the cross-hatched area that shows the proper operating range, the engine could be damaged. You should drain out the excess oil or limit driving of the vehicle and seek a service professional to remove the excess amount of oil.
ii
See Engine Compartment Overview
for the location of the engine
0 259
oil fill cap.
Add enough oil to put the level
somewhere in the proper operating
range. Push the dipstick all the way
back in when through.
Vehicle Care
263
Selecting the Right Engine Oil
Selecting the right engine oil
depends on both the proper oil
specification and viscosity grade.
See Recommended Fluids and
Lubricants 0 350
ii
Specification Ask for and use engine oils that meet the dexos1™ specification. Engine oils that have been approved by GM as meeting the dexos1 specification are marked with the dexos1 approved logo. See www.gmdexos.com.
Caution
Failure to use the recommended engine oil or equivalent can result in engine damage not covered by the vehicle warranty.
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Vehicle Care
Viscosity Grade
Use SAE 5W-30 viscosity grade
engine oil for the 3.6L V6 engine.
Use SAE 5W-20 viscosity grade
engine oil for the 2.5L L4 engine.
Cold Temperature Operation: In an
area of extreme cold, where the
temperature falls below −29 °C
(−20 °F), an SAE 0W-30 oil may be
used for the 3.6L V6 engine and
SAE 0W-20 viscosity grade engine
oil may be used for the 2.5L L4
engine. An oil of this viscosity grade
will provide easier cold starting for
the engine at extremely low
temperatures. When selecting an oil
of the appropriate viscosity grade, it
is recommended to select an oil of
the correct specification. See
“Specification” earlier in this section.
Engine Oil Additives/Engine
Oil Flushes
Do not add anything to the oil. The
recommended oils meeting the
dexos1 specification are all that is
needed for good performance and
engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty. What to Do with Used Oil Used engine oil contains certain elements that can be unhealthy for your skin and could even cause cancer. Do not let used oil stay on your skin for very long. Clean your skin and nails with soap and water, or a good hand cleaner. Wash or properly dispose of clothing or rags containing used engine oil. See the manufacturer's warnings about the use and disposal of oil products. Used oil can be a threat to the environment. If you change your own oil, be sure to drain all the oil from the filter before disposal. Never dispose of oil by putting it in the trash or pouring it on the ground, into sewers, or into streams or bodies of water. Recycle it by taking it to a place that collects used oil.
Engine Oil Life System
When to Change Engine Oil
This vehicle has a computer system
that indicates when to change the
engine oil and filter. This is based
on a combination of factors which
include engine revolutions, engine
temperature, and miles driven.
Based on driving conditions, the
mileage at which an oil change is
indicated can vary considerably. For
the oil life system to work properly,
the system must be reset every time
the oil is changed.
On some vehicles, when the system
has calculated that oil life has been
diminished, a CHANGE ENGINE
OIL SOON message comes on to
indicate that an oil change is
necessary. See Engine Oil
Messages 0 130
soon as possible within the next
1 000 km (600 mi). It is possible that,
if driving under the best conditions,
the oil life system might indicate that
an oil change is not necessary for
up to a year. The engine oil and
filter must be changed at least once
a year and, at this time, the system
. Change the oil as
ii
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must be reset. For vehicles without the CHANGE ENGINE OIL SOON message, an oil change is needed when the OIL LIFE REMAINING percentage is near 0%. Your dealer has trained service people who will perform this work and reset the system. It is also important to check the oil regularly over the course of an oil drain interval and keep it at the proper level. If the system is ever reset accidentally, the oil must be changed at 5 000 km (3,000 mi) since the last oil change. Remember to reset the oil life system whenever the oil is changed. How to Reset the Engine Oil Life System Reset the system whenever the engine oil is changed so that the system can calculate the next engine oil change. Always reset the engine oil life to 100% after every oil change. It will not reset itself. To reset the engine oil life system:
1. Display OIL LIFE REMAINING
ii
or Driver
on the DIC. See Driver
Information Center (DIC) (Base
Level) 0 122
Information Center (DIC)
(Uplevel) 0 125
does not have DIC buttons, the
vehicle must be in P (Park) to
access this display.
. If the vehicle
ii
2. Press and hold the V button on
the DIC, or the SET/CLR button on the turn signal lever if the vehicle does not have DIC buttons, for several seconds. The oil life will change to 100%.
The oil life system can also be reset as follows: 1. Turn the ignition to ON/RUN
with the engine off.
2. Fully press the accelerator
pedal slowly three times within five seconds.
3. Display OIL LIFE REMAINING
on the DIC. If the display shows 100%, the system is reset.
Vehicle Care
265
If the vehicle has a CHANGE ENGINE OIL SOON message and it comes back on when the vehicle is started and/or the OIL LIFE REMAINING is near 0%, the engine oil life system has not been reset. Repeat the procedure.
Automatic Transmission Fluid
How to Check Automatic Transmission Fluid It is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to your dealer and have it repaired as soon as possible. There is a special procedure for checking and changing the transmission fluid. Because this procedure is difficult, this should be done at your dealer. Contact your dealer for additional information or the procedure can be found in the service manual. To purchase a
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Vehicle Care
ii
service manual, see Service
Publications Ordering Information
0 366
Change the fluid and filter at the
intervals listed in Maintenance
Schedule 0 341
the fluid listed in Recommended
Fluids and Lubricants 0 350
ii
, and be sure to use
ii
Manual Transmission Fluid
How to Check Manual
Transmission Fluid
It is not necessary to check the
manual transmission fluid level.
A transmission fluid leak is the only
reason for fluid loss. If a leak
occurs, take the vehicle to your
dealer and have it repaired as soon
as possible. See Recommended
Fluids and Lubricants 0 350
proper fluid to use.
for the
ii
Hydraulic Clutch For vehicles with a manual transmission, it is not necessary to regularly check brake/clutch fluid unless there is a leak suspected.
Adding fluid will not correct a leak. A fluid loss in this system could indicate a problem. Have the system inspected and repaired. When to Check and What to Use
for reservoir
The brake/hydraulic clutch fluid
reservoir cap has this symbol on it.
The common brake/clutch fluid
reservoir is filled with DOT 3 brake
fluid as indicated on the reservoir
cap. See Engine Compartment
Overview 0 259
location.
How to Check and Add Fluid
Visually check the brake/clutch fluid
reservoir to make sure the fluid level
is at the MIN (minimum) line on the
front of the reservoir. The brake/
hydraulic clutch fluid system should
be closed and sealed.
ii
Do not remove the cap to check the fluid level or to top-off the fluid level. Remove the cap only when necessary to add the proper fluid until the level reaches the MIN line.
ii
Engine Air Cleaner/Filter
The engine air cleaner/filter is in the
engine compartment on the
passenger side of the vehicle. See
Engine Compartment Overview
0 259
When to Inspect the Engine Air
Cleaner/Filter
For intervals on changing and
inspecting the engine air cleaner/
filter, see Maintenance Schedule
0 341
How to Inspect the Engine Air
Cleaner/Filter
Do not start the engine or have the
engine running with the engine air
cleaner/filter housing open. Before
removing the engine air cleaner/
filter, make sure that the engine air
cleaner/filter housing and nearby
components are free of dirt and
debris. Remove the engine air
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Vehicle Care
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cleaner/filter. Lightly tap and shake the engine air cleaner/filter (away from the vehicle), to release loose dust and dirt. Inspect the engine air cleaner/filter for damage, and replace if damaged. Do not clean the engine air cleaner/filter or components with water or compressed air. To inspect or replace the air cleaner/ filter:
To inspect or replace the engine air cleaner/filter: 1. Remove the screws (1) on top of the engine air cleaner/filter housing.
2. Disconnect the electrical
connector (2).
3. Disconnect the outlet duct by
loosening the air duct clamp (3).
4. Lift the filter cover housing
away from the engine air cleaner/filter housing.
5. Pull out the filter. 6.
Inspect or replace the engine air cleaner/filter.
7. Reverse Steps 2-5 to reinstall
the filter cover housing.
2.5L L4 Gas Engine Shown, 2.8L
L4 Diesel Engine Similar
1. Screws 2. Electrical Connector 3. Air Duct Clamp
3.6L V6 Engine
1. Screws 2. Electrical Connector 3. Air Duct Clamp
To inspect or replace the engine air cleaner/filter: 1. Remove the screws (1) on top of the engine air cleaner/filter housing.
2. Disconnect the electrical
connector (2).
3. Disconnect the outlet duct by
loosening the air duct clamp (3).
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Vehicle Care
4. Lift the filter cover housing
away from the engine air cleaner/filter housing.
5. Pull out the filter. 6.
Inspect or replace the engine air cleaner/filter.
7. Reverse Steps 2-5 to reinstall
the filter cover housing.
{ Warning
Operating the engine with the air cleaner/filter off can cause you or others to be burned. The air cleaner not only cleans the air; it helps to stop flames if the engine backfires. Use caution when working on the engine and do not drive with the air cleaner/filter off.
Caution
If the air cleaner/filter is off, dirt can easily get into the engine, which could damage it. Always have the air cleaner/filter in place when you are driving.
Cooling System The cooling system allows the engine to maintain the correct working temperature.
2.5L L4 Gas Engine Shown, 2.8L
L4 Diesel Engine Similar
1. Coolant Surge Tank and
Pressure Cap
2. Engine Cooling Fan (Out
of View)
3.6L V6 Engine
1. Coolant Surge Tank and
Pressure Cap
2. Engine Cooling Fan (Out
of View)
{ Warning
An electric engine cooling fan under the hood can start up even when the engine is not running and can cause injury. Keep hands, clothing, and tools away from any underhood electric fan.
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{ Warning
Heater and radiator hoses, and other engine parts, can be very hot. Do not touch them. If you do, you can be burned. Do not run the engine if there is a leak. If you run the engine, it could lose all coolant. That could cause an engine fire, and you could be burned. Get any leak fixed before you drive the vehicle.
Caution
Using coolant other than DEX-COOL® can cause premature engine, heater core, or radiator corrosion. In addition, the engine coolant could require changing sooner. Any repairs would not be covered by the vehicle warranty. Always use DEX-COOL (silicate-free) coolant in the vehicle.
Engine Coolant
The cooling system in the vehicle is
filled with DEX-COOL® engine
coolant mixture. See Recommended
Fluids and Lubricants 0 350
Maintenance Schedule 0 341
The following explains the cooling
system and how to check and add
coolant when it is low. If there is a
problem with engine overheating,
see Engine Overheating 0 271
What to Use
and
ii
ii
ii
{ Warning
Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning system is set for the proper coolant mixture. With plain water or the wrong mixture, the engine could get too hot but you would not get the overheat warning. The engine
(Continued)
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Warning (Continued)
could catch fire and you or others could be burned. Use a 50/ 50 mixture of clean, drinkable water and DEX-COOL coolant.
Use a 50/50 mixture of clean, drinkable water and DEX-COOL coolant. If using this mixture, nothing else needs to be added. This mixture: . Gives freezing protection down
to −37 °C (−34 °F) outside temperature.
. Gives boiling protection up to
129 °C (265 °F) engine temperature.
. Protects against rust and
corrosion.
. Will not damage aluminum parts. . Helps keep the proper engine
temperature.
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Vehicle Care
Caution
If improper coolant mixture,
inhibitors, or additives are used in
the vehicle cooling system, the
engine could overheat and be
damaged. Too much water in the
mixture can freeze and crack
engine cooling parts. The repairs
would not be covered by the
vehicle warranty. Use only the
proper mixture of engine coolant
for the cooling system. See
Recommended Fluids and
Lubricants 0 350
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Never dispose of engine coolant by putting it in the trash, or by pouring it on the ground, or into sewers, streams or, bodies of water. Have the coolant changed by an authorized service center, familiar with legal requirements regarding used coolant disposal. This will help protect the environment and your health.
Checking Coolant The vehicle must be on a level surface when checking the coolant level. Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling, do not do anything else until it cools down. If coolant is visible but the coolant level is not at or above the mark pointed to, add a 50/50 mixture of clean, drinkable water and DEX-COOL coolant. Be sure the cooling system is cool before this is done. If no coolant is visible in the coolant surge tank, add coolant as follows: How to Add Coolant to the Coolant Surge Tank
{ Warning
You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol
(Continued)
Warning (Continued)
and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine.
Caution
This vehicle has a specific coolant fill procedure. Failure to follow this procedure could cause the engine to overheat and be severely damaged.
{ Warning
Steam and scalding liquids from a hot cooling system can blow out and burn you badly. Never turn the cap when the cooling system, including the surge tank pressure cap, is hot. Wait for the cooling system and surge tank pressure cap to cool.
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5. Replace the cap tightly.
Caution
If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured.
Engine Overheating
The vehicle has an engine coolant
temperature gauge on the
instrument cluster to warn of engine
overheating. See Engine Coolant
Temperature Gauge 0 111
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Caution
Running the engine without coolant may cause damage or a fire. Vehicle damage would not be covered by the vehicle warranty.
The coolant surge tank pressure cap can be removed when the cooling system, including the surge tank pressure cap and upper radiator hose, is no longer hot. 1. Turn the pressure cap slowly counterclockwise. If a hiss is heard, wait for that to stop. A hiss means there is still some pressure left.
2. Keep turning the cap and
remove it.
3. Fill the coolant surge tank with the proper mixture to the mark pointed to on the front of the coolant surge tank.
4. With the coolant surge tank
cap off, start the engine and let it run until the upper radiator hose starts getting hot. Watch out for the engine cooling fan. By this time, the coolant level inside the coolant surge tank may be lower. If the level is lower, add more of the proper mixture to the coolant surge tank until the level reaches the mark pointed to on the front of the coolant surge tank.
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If the decision is made not to lift the
hood when this warning appears,
get service help right away. See
Roadside Assistance Program
0 361
If the decision is made to lift the
hood, make sure the vehicle is
parked on a level surface.
Then check to see if the engine
cooling fan is running. If the engine
is overheating, the fan should be
running. If it is not, do not continue
to run the engine and have the
vehicle serviced.
If Steam Is Coming from the
Engine Compartment
{ Warning
Steam from an overheated engine can burn you badly, even if you just open the hood. Stay away from the engine if you see or hear steam coming from it. Just turn it off and get everyone away from the vehicle until it cools down.
(Continued)
Warning (Continued)
Wait until there is no sign of steam or coolant before you open the hood. If you keep driving when the engine is overheated, the liquids in it can catch fire. You or others could be badly burned. Stop the engine if it overheats, and get out of the vehicle until the engine is cool.
If No Steam Is Coming from the Engine Compartment If an engine overheat warning is displayed but no steam can be seen or heard, the problem may not be too serious. Sometimes the engine can get a little too hot when the vehicle: . Climbs a long hill on a hot day. . Stops after high-speed driving. Idles for long periods in traffic.
If the overheat warning is displayed with no sign of steam:
1. Turn the air conditioning off. 2. Turn the heater on to the
highest temperature and to the highest fan speed. Open the windows as necessary.
3. When it is safe to do so, pull off
the road, shift to P (Park) or N (Neutral), and let the engine idle.
If the engine coolant temperature gauge is no longer in the overheat zone, the vehicle can be driven. Continue to drive the vehicle slowly for about 10 minutes. Keep a safe distance from the vehicle in front. If the warning does not come back on, continue to drive normally and have the cooling system checked for proper fill and function. If the warning continues, pull over, stop, and park the vehicle right away. If there is no sign of steam, idle the engine for three minutes while parked. If the warning is still displayed, turn off the engine until it cools down.
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Engine Fan If the vehicle has a clutched engine cooling fan, when the clutch is engaged, the fan spins faster to provide more air to cool the engine. In most everyday driving conditions, the fan is spinning slower and the clutch is not fully engaged. This improves fuel economy and reduces fan noise. Under heavy vehicle loading, trailer towing, and/or high outside temperatures, the fan speed increases as the clutch more fully engages, so an increase in fan noise may be heard. This is normal and should not be mistaken as the transmission slipping or making extra shifts. It is merely the cooling system functioning properly. The fan will slow down when additional cooling is not required and the clutch disengages. This fan noise may also be heard when starting the engine. It will go away as the fan clutch partially disengages. If the vehicle has electric cooling fan(s), the fans may be heard spinning at low speed during most
everyday driving. The fans may turn off if no cooling is required. Under heavy vehicle loading, trailer towing, high outside temperatures, or operation of the air conditioning system, the fans may change to high speed and an increase in fan noise may be heard. This is normal and indicates that the cooling system is functioning properly. The fans will change to low speed when additional cooling is no longer required. The electric engine cooling fans may run after the engine has been turned. off. This is normal and no service is required.
Washer Fluid
What to Use When windshield washer fluid needs to be added, be sure to read the manufacturer's instructions before use. Use a fluid that has sufficient protection against freezing in an area where the temperature may fall below freezing.
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273
Adding Washer Fluid
Open the cap with the washer
symbol on it. Add washer fluid until
the tank is full. See Engine
Compartment Overview 0 259
reservoir location.
for
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Caution
. Do not use washer fluid that
contains any type of water repellent coating. This can cause the wiper blades to chatter or skip.
. Do not use engine coolant
(antifreeze) in the windshield washer. It can damage the windshield washer system and paint.
(Continued)
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Vehicle Care
Caution (Continued)
. Do not mix water with
ready-to-use washer fluid. Water can cause the solution to freeze and damage the washer fluid tank and other parts of the washer system.
. When using concentrated
washer fluid, follow the manufacturer instructions for adding water.
. Fill the washer fluid tank
only three-quarters full when it is very cold. This allows for fluid expansion if freezing occurs, which could damage the tank if it is completely full.
Brakes Disc brake pads have built-in wear indicators that make a high-pitched warning sound when the brake pads are worn and new pads are needed. The sound can come and go or be
heard all the time the vehicle is moving, except when applying the brake pedal firmly.
{ Warning
The brake wear warning sound means that soon the brakes will not work well. That could lead to a crash. When the brake wear warning sound is heard, have the vehicle serviced.
Caution
Continuing to drive with worn-out brake pads could result in costly brake repair.
Some driving conditions or climates can cause a brake squeal when the brakes are first applied or lightly applied. This does not mean something is wrong with the brakes. Properly torqued wheel nuts are necessary to help prevent brake pulsation. When tires are rotated, inspect brake pads for wear and
ii
evenly tighten wheel nuts in the
proper sequence to torque
specifications in Capacities and
Specifications 0 355
Brake linings should always be
replaced as complete axle sets.
Brake Pedal Travel
See your dealer if the brake pedal
does not return to normal height,
or if there is a rapid increase in
pedal travel. This could be a sign
that brake service may be required.
Replacing Brake System Parts
Always replace brake system parts
with new, approved replacement
parts. If this is not done, the brakes
may not work properly. The braking
performance expected can change
in many other ways if the wrong
replacement brake parts are
installed or parts are improperly
installed.
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Brake Fluid
The brake/clutch master cylinder
reservoir is filled with GM approved
DOT 3 brake fluid as indicated on
the reservoir cap. See Engine
Compartment Overview 0 259
the location of the reservoir.
for
ii
Checking Brake Fluid With the vehicle in P (Park) on a level surface, the brake fluid level should be between the minimum and maximum marks on the brake fluid reservoir. There are only two reasons why the brake fluid level in the reservoir may go down: . Normal brake lining wear. When
new linings are installed, the fluid level goes back up.
. A fluid leak in the brake/clutch
hydraulic system. Have the brake/clutch hydraulic system fixed. With a leak, the brakes will not work well.
Always clean the brake fluid reservoir cap and the area around the cap before removing it. Do not top off the brake/clutch fluid. Adding fluid does not correct a leak. If fluid is added when the linings are worn, there will be too much fluid when new brake linings are installed. Add or remove fluid, as necessary, only when work is done on the brake/clutch hydraulic system.
{ Warning
If too much brake fluid is added, it can spill on the engine and burn, if the engine is hot enough. You or others could be burned, and the vehicle could be damaged. Add brake fluid only when work is done on the brake/clutch hydraulic system.
When the brake/clutch fluid falls to a
low level, the brake warning light
comes on. See Brake System
Warning Light 0 116
Brake fluid absorbs water over time
which degrades the effectiveness of
the brake fluid. Replace brake fluid
at the specified intervals to prevent
increased stopping distance. See
Maintenance Schedule 0 341
ii
ii
What to Add
Use only GM approved DOT 3
brake fluid from a clean, sealed
container. See Recommended
Fluids and Lubricants 0 350
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{ Warning
The wrong or contaminated brake fluid could result in damage to the brake system. This could result in the loss of braking leading to a possible injury. Always use the proper GM approved brake fluid.
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Vehicle Care
Caution
Warning (Continued)
If brake fluid is spilled on the vehicle's painted surfaces, the paint finish can be damaged. Immediately wash off any painted surface.
Battery - North America
For diesel engine vehicles, see
“Battery” in the Duramax diesel
supplement.
The original equipment battery is
maintenance free. Do not remove
the cap and do not add fluid.
Refer to the replacement number
shown on the original battery label
when a new battery is needed. See
Engine Compartment Overview
0 259
for battery location. { Warning WARNING: Battery posts, terminals, and related accessories contain lead and lead (Continued)
ii
compounds, chemicals known to
the State of California to cause
cancer and birth defects or other
reproductive harm. Batteries also
contain other chemicals known to
the State of California to cause
cancer. WASH HANDS AFTER
HANDLING. See California
Proposition 65 Warning 0 256
ii
Extended Storage: Remove the black, negative (−) cable from the battery or use a battery trickle charger.
Four-Wheel Drive
Transfer Case
When to Check Lubricant
Refer to Maintenance Schedule
0 341
the lubricant.
to determine when to check
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Vehicle Storage
How to Check Lubricant
{ Warning
Batteries have acid that can burn
you and gas that can explode.
You can be badly hurt if you are
not careful. See Jump Starting -
for tips on
North America 0 324
working around a battery without
getting hurt.
ii
Infrequent Usage: Remove the black, negative (−) cable from the battery to keep the battery from running down.
Automatic Transfer Case
1. Drain Plug
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When to Change Lubricant
Refer to Maintenance Schedule
to determine how often to
0 341
change the lubricant.
ii
What to Use
Refer to Recommended Fluids and
to determine what
Lubricants 0 350
kind of lubricant to use.
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Front Axle
When to Check and Change Lubricant It is not necessary to regularly check front axle fluid unless a leak is suspected, or an unusual noise is heard. A fluid loss could indicate a problem. Have it inspected and repaired.
2. Fill Plug
Electronic Shift Transfer Case
1. Drain Plug 2. Fill Plug
To get an accurate reading, the vehicle should be on a level surface. If the level is below the bottom of the fill plug (2) hole, located on the transfer case, some lubricant will need to be added. Add enough lubricant to raise the level to the bottom of the fill plug (2) hole. Use care not to overtighten the plug.
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How to Check Lubricant
Front Axle for 2.5L Shown, Front
Axle for 3.6L Similar
1. Drain Plug 2. Fill Plug
To get an accurate reading, the vehicle should be on a level surface. If the level is below the bottom of the fill plug (2) hole, located on the front axle, some lubricant will need to be added. Add enough lubricant to raise the level to the bottom of the fill plug (2) hole. Use care not to overtighten the plug.
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Vehicle Care
What to Use
Refer to Recommended Fluids and
to determine what
Lubricants 0 350
kind of lubricant to use.
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Rear Axle
When to Check and Change Lubricant It is not necessary to regularly check rear axle fluid unless a leak is suspected, or an unusual noise is heard. A fluid loss could indicate a problem. Have it inspected and repaired. All axle assemblies are filled by volume of fluid during production. They are not filled to reach a certain level. When checking the fluid level on any axle, variations in the readings can be caused by factory fill differences between the minimum and the maximum fluid volume. Also, if a vehicle has just been driven before checking the fluid level, it may appear lower than normal because fluid has traveled out along the axle tubes and has not drained back to the sump area. Therefore, a reading taken
five minutes after the vehicle has been driven will appear to have a lower fluid level than a vehicle that has been stationary for an hour or two. The rear axle assembly must be supported on a flat, level surface to get a true reading.
How to Check Lubricant
Rear Axle for 2.5L Shown, Rear
Axle for 3.6L Similar
1. Drain Plug 2. Fill Plug
To get an accurate reading, the vehicle should be on a level surface.
If the level is below the bottom of the fill plug (2) hole, located on the rear axle, some lubricant will need to be added. Add enough lubricant to raise the level to the bottom of the fill plug (2) hole. Use care not to overtighten the plug.
What to Use
Refer to Recommended Fluids and
to determine what
Lubricants 0 350
kind of lubricant to use.
ii
Starter Switch Check
{ Warning When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
1. Before starting this check, be
sure there is enough room around the vehicle.
2. Apply both the parking brake
and the regular brake.
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Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts.
3. For automatic transmission
vehicles, try to start the engine in each gear. The vehicle should start only in P (Park) or N (Neutral). If the vehicle starts in any other position, contact your dealer for service. For manual transmission vehicles, put the shift lever in Neutral, push the clutch pedal down halfway, and try to start the engine. The vehicle should start only when the clutch pedal is pushed down all the way to the floor. If the vehicle starts when the clutch pedal is not pushed all the way down, contact your dealer for service.
Automatic Transmission Shift Lock Control Function Check
{ Warning When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
1. Before starting this check, be
sure there is enough room around the vehicle. It should be parked on a level surface.
2. Apply the parking brake. Be
ready to apply the regular brake immediately if the vehicle begins to move.
3. With the engine off, turn the
ignition on, but do not start the engine. Without applying the regular brake, try to move the shift lever out of P (Park) with normal effort. If the shift lever moves out of P (Park), contact your dealer for service.
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279
Ignition Transmission Lock Check While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. . For automatic transmission
vehicles, the ignition should turn to LOCK/OFF only when the shift lever is in P (Park). . For manual transmission
vehicles, the ignition should turn to LOCK/OFF only when you press the key release button.
On all vehicles, the ignition key should come out only in LOCK/OFF. Contact your dealer if service is required.
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Park Brake and P (Park) Mechanism Check { Warning
When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move.
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. . To check the parking brake's
holding ability: With the engine running and the transmission in N (Neutral), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only.
. To check the P (Park)
mechanism's holding ability: With the engine running, shift to P (Park). Then release the parking brake followed by the regular brake.
Contact your dealer if service is required.
Wiper Blade Replacement
Windshield wiper blades should be
inspected for wear or cracking.
Replacement blades come in
different types and are removed in
different ways. For proper
windshield wiper blade length and
type, see Maintenance
Replacement Parts 0 351
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Caution
Allowing the wiper arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that occurs would not be covered by
(Continued)
Caution (Continued)
the vehicle warranty. Do not allow the wiper arm to touch the windshield.
To replace the windshield wiper blade: 1. Pull the windshield wiper assembly away from the windshield.
GMC Canyon Owner Manual