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 Uneven Braking And Brake Wear. - toasted uneven brakes  

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ScienceVR6
  • ScienceVR6
  • Standard User
  • Member No.: 79,085
  • Joined: 2-September 07
  • Posts: 70
  • From: Bunyip
Post #1 post 27th February 2009 - 08:07 PM
Last night on a blast up and down mount Baw Baw, I toasted the brakes to the point of glowing. The way up the mountain i noticed sparks being thrown off the front brakes, also on the way down. 1/4 the way down i stopped to have a look at the condition of my brakes, which where glowing. Well one of them was anyway. The other was glowing, but realy dull. By the time i was 2/3 down the hill, i was suffering some serious shudder, and the pedal was super long. When i get to noojee, I stopped at the pub, and discovered that i had no pads left on the right hand side, but a full pad on the left.
The right side was also the one that glowed the hardest. I have pics of both on my phone. The pads are only 6 months old, and i'm using Motul dot5.1 fluid, which was done a month ago.

Any help would be appreciated, as i don't want to have it do this again, rotors are $278 each with trade prices. And pads are hard to find.




Also, on a seperate but possibuly related topic, last week my ABS failed to unlock the front right wheel on the freeway after i was cut off, flat spotting the tire. Every test i have done subsequent, the ABS has worked perfectly, even on Baw Baw.

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iamhappy46
Post #2

Sounds like the caliper is sticking and might need a rebuild. Amount of dirt your car sees might have something to do with it wink.gif

However, while the wheel is off with the caliper, it might be worth getting the ABS sensor cleaned of any magnetic particles smile.gif

ScienceVR6
Post #3

Monday i'll have the calipers overhauled, and the pads replaced. I'll have to see if i can save the rotors with a quick machining, but if not, i'll just have to replace them. Ergh. I'll pull out the sensors and give them a check over.

Nath-90
Post #4

let me know how much the caliper overhaul costs you, having the same problem at the moment, not as bad but my front right is sticking at it shudders heeeaps...

lil_bobby_260
Post #5

I know it happens a lot on vt-vz commodores, see a lot of warped rotors. Make sure you a running a pad that can cope with the heat and still grip, otherwise you have to put a massive amount of brake pressure down to get them to grip, which equals even more heat.

Depending on your driving, the inside or outside wheel's brake rotor can cop more of a load, which might be a simpler reason to why one was running hotter than the other?

It would have to be sticking REALLY bad with a LOT of pressure to be the sole purpose of it heating the rotor so much.

BTW if its got that hot, blead your brakes :-)

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