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Pontiac Grand Prix Brakes

81 messages,  Last post on Dec 10, 2008 at 6:14 AM

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#46 of 81 2005 Pontiac Grand Prix braking vibration by jensey7 Jun 19, 2007 (7:31 pm)
My 2005 grand prix just began vibrating while I'm breaking. It's not everytime...just when I'm slowing down from about 35-45 mph to come to a red light or something like that. My cousin has the same car and hers is doing the same thing. Our tires are new, our brakes and roters appear to be in good shape, so we're stumped. I wondered if anyone out there has had a similar problem.
#47 of 81 Re: abs light comes on [robmoyer] by pawl Jun 21, 2007 (6:02 pm)
Replying to: robmoyer (Jan 20, 2006 11:03 am) Hi Another VERY common problem is the large wire harness on left (drivers side) front. The harness rubs the Air Conditioner Accumulator mounted below the air cleaner box. After it rubs enough, it will start to cause "Ghost" ABS problems as the ABS wire shorts to the accumulator. It WILL not set codes (usually). It WILL actuate the ABS system for VERY short periods of time (milliseconds).
#48 of 81 Grand Prix's Eat rotors and tires!!!!!! by kcsap Jun 24, 2007 (4:10 pm)
Hey all, just signed up to post this and hopefully get some feedback. My wifes cars an '03 Grand Prix GT it has 56000km, we put all new brakes on the car at 48000km and new tires at 52000, now a person would think that these parts would last longer thn roughly 50000km, but hey I'm not a GM engineer... Now I get in the car today and the front rotors are crap already, 8000km in less than one year and they are crap again!!! 8000km, no parts can be that poor, unless they were a bad batch. The tires?? goodyear eagle LS from the factory and they had 5mm of tread left at 56000 Talking with my auto parts dealer, he tells we that these cars need to have the rims torqued on or they become unbalanced and warp the rotors as u brake, so I always make sure every time the wheels are off that I torque the nuts to 110, so what gives??? 8000km and the rotors are warped!!!???? give me a break, my in laws have the same car, year and everything and have had the same problems with the brakes and tires.   Does anyone have any suggestions or has this happenned to them, I love this car its great to look at but If I have to replace the brakes yearly its not worth it!! Please let me know back here or you can email me at kcsaphotmail.com thanks   -Kris, Ontario Canada Replies to this message: szamudio (Aug 04, 2007 10:14 pm)
#49 of 81 Re: Grand Prix's Eat rotors and tires!!!!!! [kcsap] by szamudio Aug 04, 2007 (10:14 pm)
Replying to: kcsap (Jun 24, 2007 4:10 pm) Wow, I have a 2001 grand prix and only once have i changed the brake pads. at 94k miles.bought at 34k miles with new pads from dealer. never had bad rotors or a vibe.whats with all these problems? any one have an answer to the vibes and bad brakes?
#50 of 81 PArking Brake Cable Help! by szamudio Aug 04, 2007 (10:36 pm)
i am installing a new parking brake cable from the pedal to the rear wheel assemblies. at the conncetor where the main cable connects the left and right wheels is a connector. the old swedge is stuck in the connector, how do i get it out?
#52 of 81 A Stupid Question by bubbaman999 Sep 22, 2007 (4:26 am)
All, Took my 07 Base Grand Prix to the dealer, a scraping sound in the rear when I lightly apply the brakes. They look at the brakes and said fronts and rears are fine (only 7500 miles). I later figured that it only happens when the car is cold. Also only with partial application of the brakes. Anybody got any ideas? When the car is warm and been drive no sound is made.   Thanks, Gary
#53 of 81 ABS comes on while braking by dsjr Nov 06, 2007 (3:01 pm)
I have a 2000 GP. On occasion when braking (it seems like it happens the most when turning)it feels like the anti-locks are kicking on. It does it while braking under normal conditions. Anybody know what the problem may be? Thanks. Replies to this message: skacase22 (Apr 21, 2008 8:54 pm) willsontg (Apr 22, 2008 3:02 am)
#54 of 81 2004 grand prix brake pads wearing and running hot by redplanet1 Dec 09, 2007 (10:46 am)
I've had to replace pads and resurface rotors 3 times in 1-1/2 years due to excessive wear and vibration in the steering when braking. The ABS lights have never come on. The first time Sears said it was due to a bad caliper. I replaced that along with pads, a rotor resurface and a system flush. Worked fine for about six months when the vibration started again. This time the dealer said the same caliper was bad and needed replacement. Ok, it did it again and all was well until about 90 days later when it started all over again. Pads down to zero with uneven wear, etc. I took it to a brake shop who said that it's probably the proportional valve in the ABS but , of course they sent me to the dealer. The dealer ran tests and said that no error codes come up. What's going on?   Second, the engine runs hot when on a climb and is variable, I've had it to the dealer who changed sensors, rodded the radiator, flushed the system, changed the thermostat and says there are no error codes and no co-mingling of fluids so not to worry! This just ain't right! I know that something is wrong. Any ideas?

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