Pontiac - Torrent :: 2007 - After Driving About 10 Minutes Brake Pedal Gets Progressively Stiffer
I have been having a mysterious problem with my 2007 Pontiac Torrent that apparently no one, not even GM, can diagnose. I have done great research on this problem, and although there seems to be many many folks with Stabilitrak/Traction Control message issues, none seem to be having the same problem I am having.
Problem: After driving my car about 10 minutes, the brake pedal gets progressively stiffer and the car itself is “heavier” (no other way to describe it). If I continue driving, the car will begin to make a low roaring sound, which will get louder and louder if I continue driving. The car also at this point will lose acceleration and it is very difficult to make the car accelerate (that also makes the noise louder). A couple of times (luckily I was in my garage at home after driving), the car was stopped and when I tried to reverse, the car would not move at all.
When this problem first started (about 6 months ago), the Service Stabilitrak and Service Traction Control messages would come on, but I had a part replaced and that stopped (although the car was still having the same problem) until yesterday when those messages came on again. It has been four months since the messages stopped, yet the car was still having this problem during that time.
My remedy to this problem has been to pump the brakes each time I stop (I now take the highway instead of the interstate so that I can make enough stops to do this). I can go about 10 minutes before I have to stop, pump the brakes, and continue driving. This makes the stiffness in the brakes stop and keeps the car from making the noise and having the acceleration problems. The car runs fine as long as I do this.
During this six months, I have been to two different auto mechanics AND the local GMC dealer (at least four times). The parts that have been replaced are: right rear hub bearing assembly, EGR valve, rotors resurfaced, left rear caliper repaired, brake pressure modulator valve, and electronic brake control module. The dealership says they do not know what is causing this problem, and they claim they contacted the technicians at GM and they have never heard of this problem.
I feel this is a problem in the braking system. Something is getting hot the longer I drive and causing something to lock up the wheels, but not enough to stop the car entirely unless I continue driving. What stumps me is why does pumping the brakes work, and why are no service messages or warning lights coming on?
Pontiac - Torrent :: 2006 - Fuel Pump Went Out
About two weeks ago my wife's 2006 Pontiac Torrent's fuel pump went out. We had it replaced (costly repair) and two weeks later the car doesn't start again. Cranks but does not turn over/ turn on, which is exactly what it was doing before we changed the fuel pump.
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This morning a dash light informed me a headlight bulb was out. It was my DTR light on the passenger side.
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High Beam on , both lights works.
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I replaced my driver side bulb last year and it took 5 mins....i am already 4 hours into this!
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View 1 RepliesAbs - Brakes - Pontiac - Torrent :: 2006 - Grumbling / Scraping Feeling From Brake Pedal?
I have 2006 Pontiac Torrent AWD with front disc and rear drum brakes. My ABS & traction control lights come on together (sometime) when I hit brakes slowly to slow down my car around 20-30km/h with a grumbling/scraping feeling sent to my feet from brake pedal (feel like rumble strip on highway). ABS & T/C lights go away if I shut off engine and restart car. It also happens if I accelerate at that speed. This issue does not happen when I hit brake hard.
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For a little while I have been noticing an odd noise from the front driver side tire. About a year ago on two different occasions I heard a sound when I turned the wheel somewhat sharply that sounded like a clacking noise almost like gears slipping. It only happened for a few seconds and stopped but has never done it other than those 2 times that I am aware of. This is my wifes everyday driver, so I don't always hear the noises.
Recently it started making a sound that to me sounded very similar to a wheel bearing going bad. I looked into it a little and drove it and decided to change it even though it didn't have all the "symptoms" of a wheel bearing (louder when turning away from that side, quieter when turning towards that side, play in the wheel). After replacing the hub assembly it didnt make the same noise, but made a different noise that was from the shield on the back side of the rotor rubbing against it. Took it for a drive thinking that I fixed it only to have it start doing it again. After listening closer it sounded like a metal rubbing against metal sound, sorta like a brake pad dragging on a grooved or rusty rotor. I inspected the rotor and all i saw as an issue was on the inner side of it there was a ring of rust on the inner and outer edges, and it was wearing the pad to have beveled edges. I replace the pads and rotor, and it still makes the sound.
I am down to two options that I can think of trying but do not want to really try either one because of the amount of money I have already put into it.
1) I have thought about replacing the brake caliper.
2) I have thought about replacing the CV Axle, BUT the boots are in excellent shape.
It doesn't make the noise all the time, and sometimes it is worse when turning to the right, and other times there is no change regardless of the direction you turn. When it does do it, it feels almost as if the car is dragging and pulls to the drivers side.
I am really at a loss here and don't want to keep narrowing it down because I have misdiagnosed the problem twice now, and was really confident in it being the wheel bearing.
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