Tl*the contact owns a 2007 chevrolet impala. Whenever the contact applies the brakes while driving downhill, she hears a thumping sound. The vehicle was taken to the dealer and they stated that the rotors needed to be replaced. The failure still persists. The speed was unknown. The current and failure mileages were 29,000. Updated 10/13/09. *lj updated 10/15/09.
2007 Chevrolet Impala brakes complaints
Page 3 of 3: complaints 41 to 59 of 59, newest first, as owners wrote them.
Parking brake will not hold in reverse. Dealership and gm states this is "normal." does not even hold on a slight incline, and on some drive ways the car gets stuck in park because of this. Known as "torque lock", the car will not disengage from gear because of load on transmission. I have to have someone rock the car back and fourth to disengage transmission. Fear the transmission is experiencing excess stress and may not hold causing accident or injury to unsuspecting people behind the vehicle.
Front rotors are warped at 22,000 miles on the car. It appears that the rotors are either undersize, made of poor steel, and or imported from china. There is no reason for the rotors to have failed and be resurfaced. As a mechanic this condition caused a significant safety issue under highway speed braking to a stop. My wife thought it was the road but instead it was a rotor shimmy. I thought the car was going to shimmy apart and brake steering tie rod links at the time it happened. There was no way I was going to let up on the brake or I would have hit the car in front of me. Instead I rode out the violent shimmy and grinding sounds coming from the front end. The concern I have is that other people would not identify the shimmy for what it is like my wife did and think it was the road. I feel that if the road was wet I would have lost control of the car.
Front disc brakes make a grinding noise when applied especially going downhill. Rotors and pads are in perfect condition. Dealer said that they are noted for this problem yet they will do nothing to correct as there is plenty of pad left. Noise is very bothersome. It sounds as if the pads are worn out and starting to grind into the rotors. This is definitely a factory defect and gm should offer a new type of pads to eliminate the noise! These are the factory original pads on the car.
I purchased the vehicle with 704 miles on it in february 2008. In may of 2008, the traction light came on and the traction control and ABS were "disabled". I took the vehicle in to the dealer where I purchased it, and they told me I had water in the fuel. As I was leaving the dealership, the transmission stopped shifting, and the car went into "limp" mode. I left the car to have the transmission control module replaced. I received the car back 5 days later and the light came on again, and the ABS and traction control where disabled. I took the car to another dealership in the hopes that they could find the trouble. After 14 days in service, they determined that rust has clogged the fuel system of the vehicle. The vehicle currently has 9,800 miles on it. The car is now "undriveable". They have yet to address the root cause of the safety issue that was the catalyst for the service visit.
Tl*the contact owns a 2007 chevrolet impala. The contact stated that the brakes would squeak very loudly when the brake pedal was depressed. The dealer stated that the brakes were lubricated and should be fine. Two months later, the tire pressure sensor illuminated on the instrument panel. The dealer placed air into the tire and the sensor warning light illuminated again. The dealer stated that the sensor malfunctioned; therefore, it was replaced and recalibrated. The contact then began to hear a rattling noise coming from the rear passenger side. The dealer stated that the bracket for the exhaust manifold malfunctioned and was repaired. The latch mechanism on the driver's side door malfunctioned and caused the door to shake rapidly while in motion. The dealer replaced the door latch. While driving 40 MPH, he suddenly depressed the brake pedal to avoid a crash on the interstate. The driver's seat bracket snapped and threw the contact backwards into the rear seat. The passenger in the vehicle grabbed the steering wheel to avoid a crash. The contact was completely displaced from the normal driving position. The vehicle was towed to the dealer and was unable to be driven. The dealer stated that the seat needed to be replaced, but made the necessary repairs in order for the vehicle to be driven again. The failure mileage was 100 and current mileage was 21,932.
Tl*the contact owns a 2007 chevrolet impala. While driving 30 MPH, the driver seat completely detached and threw the contact into the back seat. His spouse was able to grab the steering wheel to prevent a crash. The vehicle was towed to the dealer and they repaired it under warranty. The contact spoke with the manufacturer and was informed that they would investigate the failure and call him back. The current mileage was 21,924 and failure mileage was 21,900. Updated 10/03/08 *bf the front brakes squeaked irregulary whenever the consumer tried to stop, the tire pressure montioring system would informt he cosumer one or more of the tire were low, the consumer was told the tire sensors were bad after having returned for a second time for the same roblem. The bracket on the rear muffler had broken, the latch in the front drivers door had broken and needed to be replaced. Updated 10/07/08.
Shaking from front end when brakes applied. Can be very violent when going downhill. Seems to be common amongst impala's, dealers refuse to cover the brakes. I just bought it second owner at 25,000 and it even went through "gm certified" with this shaking brake problem.
The brakes were applied while descending a steep grade. The front end of the vehicle started shaking violently. When the dealer was contacted they stated it was probably warped rotors and they probably need turned. This will be the second time those rotors will be turned. This is always the manufacturers cure for this problem. It's just a delay until the vehicle runs out of warranty in another 5,000 miles. I've had this problem with warped rotors on various vehicles before and my experience has been that it never fixes the problem. Because this is a known on going problem which occurs on all makes and models of vehicles and also because it happens to one of the vehicles most critical systems, the practice of turning rotors to solve rotor warping or rotor shudder problems should be banned for all vehicles.
Tl*the contact owns a 2007 chevrolet impala. While driving 20 MPH, the vehicle began shaking violently. The dealer turned the rotors two times, but the failure continued. The manufacturer will be notified. The failure mileage was 7,000 and current mileage was 14,000. Updated 09/13/08. *lj the consumer stated on while driving down steep hills, the vehicle shimmies badly. Updated 09/16/08
We have two chevy impalas and both have less then 25,000 miles. They both had alignments, both went through two sets of tires, both went through two sets of brakes and rotors and one already needed a battery.
Rear alignment not within specs from factory, caused rear tires to wear prematurely. Front disc brakes needed replacement 11,000 miles and rotors needed to be resurfaced. Chevy would not cover the repairs under warranty.
Rear alignment not within specs from factory, caused rear tires to wear out prematurely. Front disk brake rotors and brakes unrepairable at 11,000 miles. Chevrolet would not cover repairs under warranty.
Tl*the contact owns a 2007 chevrolet impala. The vehicle made a crunching noise when the contact was steering and depressing the brake pedal. The dealer stated that many of these vehicles were experiencing this same failure. The contact will take the vehicle in for inspection. The speed was unknown. The current mileage was 12,500 and failure mileage was 4,000. Updated 10/30/07.
Tl*the contact owns a 2007 chevrolet impala. While driving 45 MPH, the contact felt the brake pedal pulsate when it was depressed. The dealer stated that the rotors were warped and they turned the rotors down, however, they were not replaced. The current mileage is 3,000 and failure mileage was 2,000.
Tl* the contact owns a 2007 chevrolet impala ltz. While driving 65 MPH down a hill the contact engaged the brakes to decrease the speed and the vehicle began vibrating. The service mechanic informed him that there was a grooving problem in the rotors. The dealer installed new rotors due to the warranty. The dealer gave the contact a 2007 chevrolet impala loaner vehicle that had the same failure. The failure mileage was 8,000. The current mileage was 8,100. *ak the consumer states front brakes fixed, vehicle seems to operate correctly at this time. Update 4/23/07
Tl* - the contact has a 2007 chevrolet impala with an odometer reading of 3800 miles and his break linkage failed. On 1-11-07 the contact was driving at 45 MPH, under dry conditions, when another vehicle pulled out in front of him. When he applied the breaks they failed and would not stop the vehicle. The contact stated that the air bags did deploy, but he still was injured. The contact stated that after he hit the vehicle the car keep going and as he continued to apply the breaks the car would not stop until he used the emergency break. The police came to the seen and made a report and the contact told the tow truck driver what happened, he looked at the vehicle and told him that the break pedal linkage was disconnected.
The brake linkage on my 2007 chevy impala disconnected I ran into the back of a dump truck because I had no brakes.
Something in the braking system...4th time at shop...still not fixed.
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