This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
When stopping, brake pedal was down to the floor. ABS brakes locked up and vehicle slid before coming to a stop. Took vehicle to dealer who could not duplicate the problem. Dealer replaced leaking master cylinder and deglazed the rotors. Transmission experienced slipping, clunking and would not shift into 1st gear, dealer replaced transmission. Rear end is noisy, U-joints have been replaced, however noise reoccured, consumer states Chevrolet has a U-joint and bearing problem.
Consumer had raised vehicle with bigger rims and tires, then, had experienced transmission low power. Often there was low fluid. Dealer said they could not determine what was causing leakage. In time, transmission could not be engaged.
There is a problem with transmission. Vehicle has trouble moving at times. Also, a loud noise comes from transimission when consumer is driving. Contacted dealer, and dealer was not willing to do anything.
Vehicle accelerates from a stop, at times, vehicle jumps from drive into neutral. This problem occurs when the vehicle is cold. Dealer has been contacted. Consumer states that can be dangerous in traffic or with a load on hills.
- Durango, CO, USA
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Truck sat idle for 4 days. Started truck and tried to put it into reverse several times. Transmission wouldn't shift. Had to start truck several times before shifting took place. Chevrolet dealer says allison is aware of the problem and attempting to find a fix. Allison has not advised us or the dealer of this problem!
Tires "cupped" before 8000 mile rotation, transmission- feels like clutch is slipping, has times in nuetral from a stop then slams into gear... motor sounds like a diesel at start up quiets some, yet all this is suppose to be "normal". (tiresize: 235/75/R16)
I purchased my vehicle and 1 week after purchase the engine began making a knocking noise which proceeded to get louder. I phoned my dealership and they made an appt to bring in the vehicle for inspection. I was told at that time that the vortec engine made that sound and there was nothing they could do. I disagreed as it didnt knock when I purchased it. They did a top engine clean and returned the vehicle. I drove it to Wyoming and the same day I picked it up it was knocking and missing. I phoned the dealership and they said to bring it in when I got home and gave me GM cares number in case it broke down. I took the vehicle back in and they have now had it for 16 days. Nothing has been done to repair it. I phoned GM they said 1 out of 4 vortec engines have this problem..they have no fix for it but I should get at least 36 thousand miles from the engine. I told them that was not acceptable I paid 28 thousand dollars for the truck and was told I should get at least 200 thousand miles on the engine. They were aware of this problem before I purchased the vehicle but never disclosed this to me. The transmission is also spinning in gear. I was at a stoplight and at the green light accelerated but the transmission spun then jumped into gear and almost threw the truck into the vehicle in front of me. Also towing my horse trailer the transmission doesnt shift properly.
After only having this new truck for 2 days the transmission was taken out of it due to a ticking noise in the engine. The mechanic was advised by GM to take out the transmission and replace a flywheel. After 2 weeks of waiting for a part I picked up my truck. The next day the noise was back. I have had 2 GM reps listen to the noise. The secound rep told me that it was "entrained gasses" and that there was nothing they could do about it. I did not purchase this truck making the noise and do not want it anymore after the transmission has been taken out.
Transmission shifts from 5th to 3rd, over revving the engine, also it will for no reason shift all the way down to second gear at interstate speeds nearly causing an accident.
Transmission shifts from 5th to 3rd, over revving the engine, also it will for no reason shift all the way down to second gear at interstate speeds nearly causing an accident.
On a slight incline vehicle will roll backward and hesitate when accelerating. Dealer has been notified, and said that this was normal operation for this particular transmission. Consumer stated, vehicle will hesitate on flat ground. When trying to get on hwy or exits this can be very dangerous.
Transmission seemed to be in neutral after stopping and applying brake then accelerating. Dealer picked up with wrecker. When wrecker arrived, condition could not be duplicated. Dealer has valve body ordered to replace in transmission. Second problem: Rear leaf springs shift causeing a knock when going up uneven grades or speed bumps. Third problem: Looseness in transfer case and rear axle cause a clunk when downshifting to stop and sometimes when transmission shifts. Dealer claims normal. Large aluminum driveshaft transfer sound. Just excuse for poor quality product. This clunk or knock also sounds when rear axle moves on uneven grade with axle shifting and driveshaft stationary.
Engine stalled without prior warning in stop and go traffic, and engine misfired several time daily. Also, transmission clunked on straight away, a torque converter lock up. Dealership was aware of problem.. vehicle was there for four times, vehicle is there currently.
Automatic transmission violently jumps while changing from first to second gears. Dealership has examined vehicle, but has not informed consumer as to cause or reason of problem.
The problem is an intermittant neutral condition. This happens when stopped at a light for a few minutes. After releasing the brakes and applying the accelerator the engine revs, but the vehicle does not move. Then all of a sudden the transmission engages with a large bang and the rear tires break traction. This has happened six times. The dealer says there is no problem. The manufacture says they have had many calls for the same problem, however they don't have a fix. On the internet, there are several people that have had this problem and GM has fixed it with a new valve body for the transmission, as well as, a new front pump assembly. I feel that this is unsafe and should be fixed. Thank you.
Consumer had bought vehicle brand new. Could be driving and transmission would be jumping out of gear. Had to be taken back to dealer for transmission problem. It was determined that the valve body was defective and was repaired.
A D V E R T I S E M E N T S
- Black Canyon City, AZ, USA