Intermittent drivability issue involving the transmission during takeoff from a complete stop, most noticeable in heavy traffic and stop and go conditions. Vehicle shudders and lurches when accelerating from a dead stop, with a sensation similar to being hit from behind followed by abrupt engagement. This creates unpredictable launch behavior and raises concern for safe acceleration in traffic, including potential risk when entering intersections or merging. In addition, vehicle has a recurring squeaking noise on cold start that sounds like a belt or pulley related issue. Also experiencing an HVAC airflow malfunction where the center dash vents initially blow air, but within about 30 seconds the center vents stop and airflow shifts to lower vents and or upper dash vents only, affecting normal climate control and potentially defogging or visibility depending on conditions. Issue has been reported to authorized service centers, but the transmission concern has been difficult to duplicate and remains unresolved.
Chevrolet Corvette grinding brakes problems
26 of the 5,049 owner complaints about the Chevrolet Corvette describe grinding or squealing brakes, most of them for the 2005 model year.
- owner complaints
- 26
- worst model year
- 2005
- typical mileage
- 30,000
By model year
Often reported together
Steering lock-up 3Oil consumption 2Loss of power 2Harsh shifting 2Knocking 2Door locks 2Check engine light 2
What owners say
When drive slowly, sometimes it grinds really lound when the wheels are wet or dry. Took it to 2 different dealers, they said it's normal. I have video for both incidents.
2nd gear synchronizer failure on manual transmission. 2nd gear grinds on upshift and downshift.
My a8 transmission in my 2019 corvette began to shift irregularly at 6k miles, 10 months. It sounds like it's grinding rocks with quarters. It at the dealership who verified it's the torque converter which has caused 'collateral damage'
While driving on highway in 5th gear #5 exhaust valve dropped into the cylinder going through the piston and causing connecting rod to go through side of the block. Engine seized and caused the car to go into a 65 MPH spin. Luckily this occurred late at night on a open 4 lane highway with little traffic. I nearly clipped an oncoming pickup truck but squeaked by him. The car had 32,000 miles on it but out of warranty because of the years. Total cost for this ls7 replacement cost me 18,000 out of pocket. I hardly even drive the car because I'm afraid of it happening again. I'm reluctant to sell it because of the valve issue happening to potential buyer and them coming after me for the failure. Gm needs to correct this problem before someone gets killed like I could have been that night.
Vehicle makes a bumping , grinding metalic noise when turning slowly in either direction. Or in reverse. It has been seen by two dealers on three separate occasions. The last time I was given a bulletin (#14-03-10-001d) 3-2-17, from chevrolet stating that this was typical of many corvettes due to "ackermann effect" causing tire chatter when turning slowly at a tight angle. My vehicle did not exhibit this problem until approx.1,000 miles and has progressively gotten worse and it now has over 4,000 miles on the odometer. I have driven this car in a driving rain with slick pavement, and the noise is even louder, so that if tire chatter were the problem, I would think that the noise would go away, or at least lessen somewhat. It did not. It is my opinion that at some point, this car's front suspension will break, possibly causing an accident.
I started the car when it was cold, it began to squeal from the belts. I gave it a small rev and it squealed intensely, I mean very loudly! I opened the hood and belts were not moving. I could not move the car. The harmonic balancer had lost it's bond. I am just glad I was sitting still. At speed, the steering would have been lost, it could have killed me! I had the car towed to the shop, and it cost me $1000.00. Not good! I read that this happens alot. Bad design for sure. I should be reimbursed. What can I do? Chevy won't even talk to me about it. It's a shame because I love my car, but now I am afraid to drive it!
When brakes are applied they start to catch and a grinding, chattering is felt in the brakes until I let up off the pedal. The active handling code appears and then goes away. On several occasions the active handling code appears and will not go away until the vehicle is switched off anf then restarted.
First the roof blew off.the communication message center gives mis information.the car has always made a grinding sound under hood at start up.problemsm activating eelectrical stability system.also after roof repair roof rattles and always sound loose.
I was leaving a parking space when the front brakes applied own their own causing the car to completely stop. I also heard some grinding which I believe to be the brakes. I had the car towed to the local chevy dealership, after two days they could not find anything wrong.
Related recalls
Service brakes
- What is wrong
- General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.
- Risk
- If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.
- Remedy
- GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1‑800‑630‑2438, Cadillac customer service at 1‑800‑333‑4223, or Buick customer service at 1‑800‑521‑7300. GM's number for this recall is A202307260.
Recall number 20V588000 · Recall details
Parking brake
- What is wrong
- General Motors LLC (GM) is recalling certain model year 2015 Chevrolet Corvette vehicles manufactured August 20, 2014, to September 4, 2014. In the affected vehicles, only one of the rear parking brake cables may be fully seated and engaged, resulting in the parking brake only operating on one of the rear park brake drums. Without the parking brake working on both rear wheels, the vehicle may roll away if parked on a steep gradient. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard No. 135, "Light Vehicle Brake Systems."
- Risk
- If the parking brake cable isn't fully seated and engaged on both of the rear park brake drums, the vehicle may roll away if parked on a steep gradient, increasing the risk of a crash.
- Remedy
- GM will notify owners, and dealers will inspect and correct the park brake cable installation, as necessary, free of charge. The recall began on October 31, 2014. Owners may contact Chevrolet customer service at 1‑800‑222‑1020. GM's number for this recall is 14620.
Recall number 14V568000 · Recall details
Service brakes, hydraulic: foundation components: hoses, lines/piping, and fittings
- What is wrong
- Certain passenger vehicles were produced with one or both rear brake hydraulic lines that can come in contact with or be affected by heat from the left engine exhaust manifold and the left exhaust pipe. The brake fluid could reach elevated temperatures and boil.
- Risk
- If the brake fluid boils in a rear brake line, the effectiveness of the rear brake system would be reduced which could result in a brake line leak and loss of brake fluid. If enough fluid leaks from the rear brake system so that brake pedal application can no longer build pressure to the rear brakes. The operator of the vehicle will experience limited braking which could result in a crash.
- Remedy
- Dealers will (1) inspect the left engine exhaust manifold clip for proper alignment and placement on the body-mounted stud. If incorrect, they will reposition the clip on the brake lines and reinstall the clip on the stud; (2) the dealer will verify that both rear brake lines have the proper clearance to the left exhaust pipe. They will reposition the lines by bending as necessary; (3) dealers will remove the machining tab from the rear differential housing. Also, dealers are to inspect the brake lines for wear in these related areas and repair or replace if there is any sign of wear-through on the nylon overcoating. The recall began on january 18, 2005. Owners should contact cadillac at 1‑866‑982‑2239 or chevrolet at 1‑800‑630‑2438.
Recall number 04V525000 · Recall details
Questions about the Chevrolet Corvette grinding brakes
Which Chevrolet Corvette years have grinding or squealing brakes problems?
The model years with the most reports are 2005 (6 complaints), 2006 (5 complaints) and 2000 (4 complaints).
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