Differential Unit Problems of Chevrolet Corvette

Following a high performance driver education event, my 2007 Corvette caught fire while traveling at low speed (approximately 10 mph) on a 2-lane county road, with the fire originating in the area surrounding the passenger rear (right rear) wheel well. As soon as I was aware of the fire, I stopped the car, shut down the engine, and observed the fire on the top of the transmission and gearbox from the rear of the car. I obtained a fire extinguisher and attempted to extinguish the fire by deploying the contents beneath the car on the area of visible flame. I was unable to extinguish the fire under the first attempt and I began to remove the rear carpeting from the vehicle in the rear hatch and trunk area as the carpet had began to smolder. A second fire extinguisher was brought to the scene and the fire was put out. The fire had consumed a 2" x 6" section of the hatch (trunk) floor, which had melted onto the rear exhaust pipe. After the car was towed home and put up on jack stands, it appears that the charcoal canister and sections of the emissions system were consumed in the fire. It is inconclusive in my observation if these components were causal to the fire or merely consumed in the flames. Much of the rear wiring surrounding the differential and transmission has been destroyed by the fire. There are also visible remnants of liquid "drips" on the right rear exhaust pipe travelling over the rear differential but no conclusive source of the liquid was found. I would like to ensure that this failure was not systemic to the vehicle design or manufacturer so that other owners may be protected from similar failures.

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The contact owns a 2005 Chevrolet Corvette. The contact stated that while driving 30 mph, one of the wheels seized, causing the vehicle to skid intermittently. The vehicle was towed to the dealer for a diagnosis and the contact was informed that the non-slip differential needed fluid. The failure recurred again the next day. The vehicle was scheduled to return to the dealer. The vehicle had not been repaired. The failure and current mileages were 70,000.

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The contact owns a 2006 Chevrolet Corvette z06. While driving 70 mph, the hardtop roof panel flew off. The dealer replaced the roof panel under warranty. While driving 55 mph, the roof panel flew off again and pushed the headliner down. The vehicle swerved into a curb and all four rims were damaged. The manufacturer stated that the VIN was not included in NHTSA campaign id number 06v181000 (structure:body:roof and pillars). The failure mileage was 8,000 and current mileage was 18,000. Updated 03/04/08. The rear differential was replaced. Updated.

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- the contact called regarding the 2001 Chevrolet Corvette z06. The contact heard a noise in the rear of the vehicle. The contact took the vehicle to a repair shop. The mechanic diagnosed that the rear wheel bearing needed to be replaced. The contact has the faulty part. The failure mileage 11,000. The contact has the repair invoice. Updated 05/04/07. The consumer provided additional information glassroots motor magazine stating the vehicle is prone to axel seal failure. Updated 06/29/07.

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Constant leak and failure of rear differential and suspension system becoming non operational.

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Differential seizes and makes noise at speeds up to 50 mph. Could result in total lockup and loss of control of vehicle.

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