Transmission Gear Slipping Problems of GMC Envoy

6/13/2011 vehicle taken to GMC service for transmission flush and filter change. Returning home same afternoon vehicle transmission started slipping and stopped moving. After repeated attempts to move vehicle it was towed to local dealership. Service manager stated that probably broken hard parts inside the transmission were to blame. Rebuild trans. In range of 2$k, replacement $3k. Spoke with GMC coustomer service, no explanation why transmission failed or assist to repoace transmission. This vehicle has 105,151 miles on odometer.

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The contact owns a 2007 GMC Envoy. The contact stated that while driving various speeds, the tire pressure and air bag warning indicator illuminated continuously. The engine was leaking oil and all four tire pressure sensors failed. The failure recurred numerous times and the vehicle was taken to the dealer multiple times for repair. There were several repairs made to the vehicle including the replacement of the transmission slip yoke however, the failure persisted. The manufacturer was not notified of the defects. The approximate failure mileage was unavailable.

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We complained about the transmission slipping at 33,000 miles and take it back to the dealer they say the checked the problem and replaced an electrical component, at 50k while my wife was driving on the highway at 65mph lost the power train. After much discussion and three weeks the dealer finally agreed to fix for 500 vice 3300 which they wanted. A week later the transmission is slipping again and now we lost power steering and the gas needle stopped working. I have left messages for the service manager at wiesner GMC in conroe TX and they have not returned any calls. I am now taking the vehicle to a different mechanic to tried to get it repaired.

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Problems with vehicle's windshield wipers. The consumer noticed that everytime the windshield wipers were used, they would bounce across the windshield so much that the consumer was unable to see and in order for them to be used, the consumer had to keep turning them on and off to see properly. The vehicle was taken to the dealer at least four times to have the wipers adjusted and replaced. The last time however, it was determined that there was a bow in the windshield and it needed to be replaced. After having the windshield replaced, the consumer continued to experience problems. There was a film on the windshield and when the wipers were used, the consumer could not see properly. On two occasions the 4wd/a4wd light illuminated and the vehicle was stuck in 4wd and then all the lights went out and the transmission was slipping. The vehicle was taken to the dealer and the computer had to be reprogrammed. The consumer also stated the rear wipers failed and the dealer found a nut loose and the front washer hose did not work and there was a kink in it. There was noise coming from the windows, although the dealer said it was coming from the mirrors.

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Transmission slips gears while driving. Dealer will repair the transmission, but has not informed the consumer exactly what component failed.

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