2004 GMC Envoy XL Transmission and drivetrain Problems

“As I was driving in cruise control speed off 55 MPH vehicle begin to make a dragging sound. After stopping and placing vehicle into park and then putting gear back into drive vehicle began to go into reverse mode. I then tried every other gear 1,2,3 drive the vehicle continued to still go into reverse. The car still turns on without a problem but will not move forward when in drive.”

“Upon shifting tranny into park gear vhecile continued to roll forward or backward note : upon pushing in shifter relaese button shifter engaed in park gear however indicator displayed drive internal failure cable broken and emergency brake did not work so I had my neigbor put bricks behind the rear wheels all the while the car shut itself off and the steering wheel locked”

“I was driving back home and parked in my driveway put the vehicle in parked and when I released the brake peddle the vehicle jump and took off in reverse. I missed hitting my wife by inches. I then stopped the vehicle and turned it off. Then I tried to restart the vehicle and it would not start. I tired to push the button on the shifter. I then though there was something wrong with the transmission. I then when to the internet and search what would cause the problem. Finding it was something to do with the lockout devise. …”

“While driving at 35-40 MPH, after exiting the highway, (I-75) my truck just slowed all of a sudden, almost to a complete stop, no warning. And started jerking. I was almost rear ended. My truck started rattling, and clanking, and I had to have it towed. I was told by the dealership that my front carrier had thrown a bearing, (font differential) and the housing was broken. I was also told that it would be 3,286.53 to have my truck repaired. …”

“Pulled onto the road (2004 Gmc Envoy Xl) at approximately 5-10 MPH loud noise. Vehicle began to have difficulty manually shifting (automatic transmission) and I lost reverse. Upon further investigation discovered GM TSB 00-07-30-022c indicating there is a faulty part (reaction sun shell gear) in the transmission in vehicles manufactured in 1993 - 2005. Dealer technician confirmed. Cost of over $3,000 to repair, my costs since the vehicle is 3 months out of warranty. Purchased new.”