One problem related to transmission not engage has been reported for the 2008 GMC Envoy. The most recently reported issues are listed below.
The contact owns a 2008 GMC Envoy. The contact stated that while attempting to drive up an incline, the vehicle made a tapping noise and the four wheel drive failed to engage. The vehicle was taken to the dealer. The technician diagnosed that the front right side of the shaft housing failed, causing the four wheel drive to fail. The vehicle was not repaired. The failure mileage was 105,000 and the current mileage was 109,000.
| Power Train problems | |
| Automatic Transmission Cooler problems | |
| Transmission Not Engage problems |