One problem related to transfer case has been reported for the 2005 GMC Envoy. The most recently reported issues are listed below.
- the contact stated that while driving the 2005 GMC Envoy with 32000 failure mileage at 35 mph on many different occasions the vehicle switched into 4 wheel drive on its own and slowed the vehicle down in the process. The contact kept control of the vehicle and pulled it onto the side of the road. The vehicle was towed and repaired on several occasions, but nothing seemed to resolve the problem. The current mileage was 41000.