What causes a GMC Envoy transfer case to break?
I had the vehicle inspected by a GMC authorized dealer in November, 2005 at which point they found out that there was a problem with the transfer case which causes it to break apart. This in turn causes all the other systems in the vehicle to malfunction because it’s a computerized system.
Is the air bag light on a 2002 GMC Envoy?
No repairs have been made. The contact owns a 2002 GMC Envoy. The air bag light is constantly illuminated and only dims when the vehicle is turned off. While driving 55 mph, the contact attempted to use the 4 wheel drive, but it would not work. The indicator light remains illuminated; however, none of the 4 wheel drive levels work.
Why does my GMC Envoy go from 4HI to 4WD?
While driving my vehicle and the 4 wheel drive switch is in the off position, my vehicle will engage into 4 high and the 4 low light flashes like it’s trying to go into 4 low. It will keep switching back & forth from 4hi to a4wd and then go off. This has happened a couple times now.
What happens if you have a bad brake light switch?
The brake light switch on modern vehicles is no longer a simple switch used to turn on the brake lights. A bad brake light switch, for example, can trigger the ABS and traction control lights, but it can also prevent engine start or even transmission shifting. In this article, we go over the symptoms of a bad brake light switch and test them.
What’s the problem with the GMC Envoy transmission?
Intermittent noise and feeling, best described as a “Thunk” when at idle after driving (like at red lights) Transmission hard-shifting intermittently. Not smooth at all. Not occuring in conjunction with idle issue. Return trip to address previously unresolved problem. Drive shaft removed, checked, lubed, and refitted. Fault no longer apparent.
The brake light switch on modern vehicles is no longer a simple switch used to turn on the brake lights. A bad brake light switch, for example, can trigger the ABS and traction control lights, but it can also prevent engine start or even transmission shifting. In this article, we go over the symptoms of a bad brake light switch and test them.
Why is my Trans bad on my 4L60E?
Trans seems noisy when moving in 1st and Reverse, noise goes away instantly if you shift to N or the transmission goes into 3rd gear: Reaction planetary is worn out due to high miles or insufficient lubrication. Not a critical failure, but not a good sign either.