Are there any problems with GMC Sierra differential unit?

Are there any problems with GMC Sierra differential unit?

GMC Sierra owners have reported 20 problems related to differential unit (under the power train category). The most recently reported issues are listed below. Vehicle was parked on icy driveway (5 degree angle). In park. Vehicle was found at the bottom of driveway against a tree.

Where does the front diff leaking come from?

Re: Front Diff Leaking.. If it’s fluid like and not grease like then I’d say the axle shaft seal is going bad. If it’s more grease like then I’d say it’s coming from the CV joint. If it’s on the case like in the pic I’d lean towards the seal being bad.

What are the problems with my 2002 GMC Sierra?

2002 GMC Sierra denali wheel bearing failure left & right side as well as front differential trouble. See all problems of the 2002 GMC Sierra . Truck drive train makes clunk noise when I first start off from a stop, also in reverse. When I stop at a red light it feels like someone just hit me from behind.

What causes a GMC Sierra to lose traction?

The rear tires are prone to lose traction due to the increased rolling resistance from the front wheels, braking performance is compromised, the truck will sway back and forth at highway speeds as the rolling resistance of the front wheels varies from side to side.

GMC Sierra owners have reported 20 problems related to differential unit (under the power train category). The most recently reported issues are listed below. Vehicle was parked on icy driveway (5 degree angle). In park. Vehicle was found at the bottom of driveway against a tree.

Why is diff fluid leaking from the front of my truck?

I stopped for gas and noticed some fluid leaking from the front of the truck. I popped the hood and there is diff fluid all over the place around the top of the vent tube. The tube does have the plastic vent in it. The truck did this before right after I changed the diff fluid for the first time.

What causes a GMC Sierra to understeer?

The truck has binding in the front axles, brakes, or differential. This causes the truck to understeer heavily as the truck works to turn the front wheels over the road surface. This also makes the truck difficult to steer, u turns are especially a problem, the truck has sluggish acceleration and stays longer in the lower gears.

2002 GMC Sierra denali wheel bearing failure left & right side as well as front differential trouble. See all problems of the 2002 GMC Sierra . Truck drive train makes clunk noise when I first start off from a stop, also in reverse. When I stop at a red light it feels like someone just hit me from behind.

Posted In Q&A