Front Suspension Hub Problems of GMC Sierra

The contact owns a 2006 GMC Sierra. The contact noticed the right and left front hub assembly was worn. The dealer did not offer any assistance since the warranty had expired. The manufacturer was not notified. The vehicle was taken to a private mechanic who informed the contact that she would need to replace the entire hub assembly. The vehicle was not repaired. The current mileage was 77,465. The approximate failure mileage was 77,365.

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The contact owns a 2006 GMC Sierra. While driving approximately 55 mph, the brakes were engaged and the vehicle began to shake excessively. A rattling noise was heard in the front end of the vehicle while driving over gravel or rough road surfaces. The vehicle was taken to an authorized dealer for routine maintenance and the technician was unable to duplicate or diagnose the failure. The vehicle was taken to an independent mechanic for diagnostic testing and the front passenger side wheel hub was replaced. The failure mileage was approximately 40,000.

Abs brake activates at slow speeds. Wheel hub bearing problem.

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On 01 Nov, I was pulling into a parking spot when my brakes totally failed causing me to crash into a parked car. I was entering the parking spot below 5 mph when the brakes failed. I dropped my truck off at a repair center on 03 Nov and they informed me that both the left front hub bearing was shot and the anti-lock brakes sensor was shot. Both items were replaced.

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The contact stated this vehicle was included in the recall campaign for the abs. The dealer performed the recall repairs, but it did not remedy the problem. The dealer said the problem was the right front hub. The hub has been replaced one time already. After approximately 12,000 miles the vehicle started experiencing the same problems again.

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The contact states the abs system is bad. It almost caused an accident on 8-20-05 because brakes went to the floor. There was no braking power. Had to shift the car into park to get the vehicle to stop. The contact was going very slowly when this happened. This was the first incident of this kind. The dealer repaired the vehicle. They replaced the wheel bearings, the hub, the rotors, and a cable that was attached to the wheel bearing on 8-22-05. It seems to be fixed as of now.

Consumer states: anti-lock brake system, when applying it makes weird noise, and has to push brakes to the floor. Had to do 4 times, was under 5 mph and pedal kicked back, and it grabbed. Just got abs serviced and new fuse put in. Had to take out fuse for the brakes to work properly. Could hear whinnying noise before taking out the fuse, and light came on at the same time. Dealer hooked up vehicle to diagnostic machine, replaced right front hub and bearing assembly, and still having the same problem.

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Truck exhibits failure of braking at slow speeds; pedal hard and no brake; hit building at slow speed minimal damge; truck had 38,000 miles. Took to dealer;they said knew what was wrong; changed out left front hub and speed sensor $405. 00.

Contact states: at low speeds the abs locked up. The same problem happened to consumer's other GMC Sierra . Dealer said that the front wheel bearing/hub assembly was the problem. When the abs kicked in it resulted in extended stopping distance. No prior warning to the failure.

Right front wheel hub failed at relatively few miles. Making a vibration and noise at any speed, heating up.

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Contact states: at very low speed anti lock brakes would kick in when consumer would brake instead of braking the vehicle would keep moving, it doesn't matter what the weather condition is. It has been repaired at contact's expense. Contact called gm, they said it needed two new hubs, including the bearings (left and right). Gm covered 1/2 of the cost. Dealer diagnosed it without even looking at the vehicle because they had seen this before.

Front left hub on 2001 GMC Sierra 4wd has failed and must be replaced at significant cost. Vehicle has 73,000 miles on it. Truck has been kept in excellent condition and serviced properly. No off road use other than on grass to ensure 4wd system working.

At slow speeds there is a clanking sound in the brakes, and can be felt in the brake pedal on the consumer's foot. This has been a problem since 2002. The vehicle has been in the repair shop 3 times for the same problem. The first time, the vehicle was involved in an accident in the parking lot. The owner was driving 5 mph or less and had no brake control, and the pedal was working against the driver. The owner took the vehicle back to the shop 2 more times for the same problem. Gm, the manufacturer came and inspected the truck. Gm would not allow the truck to be fixed by the dealership until they inspected it. The dealerships report stated that they replaced the right front hub bearing after testing and the found bearing caused unwanted abs operation during slow speeds. There were no injuries in the crash.

While traveling on highway driver's side mirror vibrates up and down. View of the glass is cloudy. Dealership is aware of problem.

Abs brakes fail when you apply brakes when there is a bump in the road. I have had 14 failures in 2095 miles. The brake pedal drops down slightly and becomes solid, you can not push down anymore and the vehicle glides to a slow stop. It will not stop in an emergency in this case. The problem seems to be in the suspension and the abs brakes. The vehicle vibrates and does not recover fast when you go over a slight bump in the road. At highway speed the whole vehicle and steering wheel vibrates. The plastic hub nuts always come loose when driving.