Air Brake Problems of GMC Yukon

The contact owns a 2017 GMC Yukon. The contact stated that while reversing, the brakes became hard and unresponsive and crashed into a guardrail . There were no reported injuries. There were no warning lights illuminated. The vehicle was taken to the local dealer where it was diagnosed the brake assist pump needed to be replaced. The vehicle was not repaired. The manufacturer was notified and a ticket was submitted. The failure mileage was approximately 59,000. The contact stated the failure was related to NHTSA campaign number: 19v645000 ( service brakes, hydraulic).

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The contact owns a 2002 GMC Yukon xl. The contact stated that while the brake pedal was depressed, the vehicle jumped and hesitated without warning. The vehicle was taken to an independent mechanic where it was diagnosed that the wheel speed sensor was corroded and needed to be replaced. The dealer was not contacted. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was provided case number 8-3140697651. The approximate failure mileage was 145,000.

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When coming to a complete stop, the brakes jerk or a slipping motion after you are at complete stop. We have brought it to the attention to the dealership numerous times and the have just lubed the problem, according their memo that is the procedure, instead of fixing the problem. This is a almost daily basis, it appears to be a problem that GMC doesn't want to spend the money to fix on these vehicles.

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