Four problems related to suspension have been reported for the 2001 GMC Sierra. The most recently reported issues are listed below.
Brakes will go out while driving, and the pedal will go to the floor before the vehicle even starts to slow down. Contacted the dealer, and the dealer is not willing to do anything. The consumer states that the ride control will not go on; there is an internal short-replaced the ride control, the consumer states that the abs light stays on-faulty speed sensors, and right front seat belt is not retracting.
When traveling at any speed vehicle lifts up and kicks sideways. Dealership is aware of problem.
While driving at 55mph or higher vehicle will start to bounce, making it difficult for driver to steer. Problem worsens when road curves. Consumer states that the vehicle is not being driven due to dealer not being able to remedy problem, consumer does not feel that vehicle is safe.
There was a large "booming" noise coming from vehicle everytime consumer drove it. This noise occurred when pulling away from a stopped position. Consumer took vehicle to dealership, and they greased differential. He was told this would correct the problem. Consumer still experienced the problem dealership said that there was nothing more they could do. Please provide any additional information/attachments.