Seven problems related to power steering pump have been reported for the 2000 GMC Sierra. The most recently reported issues are listed below.
Took the truck into a local goodyear store to have a whining noise diagnosed. The technician could not hear the noise and turned the wheel in one direction. When he tried to turn it back, it would not turn. He proceeded to replace the power steering pump and advised us that the shaft on the power steering pump had just snapped or broken. The power steering pump was replaced, and we retained the old power steering pump. I had heard about a recall for a similar issue and called a gm dealership to inquire into the recall. I was advised that gm had issued a recall for the year, make, and model of our truck for the exact problem we had experienced, but that our particular truck (when it was looked up by VIN number) was not included in the recall. It sounds like the recall needs to be expanded to include additional trucks.
When driving 10 mph consumer turned the steering wheel towards the right and it locked up. The brakes were also difficult to depress. The driver was able to control the vehicle. Consumer had the vehicle towed to the dealership for inspection. The vehicle was towed to a dealer where they determined that the shaft in the power steering pump broke. The dealer also indicated that there were metal pieces in the abs fluid which probably caused the system to fail.
I went into a slide on ice ,spinning 180 degrees, I came to a stop without hitting anything. After I got control I had no power steering or brakes. I drove the truck home and investigated the problem with the help of friends and a specific repair manual. The problem is the power steering shaft completely severed.
Consumer started vehicle up and turned wheels to go, and the wheels would not turn. Also, brakes went out. Brake was pressed down, and steering was very hard to steer. Power steering pump and serpentine belt were replaced. Shaft broke internally.
Power steering pump shaft broke, causing loss of steering and inability to control vehicle. The faulty circuit cluster in the dashboard caused all guages to fail. The vehicle experiences noise in the front end.
While coming down a hill put foot on brakes, and it felt like pushing on a brick wall. Consumer proceeded through a stop sign. Consumer has to press brake down twick before vehicle will stop. The brakes failed twice. The steering column makes a grinding noise when turning. Horn failed. Keyless entery failed. Door locks failed. Interior lights failed. The fan in the front end is very loud. The speedometer is inaccurate. The power steering pump shaft broke.
Power steering pump spline sheared. As a result the vehicle lost power steering and brakes when the driver made a u-turn.