Two problems related to power steering pump have been reported for the 2002 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 GMC Yukon based on all problems reported for the 2002 Yukon.
The contact owns a 2002 GMC Yukon denali. While driving at a speed of 5 mph he suddenly lost the power assist in the steering wheel. As pressure was applied to the steering wheel it would break free to turn and then reset itself. The vehicle was taken to the dealership where the contact was informed that the failure could not be reproduced. The current and failure mileages were 74,000. Updated 04-15-10 the consumer stated after having a conversation with gm and the dealer a new power steering pump was ordered. The power steering pump was replaced on April 13th. Updated 05/05/10.
While making a tight left turn, the power steering failed completely. The Yukon only had 72000 miles on it. When I had it repaired at the dealer, GMC denied warranty service due to mileage. I complained that a power steering pump should never fail in such a catastrophic way. The service advisor said that the new power steering pump was of a different design so we should not have to worry about another failure. He said it was not uncommon for this failure to happen. The shaft broke inside the pump. The pulley was still intact. Had my wife been driving, she would have had a very difficult time controlling the car.