2001 GMC Sierra C3 Q&A
2001 GMC Sierra C3 Question: Drive train seems to "crab"
This could be caused by a defective or glazed power steering belt and or belt tensioner, that is causing the belt to skip. This is actually pretty common. - dandd
transfer case is locked up,remedy may be flush and refill as per service bulletin. - Visitor
Mine did the same thing and it ended up bieng a bad gear in the center differential. Had to have it replaced. Spendy, but fixed the problem. - Visitor