One problem related to engine knocking noise has 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.
While driving a loud knocking noise was heard from the front. Consumer was able to drive the vehicle to dealer for inspection, and mechanic determined that a carbon build up on the piston caused the knocking.