NHTSA Complaint #10003208 — 2002 GMC DENALI

ENGINE TAPS LOUDLY UPON STARTUP. THIS METALLIC TAPPING OCCURS AFTER OVERNIGHT PARKING AND ALSO IF SITTING FOR AN HOUR OR SO. WHEN DRIVING COLD ENGINE, VALVE CLATTER OCCURS BEFORE EACH SHIFT OF THE AUTOMATIC TRANSMISSION. EMAIL AND TELEPHONE CORRESPONDENCE WITH GM LEFT ME WITH THEIR OFFER TO PROVIDE EXTENDED WARRANTY ON ENGINE, OF WHICH I DECLINED. PART OF THEIR RESPONSE: WE APPRECIATE THE OPPORTUNITY TO REVIEW YOUR CONCERNS WITH YOUR 2002 GMC SIERRA DENALI. WE HAVE EXAMINED REQUEST NUMBER 1-60877406 IN WHICH YOUR ENGINE TAPPING NOISE IS DOCUMENTED WITH THE GMC CUSTOMER ASSISTANCE CENTER AND WE ARE IN AGREEMENT WITH THE POSITION PREVIOUSLY PROVIDED TO YOU. UNDER THE TERMS OF THE NEW VEHICLE LIMITED WARRANTY, OUR PRIMARY RESPONSIBILITY IS TO REPAIR THE VEHICLE. SINCE THIS IS CONSIDERED A NORMAL CHARACTERISTIC OF THE VEHICLE, THERE IS NO REPAIR NECESSARY. WE ASSURE YOU THAT IT WILL NOT EFFECT THE DRIVABILITY OR SAFETY OF YOUR VEHICLE.