Based on car owner complaints, the most common issues with the 2003 GMC Sierra 1500HD fall into the category of POWER TRAIN. Below we had classified the complaints into groups by components affected.
We have singled out the top-3 most critical reports that involved victims or injuries.
Tl* the contact owns a 2003 gmc sierra 1500 hd. the contact stated that the bolts on the manifold were fractured and caused leakage through the exhaus...
Truck was parked outside at work during the day. when i entered the truck and closed the driver door to leave, the rear window exploded when the door...
Outside passenger side rear view mirror defrost does not work. *tr