
To replace or inspect the serpentine belt on your 2014 GMC Sierra 5.3, begin by locating the tensioner pulley. This pulley is crucial in maintaining the correct tension across the belt. Use a ratchet or serpentine belt tool to relieve pressure from the tensioner before removing the old belt. Be sure to check for any signs of wear on the belt and pulleys during the process.
Continue reading “2014 GMC Sierra 5.3 Belt Diagram and System Overview”







