Remove front cover. See FRONT COVER under REMOVAL & INSTALLATION. Remove oil pan. See OIL PAN under REMOVAL & INSTALLATION. Remove oil pump, pump pick-up screen and deflector. Remove oil pump cover bolts and cover. Mark gear teeth for reassembly reference. Remove gears. Remove pressure regulator plug, spring and valve from cover. Remove pick-up screen and pipe.
Inspection
Check oil pump housing and cover for cracks, wear, scoring and casting imperfections. Check oil pump housing-to-engine block oil gallery surface for scratches or gouging. If excess wear or damage is found, replace oil pump as an assembly. Oil pump clearance specifications not available at time of publication. Inspect pump screen for debris or restrictions. Inspect pump screen for broken or loose wire mesh. Oil pump pipe and pick-up screen are to be serviced as an assembly. DO NOT attempt to repair pipe and pick-up screen assembly.