Remove the pressure relief plug-(1),spring-(2), and plunger-(3).
Remove the oil pump gerotor cover-(1) andbolts.Clean all of the parts in cleaning solvent. Remove varnish,sludge and dirt.Inspect the oil pump-(2, 3) for wear and scoring.Ensure that all components are within specifications. Refer toEngine Mechanical Specifications.
Replace the front cover-(4) and oil pump assemblyif it is out of specification or damaged.
Oil Pump Suction Pipe and Screen Assembly Replacement Engine Lubrication Oil Pump
Removal ProcedureRemove the oil pan. Refer toOil Pan Replacement.Remove the oil pan scraper bolts.Remove the oil pan scraper.Remove the oil suction pipe bolts.Remove the oil suction pipe.Remove the oil suction tube seal from the oil suction tube.Discard the oil suction tube seal.Installation Procedu ...