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.
Fastener Tightening Specifications - Engine
Fastener Tightening SpecificationsApplicationSpecificationMetricEnglishAutomatic Transmission Flex Plate BoltFirst Pass30-Y-(1)22-lb-ft-(1)Final Pass45-Degrees89-lb-inCamshaft Cap Bolt10-Y89-lb-inCamshaft Cover Bolt10-Y89-lb-inCamshaft Intermediate Drive Sprocket Bolt– Idler Sprocket58-Y43-lb-ftCa ...