
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 Removal Engine Lubrication Oil Pump
Primary Camshaft Intermediate Drive Chain Removal Valvetrain CamshaftDrive and Driven Sprocket, Drive Link, and Park Pawl Installation (6T40/45/50) Automatic Transmission Unit
Drive and Driven Sprocket, Drive Link, and Park Pawl InstallationCalloutComponent Name1Front Differential Carrier Baffle2Front Differential Carrier Baffle Bolt-M6-x-16-(Qty:-2)Caution:Refer toFastener Caution.Tighten12-Y (106-lb-in)3Drive Link Lube Scoop Seal4Drive Link Lube Fluid Seal5Drive Link Lu ...