
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 Camshaft#06-00-89-029I: Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer...
Subject:Interior Cleaning – Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet,Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer — Product AvailabilityModels: 2006-2014 GM Passenger Cars and Trucks (EXCLUDES Cadillac DTS Platinum and EscaladePlatinum with RPO R9N – Tehama Le ...