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.
Engine Prelubing
Note:This procedure is not used in Europe.Special Tools EN-45299 Engine PreluberFor equivalent regional tools, refer toSpecial Tools.Note:A constant and continuous flow of clean engine oil is required in order to properlyprime the engine. Ensure an approved engine oil is used, as specified in the ow ...