Possible Leakage Points

Examine the following areas for oil leakage.

Underhood

• Valve cover (6582).
• Intake manifold gaskets (9439).
• Cylinder head gaskets (6051) .
• Oil filter (6731).
• Distributor O-ring.
• Oil level indicator (dipstick) tube connection.
• Oil pressure sender (9278).
• Camshaft rear bearing covers (6266) and/or pipe plugs at end of oil passages.

Under Engine—With Vehicle on Hoist

• Oil pan gasket (6710).
• Oil pan front and rear end seals.
• Engine timing cover gasket (6020).
• Crankshaft front seal (6700).
• Crankshaft rear oil seal (6701).