Oil Pan Cleaning and Inspection
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Important: Do not use the oil pan cover gasket again. Install a NEW cover gasket during assembly.
Do not use the oil pan to engine block gasket again. Install a NEW gasket during assembly.
When installing a NEW oil pan gasket, it is not necessary to install the rivets that retain the NEW gasket to the pan.
- Remove the oil level sensor from the pan.
- Remove the oil pan cover (2), gasket (3), and bolts (1), if required.
- Remove the oil pan drain plug and O-ring seal.
- Remove the oil pan baffle and bolts.
- Clean the oil pan in solvent. Be sure to thoroughly clean all of the oil passages and recesses of the pan.
- Clean the oil pan gasket surfaces. Refer to REPLACING ENGINE GASKETS
.CAUTION: Refer to SAFETY GLASSES CAUTION in Cautions and Notices.
- Dry the oil pan with compressed air.
- Inspect the gasket sealing surfaces for excessive scratches or gouging. Refer to REPLACING ENGINE GASKETS .
- Inspect the oil level sensor seal surface and threads for damage.
- Inspect the oil pan drain plug and threaded drain hole for damaged threads.
The drain plug O-ring seal may be used again if not cut or damaged.
- Inspect the oil filter sealing surface for scratches or gouging.
- Inspect the oil filter fitting (1) for a loose fit or damaged threads.
- Inspect the oil passages for restrictions.
- Inspect the oil filter bypass valve (2) for proper operation.
Lightly depress the bypass valve. The valve spring should reseat the valve to the proper position.