For 1990-2009 cars only
- Remove the oil level sensor from the pan.
- Remove the oil pan cover (434), gasket (433), and bolts (435), 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 .
- 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.
- Inspect the oil filter sealing surface for scratches or gouging.
- Inspect the oil filter fitting (438) for a loose fit or damaged threads.
- Inspect the oil passages for restrictions.
- Inspect the oil filter bypass valve (436) for proper operation.
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. |
Caution: Refer to Safety Glasses Caution in the Preface section.
The drain plug O-ring seal may be used again if not cut or damaged.
Lightly depress the bypass valve. The valve spring should seat the valve to the proper position.
