54. Oil Pan Cleaning and Inspection

Oil Pan Cleaning and Inspection

Important: When installing a NEW oil pan gasket, it is not necessary to install the rivets that retain the NEW gasket to the pan.





1. Remove the oil filter tube bolts (434, 446) and gaskets (445, 448).
2. Remove the oil filter tube (447).





3. Remove the plugs from the oil galleries.





4. Remove the oil pan baffle and bolts.
5. Remove the oil filter fitting and bypass valve, as required.
6. Clean the oil pan in solvent. Be sure to thoroughly clean all of the oil passages and recesses of the pan.

Caution: Refer to Safety Glasses Caution in Service Precautions.

7. Dry the oil pan with compressed air.
8. Inspect the oil pan for the following conditions:
^ Damaged gasket surfaces
^ Restrictions within the oil passages of the pan
^ Threaded bolt holes for damage





9. Inspect the oil filter tube for restrictions or damaged gasket surfaces.
10. Inspect the oil pressure relief valve for proper operation. Lightly depress the valve (2). The valve spring (1) should seat the valve to the proper closed position.





11. The relief valve (455) is press-fit into the tube and can be serviced separately.