55. Oil Pan Clean and Inspect

Oil Pan Cleaning and Inspection





1. Remove the oil filter fitting (438) and bypass valve (436) as required.





2. Remove the oil filter tube (447), bolts (435), studs (451), and gaskets (445).





3. Remove the oil gallery plugs (449).





4. Remove the bolts and baffle.
5. Clean the oil pan in solvent.

6. Caution: Refer to Safety Glasses Caution in Service Precautions.

Dry the oil pan with compressed air.
7. Inspect the oil pan for the following conditions:
^ Damaged gasket surfaces
^ Restrictions within the oil passages of the pan
^ Damaged oil filter seal surface or inoperative oil filter bypass valve Lightly depress the valve. The valve spring should seat the valve to the proper closed position.
^ Threaded bolt holes for damage
8. Inspect the oil transfer tube for restrictions or damage.