Oil Pan Cleaning and Inspection (LC9)

Oil Pan Cleaning and Inspection (LC9)

1. Remove the oil filter fitting (438), as required.

Note:
Some models may not be equipped with an oil pressure relief valve deflector (4).

2. Remove the active fuel management oil pressure relief valve (3).

3. Remove the oil pressure relief valve deflector (4), if equipped.

4. 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.

Note:
Some oil pan baffles may have been attached to the oil pan with rivets. After cleaning the oil pan, if debris is present and cannot be completely removed, oil pan replacement may be necessary.

5. Remove the bolts (427) and baffle (428).

6. Remove the oil pan cover (434), bolts (435), and gasket (433).

7. Clean the oil pan in solvent.

Warning:
Refer to Safety Glasses Warning Safety Glasses Warning.

8. Dry the oil pan with compressed air.

9. Inspect the oil pan for the following conditions:

* Damaged gasket surfaces (1)

* Restrictions within the oil passages (2) of the pan

* Damaged oil filter seal surface (3)

10. Install the oil pan cover (434), gasket (433), and bolts (435).

Caution:
Refer to Fastener Caution Fastener Caution.

11. Tighten the oil pan cover bolts (435) to 9 Nm (80 lb in).

Note:
An oil pressure relief valve deflector (4) must be installed, even if not originally equipped.

14. Install the oil pressure relief valve deflector (4).

15. Install the active fuel management oil pressure relief valve (3) and tighten to 27 Nm (20 lb ft).

16. Install the oil filter fitting (438), as required, and tighten to 55 Nm (40 lb ft).