Oil Pan: Service and Repair

Oil Pan Replacement

Removal Procedure




1. Install the engine support fixture.
2. Drain the engine oil.
3. Remove the front frame.
4. Remove the front differential carrier, if equipped.
5. Disconnect the electrical connector from the engine oil level sensor.
6. Remove the engine oil level sensor from the oil pan.




7. Remove the oil pan bolts.

Important: The oil pan gasket is reusable unless damaged. Do not remove the gasket from the oil pan unless replacement is required.

8. Remove the oil pan.
9. Drill out the oil pan gasket rivets.




10. Remove and discard the oil pan gasket.
11. Clean and inspect the oil pan.

Installation Procedure




1. If required, install a new oil pan gasket. It is not necessary to rivet the new oil pan gasket to the oil pan.
2. Position the oil pan onto the lower crankcase.




3. The oil pan must be held flush to 0.50 mm (0.020 in) forward of the rear face of the engine block.




4. Place oil pan fasteners in location as shown:

* Short length bolt (420)
* Medium length bolt (421)
* Long length bolt (422)





Notice: Refer to Fastener Notice.

5. Install the oil pan bolts. Tighten the bolts in the sequence shown.

1. First pass-Tighten the bolts to 15 N.m (11 lb ft).
2. Final pass-Tighten the bolts to 25 N.m (18 lb ft).




6. Install the engine oil level sensor into the oil pan.

Tighten the sensor to 10 N.m (89 lb in).

7. Connect the electrical connector to the engine oil level sensor.
8. Install the front differential carrier, if equipped.
9. Install the front frame.
10. Fill the engine oil.
11. Remove the engine support fixture.
12. Inspect for oil leaks after engine start up.