Oil Pan: Service and Repair

Oil Pan Replacement

Removal Procedure





1. Disconnect the battery negative cable. Refer to Battery Replacement in Starting and Charging.
2. Remove the oil level indicator.
3. Raise the vehicle. Refer to Vehicle Lifting.
4. Remove the oil pan drain plug and drain the engine oil into a suitable container.
5. Remove the oil filter.
6. Remove the bolt holding the oil cooler pipes bracket to the oil pan.
7. Remove the oil filter adapter. Refer to Oil Filter Adapter Replacement





8. Remove the bolt holding the bracket for the starter wiring harness and the transmission cooler pipes.
9. Remove the crankcase position sensor wiring harness from the retainer.
10. Remove the starter. Refer to Starter Motor Replacement in Starting and Charging.





11. Remove the transmission cover.





12. Remove the inner axle shaft housing support bracket to the frame nuts and the washers.





13. Remove the front differential carrier upper and lower mounting nuts and bolts.
14. Lower the front differential carrier assembly only enough for removal of the oil pan.





15. Remove the access plugs for the oil pan rear nuts.





16. Remove the transmission to oil pan bolts.
17. Remove the oil pan from the engine. Refer to Oil Pan Removal.
18. Clean all sealing surfaces on the engine and the oil pan. Refer to Oil Pan Clean and Inspect.

Installation Procedure

Notice: Any time the transmission and the engine oil pan are off of the engine at the same time, install the transmission before the oil pan. This is to allow for the proper oil pan alignment. Failure to achieve the correct oil pan alignment can result in transmission failure.





1. Install the oil pan to the engine. Refer to Oil Pan Installation.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the transmission to oil pan bolts and nuts.
Tighten the bolts to 47 Nm (34 ft. lbs.).





3. Install the access plugs for the oil pan rear nuts.
4. Position the front differential carrier assembly.
5. Install the carrier upper and lower mounting bolts and nuts. Refer to Differential Carrier Assembly Replacement in Transmission and Drivetrain.
6. Install the inner axle shaft housing support bracket to frame washers and nuts. Refer to Differential Carrier Assembly Replacement in Transmission and Drivetrain.





7. Install the transmission cover.
Tighten the bolts to 12 Nm (106 inch lbs.).
8. Install the starter motor. Refer to Starter Motor Replacement in Starting and Charging.





9. Install the bolt holding the bracket for the starter wiring harness and the transmission cooler pipes.
Tighten the bolts to 10 Nm (89 inch lbs.).
10. Install the CKP sensor wiring harness in the retainer.
11. Install the oil filter adapter. Refer to Oil Filter Adapter Replacement.





12. Install the oil cooler pipes bracket bolt.
Tighten the bolts to 10 Nm (89 inch lbs.).





13. Install the oil filter. Refer to Engine Oil and Oil Filter Replacement.
14. Install the oil pan drain plug.
Tighten the oil pan drain plug to 25 Nm (18 ft. lbs.).
15. Lower the vehicle.
16. Fill the crankcase with engine oil. Refer to Engine Oil and Oil Filter Replacement.
17. Connect the battery negative cable. Refer to Battery Replacement in Starting and Charging.