Tools Required

J 39084 Rear Main Seal Installer

Important: Before a new seal is installed, the CDR and the crankcase ventilation system should be thoroughly inspected and the crankcase pressure should also be checked. Refer to Crankcase Ventilation System Inspection/Diagnosis .

1. Disconnect the battery negative cables from the batteries. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Remove the engine cover from the vehicle. Refer to Engine Cover Replacement in Interior Trim.
3. Remove the flywheel from the crankshaft. Refer to Engine Flywheel Replacement .
4. Remove the crankshaft rear oil seal from the engine block using a small screwdriver.

Important: Coat the crankshaft surface with clean engine oil, and lightly coat the sealing area of the new oil seal with engine oil or grease before installing the new oil seal. Do not scratch or nick the sealing edge of the oil seal.

1. Install the crankshaft rear oil seal into the tool, with the spring cavity towards the engine.
2. Use the J 39084 to install the crankshaft rear oil seal in the engine block.
3. Install the flywheel on to the crankshaft. Refer to Engine Flywheel Replacement .
4. Install the engine cover in the vehicle. Refer to Engine Cover Replacement in Interior Trim.
5. Connect the battery negative cables to the batteries. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.