Oil Pump Drive Replacement

REMOVAL PROCEDURE

NOTICE: Do not run the engine without the oil pump drive in place. This will cause extensive engine damage.





1. Disconnect the battery negative cables from the batteries.
2. Remove the upper intake manifold cover.
3. Remove the fuel filter from the lower intake manifold and lay to the side secure out of the way.





4. Tie the engine wiring harness extension harness assembly out of the way.





5. Remove the retaining clamp and bolt from the oil pump drive gear.





6. Remove the oil pump drive gear from the engine block.
7. Remove the oil pump drive gear O-ring.

INSTALLATION PROCEDURE

IMPORTANT: When replacing the oil pump drive gear, always use a new O-ring.





1. Coat the new O-ring with clean engine oil before install it on the oil pump drive gear.
2. Install the O-ring on the oil pump drive gear.

IMPORTANT: Do not force the oil pump drive gear into place. The oil pump drive gear should slide into place with slight resistance. Clean the bore and apply a small amount of clean engine oil before installing the oil pump drive gear.





3. Install the oil pump drive gear into the engine block.
- Index the drive with the camshaft gear.
- Make sure the oil pump drive gear is fully seated before installing the retaining clamp and bolt.

NOTICE: Refer to Fastener Notice in Service Precautions.





4. Install the retaining clamp bolt to the engine block.
Tighten the bolt to 42 Nm (311 ft. lbs.).

5. Untie the engine wiring harness extension harness assembly and reposition.





6. Reposition the fuel filter on the lower intake manifold.





7. Install the upper intake manifold cover from the engine.
8. Connect the battery negative cables to the batteries.