Oil Pump Replacement

Removal Procedure

Notice: Do not raise the engine block by the crankshaft balancer to perform this service procedure. Damage to the crankshaft balancer or the crankshaft may occur.





1. Disconnect the battery negative cable from the battery. Refer to Battery Negative Cable Disconnect/Connect Procedure.
2. Remove the engine cover from the vehicle. Refer to Engine Cover Replacement.
3. Raise the vehicle and support with safety stands. Refer to Vehicle Lifting.
4. Remove the oil pan from the vehicle. Refer to Oil Pan Replacement.
5. Remove the oil pump mounting bolts.
6. Remove the oil pump assembly from the crankshaft rear bearing cap.


Installation Procedure

Important: When servicing the oil pump assembly, always replace the retainer between the oil pump hex drive and the oil pump.





1. Prime the oil pump assembly.
1.1. Submerge the oil pump in a container with clean motor oil.
1.2. Rotate the oil pump hex drive by hand until the oil begins to flow from the oil pump assembly.
1.3. Clean the excess motor oil from the outside of the oil pump assembly.
2. Install a new retainer between the oil pump and the hex drive shaft.
3. Align the extension shaft with the drive shaft to the oil pump drive gear. the oil pump should slide easily into place, do not force the oil pump into place.
4. Install the oil pump and the extension shaft to the crankshaft rear bearing cap.

Notice: Refer to Fastener Notice in Service Precautions.

5. Install the oil pump mounting bolts to the oil pump.
^ Tighten the bolts to 90 Nm (65 ft. lbs.).
6. Install the oil pan to the engine block. Refer to Oil Pan Replacement.
Remove the safety stands and lower the vehicle. Refer to Vehicle Lifting.
7. Connect the battery negative cables to the batteries. Refer to Battery Negative Cable Disconnect/Connect Procedure.
8. Install the engine cover in the vehicle. Refer to Engine Cover Replacement.