Oil Pump: Service and Repair

REMOVAL PROCEDURE





1. Remove the engine front cover. Refer to Engine Front Cover Replacement.
2. Remove the oil pump assembly retaining bolts identified by the larger head size.
3. Remove the oil pump assembly with the drive collar in place.
4. Inspect the oil pump. Refer to Oil Pump Clean and Inspection in Unit Repair.

INSTALLATION PROCEDURE





1. Install the oil pump drive spacer into the oil pump so that the drive flat engages the pump rotor.
2. Position the oil pump on the crankshaft.
3. Install the retaining bolts.
4. Apply upward pressure on the pump while tightening the three retaining bolts. Tighten the bolts in a counter clockwise pattern starting with the lower left bolt when facing the pump.
4.1. Tighten the oil pump mounting bolts in sequence to 10 Nm (89 inch lbs.).
4.2. Tighten the oil pump mounting bolts in sequence to 26 Nm (19 ft. lbs.).

NOTICE: Refer to Fastener Notice in Service Precautions.

5. Install the engine front cover. Refer to Engine Front Cover Replacement.