Operation CHARM: Car repair manuals for everyone.

45. Oil Pump Assemble

Oil Pump Assemble

Important: Replace the pressure relief valve spring when reusing the oil pump.





1. Install the following items:
1.1. The pressure relief valve
1.2. The pressure relief spring
1.3. The retaining pin





2. Coat the drive gear, the driven gear and the housing gear surfaces with clean engine oil.
3. Install the drive gear and the driven gear into the pump body. Align the matching marks on the gears. Install the smooth side of the gear toward the pump cover.





4. Install the oil pump cover.

Notice: Refer to Fastener Notice in Service Precautions.

5. Install the oil pump cover bolts.
- Tighten the oil pump cover bolts to 12 Nm (106 inch lbs.).
6. Inspect the oil pump for smoothness of operation by turning the oil pump driveshaft by hand.





Notice: Ensure the oil pump driveshaft is inspected for wear and/or damage, and replaced if necessary. An excessively worn or damaged oil pump driveshaft may fail causing severe engine damage.





7. Install the oil pump driveshaft and the new retainer.