Oil Pump: Service and Repair

Fig. 34 Oil pump disassembled.:

1. Remove oil pan, then the oil pump.
2. Remove oil pump cover, pressure relief spring and spring retaining pin, Fig. 34.
3. Measure gear-to-housing clearance. Minimum clearance is .0039 inch (.1 mm). Maximum clearance is .0094 inch.
4. Measure gear-to-cover clearance. Minimum clearance is .00078 inch (.02 mm). Maximum clearance is .0033 inch (.085 mm).
5. Replace worn components as necessary. Install removed parts.
6. Install pump on cylinder block. Install bolts and torque to 15-18 ft.lbs.
7. Install oil pan using new gasket.