Oil Pump: Service and Repair

Oil Pump Replacement

Removal Procedure

1. Remove the engine oil pan.





2. Remove the balance shaft chain cover.





3. Remove the balance shaft chain tensioner assembly.
4. Remove the oil pump cover.
5. Remove the oil pump.

Installation Procedure

1. Install the oil pump.

Notice: Refer to Fastener Notice in Service Precautions.





2. Install the oil pump cover to balance shaft housing.
Tighten the bolts to 54 Nm (40 ft. lbs.).
3. Install the balance shaft chain tensioner.

Important: A brass feeler gauge needs to be used to ensure correct measurements are obtained. If a steel gauge is used, it will not bend to conform to the guide and will not allow for correct measurements.

4. Adjust the balance shaft drive chain tension by inserting a 1 mm (0.40 inch). Brass feeler gauge between the chain guide and the chain.
5. Press the guide against the chain using about 3 pounds of force.
6. Tighten the chain tensioner.
Tighten the bolt to 10 Nm (89 inch lbs.).
7. Install the oil pan gasket and the oil pan.