Oil Pump: Service and Repair

REMOVAL AND INSTALLATION
1. Remove timing chain.
2. Remove oil pump assembly.
3. Reinstall any parts removed in reverse order of removal.
After installing oil pump, make sure drive gear turns smoothly by hand.

INSPECTION
If it exceeds the limit, replace gear set or entire oil pump assembly.





















REGULATOR VALVE INSPECTION
1. Visually inspect components for wear and damage.
2. Check oil pressure regulator valve sliding surface and valve spring.
3. Coat regulator valve with engine oil. Check that it falls freely into the valve hole by its own weight.





4. Check regulator valve to oil pump cover clearance.
Standard clearance:
(L): 0.040 - 0.097 mm (0.0016 - 0.0038 inch)
If damaged, replace regulator valve set or oil pump assembly.