Oil Pump: Service and Repair
REMOVAL AND INSTALLATION1. Drain engine oil.
2. Drain engine coolant from drain plug on radiator.
3. Remove air duct (from mass air flow sensor to throttle body).
4. Remove cooling fan.
5. Remove radiator hoses (upper and lower) and fan shroud.
6. Remove drive belts.
7. Remove crankshaft pulley and front upper and lower belt covers.
8. Remove oil pan.
9. Remove oil strainer.
10. Remove oil pump assembly.
DISASSEMBLY AND ASSEMBLY
- Always replace with new oil seal and gasket.
- When installing oil pump, apply engine oil to inner and outer gears.
- Be sure that 0-ring is properly installed.
INSPECTION
Unit: Mm (inch):
Using a feeler gauge, straightedge and micrometers, check the following clearances:
- If the tip clearance (2) exceeds the limit, replace gear set.
- If body to gear clearances (1, 3, 4, 5) exceed the limit, replace oil pump body 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 smoothly into the valve hole by its own weight.
If damaged, replace regulator valve set or oil pump assembly.
OIL FILTER
The oil filter is a small, full-flow cartridge type and is provided with
relief valve.
- The new and previous oil filter designs differ from each other and are not interchangeable.
- Use Tool KV10115801 (J38956) for removing oil filter.
OIL FILTER BRACKET
1. Remove oil filter.
2. Disconnect oil pressure switch and connector.
3. Remove oil filter bracket.