Oil Pump: Service and Repair

REMOVAL





1. Disconnect the battery ground cable.
2. Lift-up the vehicle.
3. Remove the under cover.





4. Remove the bolts which install water pipe of oil cooler to oil pump. (Turbo model)





5. Remove the water pipe and hoses between oil cooler and water pump. (Turbo model)
6. Remove the radiator.





7. Remove the crankshaft position sensor.
8. Remove the V-belts.





9. Remove the rear side V-belt tensioner.





10. Remove the crankshaft pulley by using ST.
ST 499977300 CRANKSHAFT PULLEY WRENCH (Turbo model)
ST 499977100 CRANKSHAFT PULLEY WRENCH (Non-Turbo model)
11. Remove the water pump.





12. Remove the crankshaft sprocket.





13. Remove the bolts which install oil pump onto cylinder block.





14. Remove the oil pump by using flat bladed screwdriver.

CAUTION: Be careful not to scratch mating surfaces of cylinder block and oil pump.

INSTALLATION
Install in the reverse order of removal.
Do the following:





1. Apply fluid packing to matching surfaces of oil pump.
Fluid packing: THREE BOND 1215 or equivalent
2. Replace the O-ring with a new one.





3. Apply a coat of engine oil to the inside of the oil seal.
4. Be careful not to scratch oil seal when installing oil pump on cylinder block.
5. Position the oil pump, aligning the notched area with the crankshaft, and push the oil pump straight.

CAUTION: Make sure the oil seal lip is not folded.

6. Install the oil pump.





Tightening torque: 6.4 Nm (0.65 kgf-m, 4.7 ft. lbs.)

DISASSEMBLY





Remove the screws which secure oil pump cover and then disassemble oil pump. Inscribe alignment marks on inner and outer rotors so that they can be replaced in their original positions during reassembly.

CAUTION: Before removing the relief valve, loosen plug when removing the oil pump from cylinder block.

ASSEMBLY





1. Install the front oil seal by using ST.
ST 499587100 OIL SEAL INSTALLER

CAUTION: Use a new oil seal.

2. Apply a coat of engine oil to inner and outer rotors.
3. Install the inner and outer rotors in their original positions.
4. Install the oil relief valve and relief valve spring.
5. Install the oil pump cover.





Tightening torque:
T1: 5 Nm (0.5 kgf-m, 3.6 ft. lbs.)
T2: 44 Nm (4.5 kgf-m, 32.5 ft. lbs.)