Oil Pump: Service and Repair

REMOVAL





1. Disconnect battery ground cable.
2. Lift-up the vehicle.





3. Remove under cover.





4. Drain coolant.
5. Lower the vehicle.





6. Remove radiator.





7. Remove crankshaft position sensor.





8. Remove V-belts.





9. Remove rear side V-belt tensioner.





10. Remove crankshaft pulley by using ST.
ST 499977100 CRANKSHAFT PULLEY WRENCH





11. Remove water pump.





12. Remove timing belt guide. (MT vehicles only)





13. Remove crankshaft sprocket.





14. Remove bolts which install oil pump onto cylinder block.





15. Remove 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 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 oil pump.

Tightening torque: 6.4 Nm (65 kg-m 4.7 ft. lbs.)

DISASSEMBLY





Remove screws which secure oil pump cover and 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 relief valve, loosen plug when removing oil pump from cylinder block.

ASSEMBLY





1. Install 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 inner and outer rotors in their original positions.
4. Install oil relief valve and relief spring.





5. Install oil pump cover.

Tightening torque:
T1: 5 Nm (0.5 kg-m, 3.6 ft. lbs.)
T2: 44.1 Nm (4.5 kg-m, 32.5 ft. lbs.)