Removal
1. Remove the delivery hose from the oil pump.
2. Disconnect the suction hose and drain the working fluid into a container.
3. Loosen the tensioner mounting nut and adjusting bolt, and then remove the rubber V-belt (for V6 Engine).
4. Loosen the oil pump mounting bolts to remove the V-belt (for DOHC engines).
5. Loosen the oil pump bracket mounting bolt and disconnect the pressure sensor connecting element.
Disassembly
1. Remove the suction pipe connector and ring from the oil pump.
2. Remove the back cover with gasket and pins.
3. Remove the eccentric ring.
4. Remove the rotor and blades.
5. Remove the front plate.
6. Remove the inner and outer O-rings.
7. Remove the spring.
Note: A new gasket and O-ring must be installed during assembly.
8. Remove the pulley nut and spring washer.
9. Knock out the pulley and woodruff key.
10. Remove the split retaining ring using special pliers.
11. Remove the pulley shaft and bearing. If necessary, you can use a plastic hammer for this chain.
12. Remove the oil seal from the oil pump housing.
Note: A new oil seal must be installed during assembly.
13. Remove the connecting element from the oil pump body and then remove the valve and spring.
14. Remove the O-ring from the connector.
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Warning: Do not disassemble the valve.
15. Remove the oil pump pressure sensor.
16. Remove the spring and valve core.
17. Remove the O-ring from the pressure sensor.
Examination
1. Clean all disassembled parts with an appropriate solvent.
2. If any part of the oil pump is found to be damaged, the entire pump must be replaced.
3. If the pulley is found to be defective, replace it.
4. If oil leaks are detected through the pulley shaft seal, replace the seal.
5. If the teeth on the pulley or pulley shaft are deformed or worn, these parts should be replaced.
Assembly
1. Install the oil pump switch.
2. Install the flow control valve spring, valve itself and coupling device into the pump body.
Note: Apply a thin coat of ATP DEXRON II type compound to all parts including the seal and O-ring.
3. Using a special tool (09222-32100) install the seal into the pump body.
4. Carefully insert the shaft into the assembly and install the snap ring.
5. Install the pump drive pulley together with the woodruff key into place.
6. Install the spring, inner and outer O-rings.
7. Install the front side plate.
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8. Insert your fingers into the recess of the front housing, then install the eccentric ring, paying attention to the direction of these elements.
9. Install the rotor so that the mark faces the front of the side plate.
10. Position the blades so that their rounded ends face outward.
11. Install the gasket and back cover.
12. Secure the suction connector.
Installation
1. Place the oil pump on the bracket.
2. Install the suction hose.
3. Install the toothed V-belt and adjust its tension.
4. Connect the discharge hose to the oil pump and the suction hose to the oil tank.
Note: Install the hoses so that they are not twisted or in contact with any other part of the vehicle.
5. Add oil to the tank to the required level.
- Recommended oil: ATF DEXRON II type
6. Bleed the system to remove air from it.
7. Check the pressure developed by the oil pump.
8. Tighten all parts to the required torque.