Overhaul

DISASSEMBLY
Follow disassembly steps outlined in illustration.

Disassembly Service Points





[A] Drive Pulley Removal (1).
Use the special tool to secure the drive pulley, and then remove the drive pulley mounting nuts.

REASSEMBLY
Assembly in reverse order as Disassembly.

Assembly Service Points





]A[ Oil Seal Installation (20).





]B[ Drive Shaft Assembly Installation (19).
Use the special tool to press-fit the drive shaft assembly.





]C[ O-rings Installation (10, 12, 16 & 18).
Apply specified fluid on O-rings.





Specified fluid: Automatic transmission Fluid "DEXRON II"





]D[ Pressure Switch Assembly Installation (15).
Fit the spring to the oil pump body with the larger diameter end at the terminal assembly side.





]E[ Rotor Installation (8).
Install the rotor to the pulley assembly so that the rotor's punch mark is at the pump cover side.





]F[ Cam Ring Installation (7).
Install the cam ring with the punch mark facing the side plate.





]G[ Vane Installation (6).
Install the vanes on the rotor, paying close attention to the installation direction.





]H[ Drive Pulley Installation (1).
Use the special tool to secure the drive pulley, and then install the drive pulley mounting nuts.

INSPECTION
- Check the flow control valve for clogging.
- Check the shaft for wear or damage.
- Check the groove of rotor and vane for "stepped" wear.
- Check the contact surface of cam ring and vanes for "stepped" wear.
- Check the vanes for damage.