Pump Assembly

Pump Assembly

Special Tool(s):

Material:

Disassembly
1. Remove the front pump washer.





2. Remove and discard the front pump O-ring seal from the plate assembly.





3. Remove and discard the front pump seal rings from the stator support.





4. Remove the 11 bolts and separate the pump plate assembly from the pump body.





5. Remove and discard the pump body outer seal.





6. Remove and inspect the inner and the outer pump gears.
^ Clean all pump components in solvent.
^ Dry the parts with compressed air.
^ Inspect the pump gears, faces, gear teeth, pump housing and mating surfaces for damage or scoring.
^ Install a new pump as necessary.





Assembly

1. NOTE: Prior to installation, lightly lubricate the pump gears with clean automatic transmission fluid.

Install the pump gears with the dot facing the pump plate assembly.





2. Install a new pump body outer seal.





3. Assemble the plate assembly and the pump body assembly.
^ Tighten to 15 Nm (11 ft. lbs.)





4. CAUTION: Make sure the seal ends are correctly positioned together and not separated.

Install the 2 front pump seal rings onto the stator support. Make sure the seals are fully seated in the stator support seal grooves and the seal ends are oriented 180° apart.





5. Install the pump outer diameter front pump O-ring seal.





6. NOTE: Lightly lubricate the thrust washer and the bearing with petroleum jelly to hold them in place during assembly.

Install the pump thrust washer.





7. Using the special tool, install the front pump seal.