Disassembly Note

Fig 1: Exploded View Of Pump Assembly

Remove and discard the seven pump support seal rings from the pump support.

Fig 2: Removing The Seven Pump Support Seal Rings
Remove the six pump support bolts.

Fig 3: Removing Six Pump Support Bolts
Separate the pump support and body assembly.
1. Remove the pump support.
2. Remove the pump body separator plate gasket.
3. Remove the pump body separator plate.
4. Remove the pump body.
Fig 4: Separating Pump Support And Body Assembly
Remove and discard the pump seal.

Fig 5: Removing Pump Seal
Remove the pump drive gear assembly.
1. Pump drive gear insert.
2. Pump drive gear.
3. Pump driven gear.
  WARNING: Air pressure must not exceed 138 kPa (20 psi). Wear safety glasses when using compressed air. Failure to follow these instructions can result in personal injury.
Fig 6: Removing Pump Drive Gear Assembly
Clean all parts thoroughly in clean solvent and blow dry with moisture-free regulated compressed air.
Inspect the pump body and gears for damage and wear.
1. Driven gear teeth.
2. Drive gear teeth.
3. Gear bore.
4. Crescent.
5. Lubrication passages and holes.
Inspect the pump support apply circuit passages and lubrication passages.

Fig 7: Inspecting Pump Support
1. Rear lube (from cooler TC circuit).
2. Reverse clutch (RC).
3. Direct clutch (DC).
4. Forward clutch (FC).
5. Coast clutch (CC).
6. Converter clutch bypass (CBY).