Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Pump Assembly
Fluid Pump and Transmission Fluid Filter Components
| Item | Description |
|---|---|
| 1 | Torque converter |
| 2 | Torque converter housing |
| 3 | Transmission fluid filter |
| 4 | Pump assembly |
| 5 | Pump-to-torque converter housing bolt |
| 6 | Transmission case |
Mechanical Operation
The transmission fluid in the sump area at the bottom of the transmission case flows through a transmission fluid filter to the pump assembly. The pump is bolted to the torque converter housing and is driven by the torque converter hub.
| Item | Description |
|---|---|
| 1 | Stator support |
| 2 | Pump gears |
| 3 | Pump housing |
| 4 | TCC control valve assembly |
| 5 | Main pressure regulator valve assembly |
Mechanical Operation
The pump assembly contains the main pressure regulator valve assembly, the TCC control valve assembly, the stator support and the pump gears.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.