The transmission pump is a hydraulic pump that circulates transmission fluid trough the transmission and its cooling system. It also builds the hydraulic pressure necessary for the transmission to operate.
Symptoms of Wear or Failure
- Abnormal whine type noise
- Transmission fluid leak
Related Repair Advice
- A clogged transmission pan filter can restrict fluid flow to the pump, possibly damaging it
- If the front pump seal is being replaced, the sealing surface on the torque convertor should be inspected for damage. A damaged sealing surface could damage the newly installed pump seal.