Transmission Fluid Pump Removal. GMC Truck Export GMC P42 Commercial Chassis 2000

For 1990-2009 cars

#### Tools Required

• | J 23129 Universal Seal Remover

• | J 6125-1B Slide Hammer

• | J 37789-A Oil Pump Remover/Installer

1. Remove the turbine shaft front oil seal ring (2).
2. Using the J 23129 and the J 6125-1B , remove the torque converter oil seal assembly (201).
3. Remove the seven oil pump bolt and seal assemblies (3).

Important: Install the J 37789-A so the bottom clamp portion of the tool is located under the oil pump shaft splines.

4. Attach the J 37789-A to the oil pump shaft. Tighten the thumb screw.
5. Turn the handle of the J 37789-A down onto the turbine shaft in order to raise the oil pump assembly (4) out of the case.
6. Remove the oil pump assembly (4).
7. Remove the J 37789-A .
8. Remove the transmission oil pump gasket (6).

Important: The selective thrust washer (218) may be stuck to the pump cover.

9. Remove the selective thrust washer (218).