Transmission Oil Pump Assembly Removal

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2005 GMC Yukon XL, 2005 GMC Sierra, 2005 GMC Savana Special, 2005 GMC Savana Camper Special, and 2005 GMC Savana. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 23129 Universal Seal Remover. See Special Tools .
J 6125-1B Slide Hammer. See Special Tools .
J 45053 Universal Clamp Press. See Special Tools .

Fig 1: View Of Turbine Shaft Front Oil Seal Ring

Courtesy of GENERAL MOTORS CORP.

Remove the turbine shaft front oil seal ring (2).

Fig 2: Removing Torque Converter Oil Seal Assembly

Courtesy of GENERAL MOTORS CORP.

Using the J 23129 and the J 6125-1B , remove the torque converter oil seal assembly (201). See Special Tools .

Fig 3: Removing Oil Pump Bolts & Oil Pump Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the 7 oil pump bolt and seal assemblies (3).
Attach the J 45053 to the oil pump shaft. See Special Tools . Tighten the bolts.
Turn the handle of the J 45053 down onto the turbine shaft in order to raise the oil pump assembly (4) out of the case. See Special Tools .
Remove the oil pump assembly (4).
Remove the J 45053 . See Special Tools .

Fig 4: Removing Transmission Oil Pump Gasket & Selective Thrust Washer

Courtesy of GENERAL MOTORS CORP.

Remove the transmission oil pump gasket (6).

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

Remove the selective thrust washer (218).