Oil Pump Body Assemble

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 25016 Pump Seal and Speedometer Gear Installer. See Special Tools .
J 36850 Transjel Lubricant

Fig 1: Oil Seal Assembly

Courtesy of GENERAL MOTORS CORP.

Using the J 25016 (1), install the oil seal assembly (243). See Special Tools .

Fig 2: View Of Fluid Seal Retainer

Courtesy of GENERAL MOTORS CORP.

Install the fluid seal retainer (244).

Fig 3: O-Ring Seal And Oil Seal Ring

Courtesy of GENERAL MOTORS CORP.

Install an O-ring seal (202) and oil seal ring (201) into the groove on the back side of the pump slide (203).
Use J 36850 , or an equivalent, to retain the seal and the ring on the slide.
Install the pivot pin spring (204) into the pump body pocket.
Install the seal support (208) and the pump slide seal (209) into the pump slide (203). Retain with J 36850 or equivalent.
Install the pump slide (203).
The oil seal ring must face downward into the pump pocket.
Install the pivot pin (205), index the slide notch with the pivot pin.

Fig 4: Fluid Pump Slide Outer Spring

Courtesy of GENERAL MOTORS CORP.

Install the fluid pump slide outer spring (245).

Fig 5: Pump Vane Ring, Rotor Guide & Rotor

Courtesy of GENERAL MOTORS CORP.

Install the rotor guide (211) and the bottom pump vane ring (210) into the rotor (212) and retain with J 36850 or an equivalent.
Install the rotor (212) with the rotor guide (211) toward the pump pocket.
Install the pump vanes (213). Ensure the vanes are flush with the oil pump body surface.
Install the top pump vane ring (210).