Oil Pump Body Bushing Replacement

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 41778-1 Pump Body Bushing Installer/Remover. See Special Tools .
J 41778-2 Pump Body Bushing Position Stop. See Special Tools .

Fig 1: Identifying Inspection Areas Of Oil Pump Body

GM1552939

Courtesy of GENERAL MOTORS CORP.

Inspect the oil pump body for the following:
- Worn or damaged bushings
- Foreign material or debris
- Porosity
- Scored or irregular mating faces
- Cross channel leaks

Fig 2: View Of Front Fluid Seal Retainer & Oil Seal Assembly

GM1552941

Courtesy of GENERAL MOTORS CORP.

Remove the front fluid seal retainer (244).
Remove the oil seal assembly (243).

Fig 3: Identifying Pump Body Bushing

GM1552942

Courtesy of GENERAL MOTORS CORP.

Using the J 41778-1 (1) with an arbor press, remove the pump body bushing (242). See Special Tools .

Fig 4: Identifying Pump Body Bushing & Special Tool J 41778-1

GM1552943

Courtesy of GENERAL MOTORS CORP.

Using J 41778-1 (1) with an arbor press, install a new pump body bushing (242). See Special Tools .

Fig 5: Identifying J 41778-2 Special Tool & Pump Body Bushing

GM1552944

Courtesy of GENERAL MOTORS CORP.

Use the J 41778-2 (1) to ensure proper bushing depth. See Special Tools .