Oil Pump Body Bushing Replacement: Replace

WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Inspecting Oil Pump Body

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

Courtesy of GENERAL MOTORS CORP.

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

Fig 3: Identifying Pump Body Bushing

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

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

Courtesy of GENERAL MOTORS CORP.

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