Oil Pump Body Bushing Replacement

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: Oil Pump Body
Courtesy of GENERAL MOTORS CORP.
1. 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: Front Fluid Seal Retainer & Oil Seal Assembly
Courtesy of GENERAL MOTORS CORP.
2. Remove the front fluid seal retainer (244).
3. Remove the oil seal assembly (243).
Fig 3: Identifying Pump Body Bushing
Courtesy of GENERAL MOTORS CORP.
4. Using the J 41778-1  (1) with an arbor press, remove the pump body bushing (242). See Special Tools .
Fig 4: Installing Pump Body Bushing
Courtesy of GENERAL MOTORS CORP.
5. Using J 41778-1  (1) with an arbor press, install a new pump body bushing (242). See Special Tools .
Fig 5: Using J 41778-2
Courtesy of GENERAL MOTORS CORP.
6. Use the J 41778-2  (1) to ensure proper bushing depth. See Special Tools .