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.

Procedure

OIL PUMP BODY BUSHING REPLACEMENT Tools Required

Fig. 375: Inspecting 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

OIL PUMP BODY BUSHING REPLACEMENT Tools Required

Fig. 376: View Of 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).

OIL PUMP BODY BUSHING REPLACEMENT Tools Required

Fig. 377: 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.

OIL PUMP BODY BUSHING REPLACEMENT Tools Required

Fig. 378: 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.

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

200

OIL PUMP BODY BUSHING REPLACEMENT Tools Required

Fig. 379: Using J 41778-2

Courtesy of GENERAL MOTORS CORP.

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