Hummer H2. Manual — part 1832

Fig. 498: Oil Pump Drive Gear
Courtesy of GENERAL MOTORS CORP.

3. Remove the drive gear.

IMPORTANT: Mark or identify the gears for assembly. Refer to Separating Parts .

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

Fig. 499: Oil Pump Driven Gear
Courtesy of GENERAL MOTORS CORP.

4. Remove the driven gear.

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

Fig. 500: Oil Pump Pressure Relief Valve Plug
Courtesy of GENERAL MOTORS CORP.

5. Remove the pressure relief valve plug.

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

Fig. 501: Oil Pump Pressure Relief Valve Spring
Courtesy of GENERAL MOTORS CORP.

6. Remove the pressure relief valve spring.

2004 Hummer H2

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2