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