Hummer H2. Manual - part 1784

Fig. 324: Valve Lifters & Lifter Guides 
Courtesy of GENERAL MOTORS CORP. 

4. Remove the valve lifters from the guide.  

5. Organize or mark the components so that they can be installed in the same location from which they were 

removed. Refer to Separating Parts .  

OIL FILTER, ADAPTER AND PAN COVER REMOVAL 

 

2004 Hummer H2 

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

  

Fig. 325: View Of Engine Oil Filter 
Courtesy of GENERAL MOTORS CORP. 

1. Remove the oil filter. 

 

2004 Hummer H2 

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

  

Fig. 326: Oil Pan Cover, Bolts & Gasket 
Courtesy of GENERAL MOTORS CORP. 

2. Remove the oil pan cover (434), bolts (435), and gasket (433).  

3. Discard the gasket. 

 

2004 Hummer H2 

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

  

Fig. 327: Oil Filter Fitting & Bypass Valve 
Courtesy of GENERAL MOTORS CORP. 

4. Remove the oil filter fitting (438) and bypass valve (436), if required.  

OIL PAN REMOVAL 

 

2004 Hummer H2 

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