Hummer H2. Manual - part 1785

Fig. 328: Left Closeout Cover & Bolt 
Courtesy of GENERAL MOTORS CORP. 

IMPORTANT:

z

The original oil pan gasket is retained and aligned to the oil pan by 
rivets. When installing a new gasket, it is not necessary to install 
new oil pan gasket rivets.  

 

2004 Hummer H2 

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

  

1. Remove the left closeout cover and bolt. 

Fig. 329: Right Closeout Cover & Bolt 
Courtesy of GENERAL MOTORS CORP. 

2. Remove the right closeout cover and bolt. 

z

DO NOT use the oil pan gasket again. When installing the oil pan, 
install a NEW oil pan gasket.  

z

It is not necessary to remove the oil level sensor prior to oil pan 
removal. Remove the oil level sensor if service is required.  

 

2004 Hummer H2 

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

  

Fig. 330: Oil Level Sensor 
Courtesy of GENERAL MOTORS CORP. 

3. Remove the oil level sensor from the oil pan, if required. 

 

2004 Hummer H2 

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

  

Fig. 331: View Of Oil Pan 
Courtesy of GENERAL MOTORS CORP. 

4. Remove the oil pan bolts.  

5. Remove the oil pan. 

 

2004 Hummer H2 

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