Hummer H2. Manual - part 1879

Fig. 668: Air Bleed Pipe, Bolts & Gasket 
Courtesy of GENERAL MOTORS CORP. 

2. Install the pipe (307) and gaskets (308) onto the cylinder heads. 

3. Install the pipe bolts (309). 

Tighten: Tighten the pipe bolts to 12 N.m (106 lb in).

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

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

  

Fig. 669: Engine Coolant Air Bleed Cover, Gasket & Bolts 
Courtesy of GENERAL MOTORS CORP. 

4. Install the covers (313), gaskets (308), and bolts (312) onto the rear of the engine. 

Tighten: Tighten the cover bolts to 12 N.m (106 lb in).

 

2004 Hummer H2 

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

  

Fig. 670: Air Bleed Pipe, Hose & Clamp 
Courtesy of GENERAL MOTORS CORP. 

5. Install the hose (311) and clamps (310) onto the pipe (307).  

INTAKE MANIFOLD INSTALLATION 

 

2004 Hummer H2 

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

  

Fig. 671: Intake Manifold-To-Cylinder Head Gasket 
Courtesy of GENERAL MOTORS CORP. 

1. Install NEW intake manifold-to-cylinder head gaskets (514). 

IMPORTANT:

z

The intake manifold, throttle body, fuel injection rail and fuel 
injectors may be removed as an assembly. If not servicing the 
individual components, install the intake manifold as a complete 
assembly.  

z

DO NOT use the old intake manifold gaskets again. Install NEW 
intake manifold-to-cylinder head gaskets.  

 

2004 Hummer H2 

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