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