Hummer H2. Manual — part 1778

Fig. 300: Removing Engine Coolant Air Bleed Pipe, Bolt & Gasket
Courtesy of GENERAL MOTORS CORP.

1. Remove the engine coolant air bleed pipe bolts (309).

2. Remove the pipe (307) with hose and gaskets (308).

2004 Hummer H2

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

Fig. 301: Engine Coolant Air Bleed Cover, Gasket & Bolts
Courtesy of GENERAL MOTORS CORP.

3. Remove the engine coolant air bleed cover bolts (312), covers (313), and gaskets (308).

2004 Hummer H2

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

Fig. 302: View Of Pipe & Cover Gasket
Courtesy of GENERAL MOTORS CORP.

4. Remove the gaskets from the pipe and covers.

5. Discard the gaskets.

2004 Hummer H2

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

Fig. 303: Air Bleed Pipe, Hose & Clamp
Courtesy of GENERAL MOTORS CORP.

6. Remove the hose (311) and clamps (310) from the pipe (307).

ENGINE VALLEY COVER REMOVAL

2004 Hummer H2

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