Hummer H2. Manual - part 1401

Fig. 61: Air Cleaner Outlet Duct 
Courtesy of GENERAL MOTORS CORP. 

4. Install the air cleaner outlet duct.  

5. Install the air cleaner outlet duct clamps at the throttle body and at the Mass airflow (MAF) sensor. 

Tighten: Tighten the air cleaner outlet duct clamp screws to 7 N.m (62 lb in). 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

6. Fill the cooling system. Refer to Draining and Filling Cooling System  

COOLANT AIR BLEED PIPE ASSEMBLY REPLACEMENT 

Removal Procedure 

1. Drain the cooling system. Refer to Draining and Filling Cooling System .  

2. Remove the generator. Refer to Generator Replacement in Engine Electrical. 

Fig. 62: Coolant Air Bleed Pipe & Gaskets 
Courtesy of GENERAL MOTORS CORP. 

3. Remove the coolant air bleed pipe bolts (1).  

4. Remove the coolant air bleed pipe (2) with gaskets (3). 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 63: Pipe & Cover Gasket 
Courtesy of GENERAL MOTORS CORP. 

5. Remove the gaskets from the coolant air bleed pipe and covers.  

6. Discard the gaskets. 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 64: Coolant Air Bleed Hose & Pipe 
Courtesy of GENERAL MOTORS CORP. 

7. Remove the coolant air bleed hose (1) from the pipe (2).  

Installation Procedure 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2