Hummer H2. Manual - part 1408

Fig. 89: Identifying Fan Shroud 
Courtesy of GENERAL MOTORS CORP. 

8. Remove the bolts (4) from the fan shroud (3).  

9. Remove the fan shroud (3) from the vehicle.  

Installation Procedure 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 90: Identifying Fan Shroud 
Courtesy of GENERAL MOTORS CORP. 

1. Install the fan shroud (3) to the vehicle.  

2. Install the bolts (4) to the fan shroud (3). 

Tighten: Tighten the bolts to 9 N.m (80 lb in). 

3. Install the transmission oil cooler line to the fan shroud retainer.  

4. Rotate the slip ring to the original position.  

5. Install the bolt (5) to the fan shroud (3). 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Tighten: Tighten the bolt to 5 N.m (44 lb in).

Fig. 91: Radiator Hose & Radiator (Inlet) 
Courtesy of GENERAL MOTORS CORP. 

6. Install the radiator inlet hose to the fan shroud retainer (3).  

7. Install the air cleaner outlet duct.  

8. Tighten the air cleaner outlet duct clamp at the throttle body. 

Tighten: Tighten the clamp screw to 7 N.m (62 lb in). 

9. Tighten the air cleaner outlet duct clamp at the mass airflow sensor. 

Tighten: Tighten the clamp screw to 7 N.m (62 lb in).

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

RADIATOR REPLACEMENT 

Removal Procedure 

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

Fig. 92: Radiator Hose & Radiator (Inlet) 
Courtesy of GENERAL MOTORS CORP. 

2. Reposition the radiator inlet hose clamp (5) from the radiator (6).  

3. Remove the radiator inlet hose (4) from the radiator (6).  

4. Remove the fan shroud. Refer to Fan Shroud Replacement . 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2