Hummer H2. Manual - part 1712

2. Install the intake manifold sight shield to the retainer. 

Tighten: Tighten the bolt to 10 N.m (89 lb in). 

CRANKCASE VENTILATION HOSES/PIPES REPLACEMENT 

Removal Procedure 

Fig. 52: Identifying PCV Hose 

 

2004 Hummer H2 

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

  

Courtesy of GENERAL MOTORS CORP.

1. Remove the engine sight shield. Refer to Engine Sight Shield Replacement (6.0L (LQ4)) .  

2. Remove the positive crankcase ventilation (PCV) hose from the intake manifold and valve rocker arm 

cover. 

Fig. 53: Throttle Body To Valve Rocker Arm Cover PCV Hose 
Courtesy of GENERAL MOTORS CORP. 

3. Remove the vent hose from the throttle body and the valve rocker arm cover.  

4. Replace the hose as necessary.  

Installation Procedure 

 

2004 Hummer H2 

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

  

Fig. 54: Throttle Body To Valve Rocker Arm Cover PCV Hose 
Courtesy of GENERAL MOTORS CORP. 

1. Install the hose as necessary.  

2. Install the vent hose to the throttle body and the valve rocker arm cover. 

 

2004 Hummer H2 

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

  

Fig. 55: Identifying PCV Hose 
Courtesy of GENERAL MOTORS CORP. 

3. Install the PCV hose to the intake manifold and valve rocker arm cover.  

4. Install the engine sight shield. Refer to Engine Sight Shield Replacement (6.0L (LQ4)) .  

INTAKE MANIFOLD REPLACEMENT 

Removal Procedure 

 

2004 Hummer H2 

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