Hummer H2. Manual - part 1973

Fig. 9: A/C Belt Tensioner 
Courtesy of GENERAL MOTORS CORP. 

4. Install a ratchet into the air conditioning (A/C) belt tensioner adapter opening.  

5. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.  

6. Remove the A/C belt from the A/C compressor.  

7. Slowly release the tension on the A/C belt tensioner. 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

Fig. 10: Exploded View Of Compressor Clutch Plate Assembly 
Courtesy of GENERAL MOTORS CORP. 

8. Remove the clutch plate retaining bolt (1).  

9. Remove the clutch plate assembly (2).  

10. Remove the clutch hub/bearing snap ring (3).  

11. Remove the clutch hub/bearing assembly (4).  

12. Remove the snap ring (5) from the clutch coil (6).  

13. Remove the clutch coil (6) from the A/C compressor (7).  

Installation Procedure 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

Fig. 11: Exploded View Of Compressor Clutch Plate Assembly 
Courtesy of GENERAL MOTORS CORP. 

1. Install the clutch coil (6) to the A/C compressor (7).  

2. Install the snap ring (5) to the clutch coil (6).  

3. Install the clutch hub/bearing assembly (4).  

4. Install the clutch hub/bearing snap ring (3).  

5. Install the clutch plate assembly (2). 

6. Install the clutch plate retaining bolt (1). 

Tighten: Tighten the bolt to 18 N.m (13 lb ft).

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

Fig. 12: A/C Belt Tensioner 
Courtesy of GENERAL MOTORS CORP. 

7. Install a ratchet into the A/C belt tensioner adapter opening.  

8. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.  

9. Install the A/C belt to the A/C compressor.  

10. Slowly release the tension on the A/C belt tensioner.  

11. Remove the ratchet from the A/C belt tensioner.  

12. Install the engine protection shield.  

13. Install the bolts to the engine protection shield. 

Tighten: Tighten the bolt to 30 N.m (22 lb ft). 

14. Lower the vehicle.  

COMPRESSOR MOUNTING BRACKET REPLACEMENT 

Removal Procedure 

1. Remove the A/C compressor. Refer to Compressor Replacement . 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2