Hummer H2. Manual — part 1976
Fig. 19: Identifying A/C Line Fittings
Courtesy of GENERAL MOTORS CORP.
7. Assemble the A/C components.
Refer to the appropriate repair procedure.
z
For compression style fittings use a back up wrench on the fitting (2) and tighten the fitting nut (1)
to specification.
z
For banjo style fittings install the bolt retaining the banjo type fitting and tighten to specification.
DISCHARGE HOSE REPLACEMENT
2004 Hummer H2
2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2
Tools Required
J 39400-A Halogen Leak Detector. See Special Tools and Equipment .
Removal Procedure
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
2. Disconnect the electrical connector from the A/C recirculation switch.
3. Remove the A/C recirculation switch from the A/C discharge hose.
Fig. 20: Discharge Hose & A/C Compressor
2004 Hummer H2
2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2
Courtesy of GENERAL MOTORS CORP.
4. Remove the discharge hose bolt (6) from the A/C compressor (4).
5. Remove the discharge hose (5) from the A/C compressor (4).
Fig. 21: Discharge Hose Nut & Condenser
Courtesy of GENERAL MOTORS CORP.
6. Remove the discharge hose nut (1) from the condenser (2).
2004 Hummer H2
2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2
7. Remove the discharge hose (3) from the condenser (2).
8. Remove the discharge hose (3) from the vehicle.
9. Discard all of the used sealing washers.
10. Cap all of the A/C system openings.
Installation Procedure
1. Install the new sealing washers. Refer to Sealing Washer Replacement
2004 Hummer H2
2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2
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