Hummer H2. Manual — part 1974

2. Remove the A/C belt tensioner bolts.

3. Remove the A/C belt tensioner.

Fig. 13: A/C Compressor Bracket
Courtesy of GENERAL MOTORS CORP.

4. Remove the A/C compressor bracket mounting bolts.

5. Remove the A/C compressor bracket.

2004 Hummer H2

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

Installation Procedure

Fig. 14: A/C Compressor Bracket
Courtesy of GENERAL MOTORS CORP.

1. Install the A/C compressor bracket.

2. Install the A/C compressor bracket mounting bolts.

NOTE:

Refer to Fastener Notice in Cautions and Notices.

2004 Hummer H2

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

Tighten: Tighten the bolts to 50 N.m (37 lb ft).

3. Install the A/C belt tensioner.

4. Install the A/C belt tensioner bolts.

Tighten: Tighten the bolts to 50 N.m (37 lb ft).

5. Install the A/C compressor. Refer to Compressor Replacement .

SEALING WASHER REPLACEMENT

Removal Procedure

2004 Hummer H2

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

Fig. 15: Identifying Sealing Washer
Courtesy of GENERAL MOTORS CORP.

1. Remove the seal washer from the A/C refrigerant component.

2. Inspect the seal washer for signs of damage to help determine the root cause of the failure.

3. Inspect the A/C refrigerant components for damage or burrs. Repair if necessary.

4. Discard the sealing washer.

Installation Procedure

1. Inspect the new seal washer for any signs of cracks, cuts, or damage.

Do not use a damaged seal washer.

2. Remove the cap or tape from the A/C refrigerant components.

IMPORTANT: Cap or tape the open A/C refrigerant components immediately to prevent

system contamination.

IMPORTANT: DO NOT reuse sealing washer.

IMPORTANT: Flat washer type seals do not require lubrication.

2004 Hummer H2

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2