Hummer H3. Manual — part 1268

Fig. 18: Suction Hose Replacement (Right Hand Drive)
Courtesy of GENERAL MOTORS CORP.

Suction Hose Replacement (Right Hand Drive)

Callout

Component Name

Preliminary Procedure

1. Recover the A/C system. Refer to Refrigerant Recovery and Recharging.

2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .

3. Remove the left front wheelhouse panel. Refer to Wheelhouse Panel Replacement

(Front) or Wheelhouse Panel Replacement (Rear) .

1

A/C Compressor Tube Assembly Nut

Procedure:
Remove and discard the sealing washer. Refer to Sealing Washer
Replacement.

NOTE:

Refer to Fastener Notice .

2007 Hummer H3

2007 HVAC Heating, Ventilation and Air Conditioning - H3

EVAPORATOR TUBE REPLACEMENT (LEFT HAND DRIVE)

Fig. 19: Evaporator Tube Replacement (Left Hand Drive)
Courtesy of GENERAL MOTORS CORP.

Evaporator Tube Replacement (Left Hand Drive)

Tighten: 16 N.m (12 lb ft)

2

A/C Compressor Tube Assembly Bolt
Procedure:
Remove and discard the sealing washer. Refer to Sealing Washer
Replacement.

Tighten: 16 N.m (12 lb ft)

3

A/C Compressor Tube Assembly

Callout

Component Name

Preliminary Procedure

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .

2007 Hummer H3

2007 HVAC Heating, Ventilation and Air Conditioning - H3

EVAPORATOR TUBE REPLACEMENT (RIGHT HAND DRIVE)

Fig. 20: Evaporator Tube Replacement (Right Hand Drive)
Courtesy of GENERAL MOTORS CORP.

3. Remove the grille. Refer to Grille Replacement .

1

Evaporator Tube and Condenser Nut

Tighten: 28 N.m (21 lb ft)

NOTE:

Refer to Fastener Notice .

2

Sealing Washer - Refer to Sealing Washer Replacement.

3

Thermal Expansion Valve Nut

Tighten: 9 N.m (80 lb in)

4

Sealing Washer - Refer to Sealing Washer Replacement.

5

Tube Assembly - A/C Condenser and A/C Evaporator

2007 Hummer H3

2007 HVAC Heating, Ventilation and Air Conditioning - H3

Evaporator Tube Replacement (Right Hand Drive)

COMPRESSOR RELAY REPLACEMENT

Tools Required

J 43244 Relay Puller Pliers

Removal Procedure

1. Remove the electrical center cover.

2. Locate the compressor relay. Refer to Electrical Center Identification Views to locate the

electrical center where the compressor relay exists.

Callout

Component Name

Preliminary Procedure

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

2. Remove the battery. Refer to Battery Replacement .

3. Remove the grille. Refer to Grille Replacement .

1

Thermal Expansion Valve Nut

Procedure:
Remove and discard the sealing washer. Refer to Sealing Washer
Replacement.

Tighten: 9 N.m (80 lb in)

NOTE:

Refer to Fastener Notice .

2

Evaporator Tube and Condenser Retainer

3

Evaporator Tube and Condenser Nut
Procedure:
Remove and discard the sealing washer. Refer to Sealing Washer
Replacement.

Tighten: 28 N.m (21 lb ft)

4

Tube Assembly - A/C Condenser and A/C Evaporator

2007 Hummer H3

2007 HVAC Heating, Ventilation and Air Conditioning - H3