GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Acadia - AWD 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Discharge Hose Replacement

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the right front wheel house liner. Refer to Front Wheelhouse Liner Replacement .
  4. Remove the right front engine splash shield. Refer to Engine Splash Shield Replacement .
  5. Remove right headlamp assembly. Refer to Headlamp Capsule Replacement .
  6. Remove the Fascia Grille Refer to Fascia Grille Replacement .

    7. Object Number: 1861183 Size: SH
  7. Remove the electrical connector from the A/C pressure switch.
  8. Remove the discharge line bolt from the A/C compressor (1).
  9. Disconnect the discharge line from the A/C compressor (3).

    10. Object Number: 1861642 Size: SH
  10. Remove the discharge line to condenser bolt (1).
  11. Disconnect the discharge line from the condenser (3).
  12. Remove the discharge line.
  13. Remove the A/C pressure switch. Refer to Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement .
  14. Remove and discard the discharge line O-rings (2).

Installation Procedure

    Object Number: 1861642 Size: SH
  1. Install new O-rings to the discharge line (2). Refer to O-Ring Replacement .
  2. Connect the discharge line to the condenser (3).

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the discharge line to condenser bolt (1).

    4. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 1861183 Size: SH
  4. Connect the discharge line to the A/C compressor (3).
  5. Install the discharge line bolt to the A/C compressor (1).

    6. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  6. Install the A/C pressure switch and connect the electrical connector.
  7. Install the right front engine splash shield. Refer to Engine Splash Shield Replacement .
  8. Install the right front wheel house liner. Refer to Front Wheelhouse Liner Replacement .
  9. Install the right headlamp assembly. Refer to Headlamp Capsule Replacement
  10. Install the Fascia Grille Refer to Fascia Grille Replacement .
  11. Lower the vehicle.
  12. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  13. Leak test the fittings of the component using J 39400-A .