GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Grand Prix 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Air Conditioning Compressor Hose Replacement

Air Conditioning Compressor Hose Replacement LS4

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 5.3L engine.

    3. Object Number: 1615544 Size: SH
  3. Remove the A/C compressor hose nut from the compressor hose block to the evaporator tube.
  4. Remove the A/C compressor hose from the evaporator tube.

    5. Object Number: 1615548 Size: SH
  5. Remove the A/C compressor hose nut from the condenser.
  6. Disconnect the A/C compressor hose from the condenser.

    7. Object Number: 1615551 Size: SH
  7. Remove the A/C compressor hose nut from the A/C compressor.
  8. Remove the A/C compressor hose from the A/C compressor.
  9. Remove and discard all sealing washers.

Installation Procedure
  1. Install new sealing washers onto the A/C compressor hose assembly. Refer to Sealing Washer Replacement.

    2. Object Number: 1615551 Size: SH
  2. Install the A/C compressor hose to the A/C compressor.

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

  3. Install the A/C compressor hose nut to the A/C compressor.

    4. Tighten
    Tighten the nut to 17 N·m (13 lb ft).


    Object Number: 1615548 Size: SH
  4. Install the A/C compressor hose to the condenser.
  5. Install the A/C compressor hose nut to the condenser.

    6. Tighten
    Tighten the nut to 17 N·m (13 lb ft).


    Object Number: 1615544 Size: SH
  6. Install the A/C compressor hose to the evaporator tube.
  7. Install the A/C compressor hose to evaporator tube nut.

    8. Tighten
    Tighten the nut to 17 N·m (13 lb ft).

  8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 5.3L engine.
  9. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
  10. Leak test the fittings of the component using J 39400-A .

Air Conditioning Compressor Hose Replacement L26, L32

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 3.8L engine.

    3. Object Number: 1204150 Size: SH
  3. Remove the A/C compressor hose nut from the condenser.
  4. Disconnect the A/C compressor hose from the condenser.

    5. Object Number: 1204149 Size: SH
  5. Remove the A/C compressor hose nut from the compressor hose block to the evaporator tube.
  6. Remove the A/C compressor hose from the evaporator tube.

    7. Object Number: 1199944 Size: SH
  7. Remove the A/C compressor hose nut from the A/C compressor.
  8. Remove the A/C compressor hose from the A/C compressor.
  9. Remove and discard all sealing washers.

Installation Procedure
  1. Install new sealing washers onto the A/C compressor hose assembly. Refer to Sealing Washer Replacement .
  2. Install the A/C compressor hose to the A/C compressor.

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


    Object Number: 1199944 Size: SH
  3. Install the A/C compressor hose nut to the A/C compressor.

    4. Tighten
    Tighten the nut to 17 N·m (13 lb ft).

  4. Install new seals washers to the A/C compressor hose assembly and evaporator tube. Refer to Sealing Washer Replacement .

    5. Object Number: 1204149 Size: SH
  5. Install the A/C compressor hose to the evaporator tube.
  6. Install the A/C compressor hose to evaporator tube nut.

    7. Tighten
    Tighten the nut to 17 N·m (13 lb ft).


    Object Number: 1204150 Size: SH
  7. Install the A/C compressor hose to the condenser.
  8. Install the A/C compressor hose nut to the condenser.

    9. Tighten
    Tighten the nut to 17 N·m (13 lb ft).

  9. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 3.8L engine.
  10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  11. Leak test the fittings of the component using J 39400-A .