GM Service Manual Online
For 1990-2009 cars only

Refrigerant Tubes Replacement Diesel Engine

Removal Procedure

Important: The Left-Hand Drive is Shown. The Right-Hand Drive is Similiar

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1887945  Size: SH
  1. Disconnect the negative battery cable.
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  3. Remove the nut at the discharge hose block connected to the compressor.

  4. Object Number: 1887949  Size: SH
  5. Remove the headlamp housing at the left-hand side. Refer to Headlamp Replacement .
  6. Remove the nut at the condenser connecting block.
  7. Remove the refrigerant discharge hose.

  8. Object Number: 1308333  Size: SH
  9. Remove the air cleaner housing bolts and the air filter housing assembly.
  10. Disconnect the electrical connector at the pressure transducer.
  11. Remove the liquid pipe block-to-expansion valve retaining nut at the fire wall.

  12. Object Number: 1308337  Size: SH
  13. Remove the headlamp housing at the right-hand side. Refer to Headlamp Replacement .
  14. Remove the liquid pipe block-to-receiver dryer retaining nut.

  15. Object Number: 1308338  Size: SH
  16. Remove the bolts which secure the support clamps that hold the liquid pipe to the vehicle.
  17. Remove the liquid pipe from the vehicle.
  18. Cap the opening at the receiver-dryer to prevent contamination.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1308338  Size: SH
  1. Position the liquid pipe into the vehicle.
  2. Install the liquid pipe support clamp bolts.
  3. Tighten
    Tighten the liquid pipe support clamp bolts to 8 N·m (71 lb in).


    Object Number: 1308337  Size: SH
  4. Install a new O-ring on the pipe at the receiver dryer.
  5. Install the liquid pipe block-to-receiver-dryer retaining nut.
  6. Tighten
    Tighten the liquid pipe block-to-receiver-dryer retaining nut to 14 N·m (10 lb ft).

  7. Install the headlamp housing at the right-hand side. Refer to Headlamp Replacement .

  8. Object Number: 1308333  Size: SH
  9. Install the liquid evaporator pipe block retaining nut to the fire wall.
  10. Tighten
    Tighten the liquid pipe block-to-expansion valve retaining nut to 14 N·m (10 lb ft).

  11. Connect the electrical connector at the pressure transducer.
  12. Install the air cleaner housing bolts and the air filter housing assembly.

  13. Object Number: 1887949  Size: SH
  14. Position the refrigerant discharge hose into the vehicle.
  15. Install the nut at the condenser connecting block.
  16. Tighten
    Tighten the refrigerant discharge hose block-to-condenser retaining nuts to 16 N·m (12 lb ft).

  17. Install the headlamp housing at the left-hand side. Refer Headlamp Replacement .

  18. Object Number: 1887945  Size: SH
  19. Install the nut at the discharge hose block connected to the compressor.
  20. Tighten
    Tighten the refrigerant discharge hose block-to-compressor retaining nut to 33 N·m (24 lb ft).

  21. Connect the negative battery cable.
  22. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .

Refrigerant Tubes Replacement Gasoline Engine

Removal Procedure

Important: The Left-Hand Drive is Shown. The Right-Hand Drive is Similiar

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1308335  Size: SH
  1. Disconnect the negative battery cable.
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  3. Remove the nut at the discharge hose block connected to the compressor.

  4. Object Number: 1308336  Size: SH
  5. Remove the headlamp housing at the left-hand side. Refer to Headlamp Replacement .
  6. Remove the nut at the condenser connecting block.
  7. Remove the refrigerant discharge hose.

  8. Object Number: 1308333  Size: SH
  9. Remove the air cleaner housing bolts and the air filter housing assembly.
  10. Disconnect the electrical connector at the pressure transducer.
  11. Remove the liquid pipe block-to-expansion valve retaining nut at the fire wall.

  12. Object Number: 1308337  Size: SH
  13. Remove the headlamp housing at the right-hand side. Refer to Headlamp Replacement .
  14. Remove the liquid pipe block-to-receiver dryer retaining nut.

  15. Object Number: 1308338  Size: SH
  16. Remove the bolts which secure the support clamps that hold the liquid pipe to the vehicle.
  17. Remove the liquid pipe from the vehicle.
  18. Cap the opening at the receiver-dryer to prevent contamination.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1308338  Size: SH
  1. Position the liquid pipe into the vehicle.
  2. Install the liquid pipe support clamp bolts.
  3. Tighten
    Tighten the liquid pipe support clamp bolts to 8 N·m (71 lb in).


    Object Number: 1308337  Size: SH
  4. Install a new O-ring on the pipe at the receiver dryer.
  5. Install the liquid pipe block-to-receiver-dryer retaining nut.
  6. Tighten
    Tighten the liquid pipe block-to-receiver-dryer retaining nut to 14 N·m (10 lb ft).

  7. Install the headlamp housing at the right-hand side. Refer to Headlamp Replacement .

  8. Object Number: 1308333  Size: SH
  9. Install the liquid evaporator pipe block retaining nut to the fire wall.
  10. Tighten
    Tighten the liquid pipe block-to-expansion valve retaining nut to 14 N·m (10 lb ft).

  11. Connect the electrical connector at the pressure transducer.
  12. Install the air cleaner housing bolts and the air filter housing assembly.

  13. Object Number: 1308336  Size: SH
  14. Position the refrigerant discharge hose into the vehicle.
  15. Install the nut at the condenser connecting block.
  16. Tighten
    Tighten the refrigerant discharge hose block-to-condenser retaining nuts to 16 N·m (12 lb ft).

  17. Install the headlamp housing at the left-hand side. Refer Headlamp Replacement .

  18. Object Number: 1308335  Size: SH
  19. Install the nut at the discharge hose block connected to the compressor.
  20. Tighten
    Tighten the refrigerant discharge hose block-to-compressor retaining nut to 33 N·m (24 lb ft).

  21. Connect the negative battery cable.
  22. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .