GM Service Manual Online
For 1990-2009 cars only

Liquid Line Replacement LY7

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure


    Object Number: 1570363  Size: SH
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Remove the air cleaner from the vehicle. Refer to Air Cleaner Assembly Replacement.
  3. Disconnect the quick connect fitting at the condenser tube. Refer to Air Conditioning Line/Tube Connector Removal/Replacement.
  4. Disconnect the liquid line from the strut tower retaining clip.

  5. Object Number: 1570765  Size: SH
  6. Remove the wiper motor module assembly. Refer to Windshield Wiper System Module Replacement.
  7. Disconnect the quick connect fitting at the evaporator core. Refer to Air Conditioning Line/Tube Connector Removal/Replacement.
  8. Disconnect the liquid line from the evaporator core.
  9. Remove the liquid line from the vehicle.
  10. Remove and discard the O-ring seals.

Installation Procedure


    Object Number: 1570765  Size: SH
  1. Install new O-rings to the liquid line. Refer to O-Ring Replacement.
  2. Install the liquid line in to the vehicle.
  3. Connect the liquid line to the evaporator core.
  4. Install the A/C quick connect fitting. Refer to Air Conditioning Line/Tube Connector Removal/Replacement.
  5. Install the wiper motor module assembly. Refer to Windshield Wiper System Module Replacement.

  6. Object Number: 1570363  Size: SH
  7. Connect the liquid line to the strut tower retaining clip.
  8. Connect the liquid line to the condenser tube.
  9. Install the A/C quick connect fitting. Refer to Air Conditioning Line/Tube Connector Removal/Replacement.
  10. Install the air cleaner onto the vehicle. Refer to Air Cleaner Assembly Replacement.
  11. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
  12. Using J 39400-A leak test the fittings of the component.

Liquid Line Replacement LH2

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure


    Object Number: 1570363  Size: SH
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Remove the air cleaner from the vehicle. Refer to Air Cleaner Assembly Replacement.
  3. Disconnect the quick connect fitting at the condenser tube. Refer to Air Conditioning Line/Tube Connector Removal/Replacement.
  4. Disconnect the liquid line from the strut tower retaining clip.
  5. Remove the wiper motor module assembly. Refer to Windshield Wiper System Module Replacement.

  6. Object Number: 1570343  Size: SH
  7. Disconnect the quick connect fitting at the evaporator core. Refer to Air Conditioning Line/Tube Connector Removal/Replacement.
  8. Disconnect the liquid line from the evaporator core.
  9. Remove the liquid line from the vehicle.
  10. Remove and discard the O-ring seals.

Installation Procedure


    Object Number: 1570343  Size: SH
  1. Install new O-rings to the liquid line. Refer to O-Ring Replacement.
  2. Install the liquid line in to the vehicle.
  3. Connect the liquid line to the evaporator core.
  4. Install the A/C quick connect fitting. Refer to Air Conditioning Line/Tube Connector Removal/Replacement.
  5. Install the wiper motor module assembly. Refer to Windshield Wiper System Module Replacement.

  6. Object Number: 1570363  Size: SH
  7. Connect the liquid line to the strut tower retaining clip.
  8. Connect the liquid line to the condenser tube.
  9. Install the A/C quick connect fitting. Refer to Air Conditioning Line/Tube Connector Removal/Replacement.
  10. Install the air cleaner from the vehicle. Refer to Air Cleaner Assembly Replacement.
  11. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
  12. Using J 39400-A , leak test the fittings of the component.