GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 43181 Quick Connect Connector Removal Tool

Removal Procedure

  1. Drain the engine coolant. Refer to Cooling System Draining and Filling.
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  3. Remove the windshield solvent heater. Refer to Windshield Washer Solvent Heater Replacement.
  4. Remove the windshield washer solvent container. Refer to Windshield Washer Solvent Container Replacement.

  5. Object Number: 362171  Size: SH
  6. Using the J 43181 disconnect the inlet heater hose from the heater core.
  7. 5.1. Install the J 43181 to the heater core pipe.
    5.2. Close the tool around the heater core pipe.
    5.3. Firmly pull the tool into the quick connect end of the heater hose.
    5.4. Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the inlet hose from the heater core.
  8. Using the J 43181 disconnect the surge tank outlet hose from the heater core.
  9. 6.1. Install the J 43181 to the heater core pipe.
    6.2. Close the tool around the heater core pipe.
    6.3. Firmly pull the tool into the quick connect end of the heater hose.
    6.4. Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the surge tank outlet hose from the heater core.
  10. Remove the accumulator. Refer to Air Conditioning Accumulator Replacement.
  11. Move the instrument panel into the service position. Refer to Instrument Panel Service Positioning.
  12. Remove the Radio Front Floor Console Speaker. Refer to Radio Front Floor Console Speaker Replacement
  13. Remove the HVAC module drain hose.
  14. Disconnect the electrical harnesses and the ground connections from the HVAC module assembly.

  15. Object Number: 810832  Size: SH
  16. Remove the nuts (4) from the HVAC module assembly (2).
  17. Remove the bolts (3) from the HVAC module assembly (2).
  18. Remove the HVAC module assembly (2) from the vehicle (1).

Installation Procedure


    Object Number: 810832  Size: SH
  1. If replacing the HVAC module, transfer the components from the old HVAC module as necessary.
  2. Install the HVAC module assembly (2) to the vehicle (1).
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the nuts (4) to the HVAC module assembly (2).
  5. Tighten
    Tighten the nuts to 9 N·m (80 lb in).

  6. Install the bolts (4) to the HVAC module assembly (2).
  7. Tighten
    Tighten the bolts to 4 N·m (35 lb in).

  8. Connect the electrical harnesses and the ground connections.
  9. Install the HVAC module drain hose.
  10. Install the Radio Front Floor Console Speaker. Refer to Radio Front Floor Console Speaker Replacement
  11. Install the instrument panel back into position. Refer to Instrument Panel Service Positioning.
  12. Install the accumulator. Refer to Air Conditioning Accumulator Replacement.

  13. Object Number: 362171  Size: SH
  14. Install the surge tank outlet hose to the heater core.
  15. Important: Firmly push the quick connect onto the heater core pipe until you hear an audible click.

  16. Pull the surge tank outlet hose to ensure the connection.
  17. Install the inlet heater hose to the heater core.
  18. Important: Firmly push the quick connect onto the heater core pipe until you hear an audible click.

  19. Pull the inlet heater hose to ensure the connection.
  20. Install the windshield solvent heater. Refer to Windshield Washer Solvent Heater Replacement.
  21. Install the windshield washer solvent container. Refer to Windshield Washer Solvent Container Replacement.
  22. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  23. Fill the engine coolant. Refer to Cooling System Draining and Filling.