GM Service Manual Online
For 1990-2009 cars only

Mode Valve Actuator Replacement W/D07

Removal Procedure

Notice: In order to avoid actuator damage, DO NOT apply power to the actuator when it is not installed in the HVAC module.


    Object Number: 363014  Size: SH
  1. Remove the floor air outlet duct extension (1) from the floor duct (2).
  2. Remove the center console. Refer to Console Replacement .
  3. Remove the screws from the center console duct.
  4. Remove the center console duct.

  5. Object Number: 372310  Size: SH
  6. Disconnect the electrical connection from the mode actuator (10).

  7. Object Number: 375683  Size: SH
  8. Remove the mode actuator mounting screws from the HVAC module.
  9. Remove the mode actuator as an assembly with the actuator cam.

Installation Procedure


    Object Number: 375683  Size: SH
  1. Install the mode actuator as an assembly with the actuator cam.
  2. • Line up the heater/defroster valve lever with the mode actuator cam slot.
    • Line up the A/C valve lever with the mode actuator cam.

    Notice: Refer to Fastener Notice in the Preface section.

  3. Install the mode actuator mounting screws to the HVAC module.
  4. Tighten
    Tighten the screws to 1.6 N·m (14 lb in).


    Object Number: 372310  Size: SH
  5. Connect the electrical connection at the mode actuator (10).

  6. Object Number: 363014  Size: SH
  7. Install the center console duct.
  8. Install the screws to the center console duct.
  9. Tighten
    Tighten the screws to 1.6 N·m (14 lb in).

  10. Install the center console. Refer to Console Replacement .
  11. Install the floor air outlet duct extension (1) to the floor air duct (2).

Mode Valve Actuator Replacement Without D07

Removal Procedure

Notice: In order to avoid actuator damage, DO NOT apply power to the actuator when it is not installed in the HVAC module.


    Object Number: 363014  Size: SH
  1. Remove the floor air outlet duct extension (1) from the floor duct (2).
  2. Remove the body control module. Refer to Body Control Module Replacement .

  3. Object Number: 372310  Size: SH
  4. Disconnect the electrical connection at the mode actuator (10).

  5. Object Number: 375683  Size: SH
  6. Remove the mode actuator mounting screws from the HVAC module.
  7. Remove the mode actuator as an assembly with the actuator cam.

Installation Procedure


    Object Number: 375683  Size: SH
  1. Install the mode actuator as an assembly with the actuator cam.
  2. • Line up the heater/defroster lever with the mode actuator cam slot.
    • Line up the A/C lever with the mode actuator cam.

    Notice: Refer to Fastener Notice in the Preface section.

  3. Install the mode actuator mounting screws to the HVAC module.
  4. Tighten
    Tighten the screws to 1.6 N·m (14 lb in).


    Object Number: 372310  Size: SH
  5. Connect the electrical connection at the mode actuator (10).

  6. Object Number: 363014  Size: SH
  7. Install the body control module. Refer to Body Control Module Replacement .
  8. Install the floor air outlet duct extension (1) to the floor air duct (2).