Operation CHARM: Car repair manuals for everyone.

Mode Valve Assembly Replacement



Mode Valve Assembly Replacement

Removal Procedure




1. Remove the HVAC module.
2. Disconnect the LH air temperature actuator electrical connector.
3. Remove the LH actuator retaining screws.
4. Remove the LH actuator.




5. Disconnect the mode actuator electrical connector.
6. Disconnect the RH air temperature actuator electrical connector.
7. Remove the actuator support bracket retaining screws.
8. Remove the actuator support bracket and actuators.

Notice: Do not remove the TORX screws from the mode valve assembly. Misalignment can cause damage to the film valve.




9. Remove the mode valve assembly retaining screws.




10. Disconnect the HVAC module wiring harness retainer pin (1) from the HVAC module.
11. Disconnect the wiring harness from the heater core cover wire harness retainer (2) and reposition the wiring harness aside.
12. Disconnect the discharge temperature management (DTM) sensor electrical connectors.




13. Remove the heater core cover screws.
14. Remove the heater core cover.




15. Remove the mode valve assembly.

Installation Procedure

Notice: Do not tamper, adjust or disassemble the mode valve assembly. The proper setting of the pretensions on the springs is critical to the film valve function.




1. Install the mode valve assembly.
2. Install the heater core cover.






Notice: Refer to Fastener Notice.

3. Install the heater core cover screws.

Tighten the screws to 1.6 N.m (14 lb in).

4. Connect the wiring harness to the heater core cover wire harness retainer (2).




5. Connect the HVAC module wiring harness retainer pin (1) to the HVAC module.
6. Connect the discharge temperature management (DTM) sensor electrical connectors.




7. Install the mode valve assembly retaining screws.

Tighten the screws to 1.6 N.m (14 lb in).






Important: It may be necessary to gently rotate the RH temperature door to align the actuator support bracket and actuators.

8. Install the actuator support bracket and actuators to the HVAC module.
9. Install the actuator support bracket retaining screws.

Tighten the screws to 1.6 N.m (14 lb in).

10. Connect the RH air temperature actuator electrical connector.
11. Connect the mode actuator electrical connector.
12. Install the LH actuator.
13. Install the LH actuator retaining screws.
14. Connect the LH air temperature actuator electrical connector.




15. Install the HVAC module.