Mode Actuator 2004 Buick Rainer CXL AWD

2004 Buick Rainer

I can’t get the A/C or Heat to come out the front vents. The vents are open, it will work on windshield, floor, and back vents. I have checked the fuses and none are blown. What do u advise? If not to complicated I would like to do it myself. Also what part would I need and what would that be called?
Thank You,
Velda


This sounds to me like a failed mode door actuator. Its failure is so common that Dorman has come up with a better direct replacement version.
Part you will need: Dorman 604-110 Air Door Mode Actuator
mode acuator

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Mode Actuator Replacement

Removal Procedure

  • Remove the left side sound insulator screws.
  • Remove the left hand floor duct.

Mode Actuator 2004 Buick Rainer

  • Disconnect the electrical connector from the mode door actuator.
  • Remove the screws from the mode actuator (1).
  • Remove the mode door actuator.

Installation Procedure

Important The new actuator is in Bi-Level mode. Place the door in the middle of the travel position before you install the actuator.

  • Install the mode actuator (1).
  • Install the screws to the mode door actuator (1).

Tighten
Tighten the screws to 1.9 N·m (18 lb in).

  • Install the left hand floor duct.
  • Install the left side sound insulator screws.
  • Recalibrate the mode actuator.

1 thought on “Mode Actuator 2004 Buick Rainer CXL AWD”

  1. Howard B Hotchkiss

    trying to place the mode door in the middle of its travel position, but it won’t stay in position. Just flops right back to where it is. How do I hold its position in order to install the mode activator ????

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