Question about 2004 Chevrolet Monte Carlo

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Duel temp control passenger side does not blow hot. Cold only. Driver side works fine

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  • 50rocket88 Oct 08, 2010

    It started working ok for a couple of days. Now it's stuck on hot. Same solution?

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  • 335 Answers

Hello and welcome. this vehicle uses two electric motors called door actautors. these actuators move the passenger and drivers temp doors to ajust temps from hot to cold, and cold to hot. the actuator for the passenger side is causing your problem. you will need to replace the passenger side actuator. just a note, do not plug in the actuator until it has been installed.

ubder the passenger side of dash you will see a plastic cover called a insulator. remove this cover, after that you will need to remove the glove box, then you will be able to gain access to the actuator.

  • Release the insulator retainers from the lower I/P trim pad. Lower the insulator.
  • Rotate the courtesy lamp socket counterclockwise. Remove socket from the insulator.
  • Remove the insulator.

  • Remove the screws from the instrument panel (I/P) compartment.
  • Open the I/P compartment.
  • Depress the side stops located on the sides of the I/P compartment.
  • Carefully remove the I/P compartment.

  • Disconnect the electrical connector from the right air temperature actuator.
  • Remove the screws retaining the right air temperature actuator (2).
  • Remove the right air temperature actuator from the HVAC module assembly.
  • Position the right air temperature actuator (2). Align the slots in the electric actuator driver to the flats on the shaft.
  • Align the locating hole to the alignment pin on the HVAC module case.
  • Slide the actuator on the shaft. The actuator driver should seat completely onto the shaft and the mounting holes should be flush with the mounting screws on the HVAC module case.


  • Duel temp control passenger side does not blow - 750d420.gif76cda64.gif

    Posted on Oct 04, 2010

    • Frank Ferree Oct 04, 2010

      the passenger side actuator is in the bottom picture and is numbered 2. if there is anything you dont understand, please feel free to ask me to explain

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