GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 604730  Size: SH
  1. Remove the instrument panel I/P trim pad. Refer to Instrument Panel Trim Pad Replacement in Instrument Panel, Gages, and Console.
  2. Important: Note the location of the hoses.

  3. Disconnect the yellow vacuum hose (1) and red vacuum hose (2) from the mode actuator.

  4. Object Number: 604614  Size: SH
  5. Remove the recirculation actuator.
  6. 2.1. Lift the actuator lock tab.
    2.2. Slide off the actuator.

    Object Number: 604733  Size: SH
  7. Remove the actuator linkage from the mode door lever.
  8. Squeeze the tabs on the lever in order to remove the linkage.

Installation Procedure


    Object Number: 604733  Size: SH
  1. Install the actuator linkage to the mode door lever.

  2. Object Number: 604614  Size: SH
  3. Slide the mode actuator onto the mounting bracket until the tab locks.

  4. Object Number: 604730  Size: SH
  5. Connect the yellow vacuum hose (1) and the red vacuum hose (2) to the mode actuator.
  6. Install the instrument panel I/P trim pad. Refer to Instrument Panel Trim Pad Replacement in Instrument Panel, Gages, and Console.