GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

The mode actuator is located on the right side of the heater assembly above the defroster actuator.


    Object Number: 394087  Size: SH
  1. Remove the instrument panel. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gauges and Console.
  2. Disconnect the vacuum hose from the mode actuator.
  3. Carefully pry back the mode actuator retaining tab with a screwdriver and remove the mode actuator.

Installation Procedure


    Object Number: 394087  Size: SH
  1. Install the mode actuator to the heater assembly.
  2. Connect the vacuum hose to the mode actuator.
  3. Install the instrument panel carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gauges and Console.