GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the right instrument panel insulator. Refer to Instrument Panel Insulator Replacement in Instrument Panel, Gauges and Console.
  2. Remove the instrument panel compartment. Refer to Instrument Panel Compartment Replacement in Instrument Panel, Gauges and Console.
  3. Disconnect the vacuum line from the air inlet vacuum actuator.
  4. Lift to release the air inlet vacuum actuator retaining tab and slide off mounting bracket.

  5. Object Number: 295315  Size: SH
  6. Disconnect the vacuum actuator plunger rod from the air inlet valve lever and remove the vacuum actuator.

Installation Procedure


    Object Number: 295315  Size: SH
  1. Connect the vacuum actuator plunger rod to the air inlet valve, then extend the plunger.
  2. Important: During installation, ensure that the air inlet vacuum actuator retaining tab is positioned above the mating base on the HVAC module case.

  3. Push the vacuum actuator toward the HVAC module case to secure the retaining tab.
  4. Important: Check that the vacuum actuator pushrod is not binding on the air inlet lever.

  5. Connect the vacuum harness connector to the air inlet vacuum actuator.
  6. Install the instrument panel compartment. Refer to Instrument Panel Compartment Replacement in Instrument Panel, Gauges and Console.
  7. Install the right instrument panel insulator. Refer to Instrument Panel Insulator Replacement in Instrument Panel, Gauges and Console.