GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the IP carrier support. Refer to Instrument Panel Carrier Support Replacement in Instrument Panel, Gages and Console.

  2. Object Number: 717381  Size: SH
  3. Remove the defroster bolts (1).
  4. Disconnect the vacuum harness at the retainers.

  5. Object Number: 304987  Size: MH
  6. Disconnect the vacuum lines from the actuators.
  7. Remove the retaining screws and the distributor from the A/C distributor assembly (2) .

  8. Object Number: 717420  Size: SH
  9. Remove the air distribution duct (1).

Installation Procedure


    Object Number: 304987  Size: MH
  1. Install the distributor assembly (2) to the vehicle.
  2. Connect the vacuum lines to the distributor.
  3. Connect the vacuum lines to the actuators.

  4. Object Number: 717381  Size: SH
  5. Install the fasteners (1) into the defroster duct.
  6. Install the IP carrier support. Refer to Instrument Panel Carrier Support Replacement in Instrument Panel, Gages and Console.