GM Service Manual Online
For 1990-2009 cars only

Air Distributor Duct Replacement Lower

Removal Procedure

  1. Remove the instrument panel. Refer to Instrument Panel Carrier Replacement in Instrument Panel and Gauges.
  2. Remove the clutch pedal, brake pedal, and the steering column support. Refer to Brake Pedal Replacement in Hydraulic Brakes.
  3. Remove the air distributor duct lower screw (2).
  4. Remove the air distributor duct lower fasteners.
  5. Disconnect the wiring harness.
  6. Remove the air distributor duct lower bracket nut (1).

  7. Object Number: 624410  Size: SH
  8. Remove the air distributor lower duct.

Installation Procedure


    Object Number: 624410  Size: SH
  1. Install the air distributor lower duct.
  2. Install the air distributor lower duct nut (1).
  3. Install the air distributor lower duct screw (2).
  4. Install the air distributor duct lower fasteners.
  5. Connect the wiring harness.
  6. Remove the clutch pedal, brake pedal, and the steering column support. Refer to Brake Pedal Replacement in Hydraulic Brakes.
  7. Install the instrument panel. Refer to Instrument Panel Carrier Replacement in Instrument Panel and Gauges.

Air Distributor Duct Replacement Upper

Removal Procedure

  1. Remove the instrument panel. Refer to Instrument Panel Carrier Replacement in Instrument Panel and Gauges.
  2. Remove the air distributor upper duct screws.

  3. Object Number: 588995  Size: SH
  4. Remove the air distributor upper duct.

Installation Procedure


    Object Number: 588995  Size: SH
  1. Install the air distributor upper duct.
  2. Install the air distributor upper duct screws.
  3. Install the instrument panel. Refer to Instrument Panel Carrier Replacement in Instrument Panel and Gauges.