GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 Safari - 4WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Air Distributor Duct Replacement

Removal Procedure
  1. Remove instrument panel. Refer to Instrument Panel Carrier Replacement in Instrument Panel and Gauges.

    2. Object Number: 280266 Size: SH
  2. Remove the left floor air outlet. Refer to Floor Air Outlet Replacement - Left Side .
  3. Remove the retaining screw at the instrument panel carrier on the left side of the duct.
  4. Remove the retaining clips at the air distributor assembly.
  5. Remove the duct from the instrument panel vent extensions.
  6. Remove the air distributor duct from the instrument panel.

Installation Procedure

    Object Number: 280266 Size: SH
  1. Install the air distributor duct to the instrument panel.
  2. Install the air distributor duct to the instrument panel vent extensions.
  3. Install the retaining clips at the air distributor assembly.

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the retaining screw to the instrument panel carrier on the left side of the duct.

    5. Tighten
    Tighten the screw to the instrument panel carrier on the left side of the duct to 2 N·m (18 lb in).

  5. Install the left floor air outlet. Refer to Floor Air Outlet Replacement - Left Side .
  6. Install instrument panel. Refer to Instrument Panel Carrier Replacement in Instrument Panel and Gauges.