GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Tahoe Limited 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Air Inlet Assembly Replacement

Removal Procedure
  1. Disable the supplemental inflatable restraint (SIR) system. Refer to Disabling the SIR System in SIR.
  2. Remove the passenger's knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges and Console.
  3. Remove the right side cowl trim panel. Refer to Trim Panel Replacement - Hinge Pillar in Interior Trim.
  4. Remove the air distributor. Refer to Air Distributor Duct Replacement .

    5. Object Number: 280260 Size: SH
  5. Remove the bolts that retain the air inlet assembly.
  6. Remove the vacuum connector.
  7. Remove the air inlet assembly from the vehicle.
  8. Remove the nuts that retain the vacuum motor.
  9. Remove the vacuum motor from the air inlet assembly.

Installation Procedure
  1. Install the vacuum motor to the air inlet assembly.

    2. 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.

  2. Install the nuts that retain the vacuum motor to the air inlet assembly.

    3. Tighten
    Tighten the retaining nuts to 2 N·m (18 lb in).

  3. Install the air inlet assembly to the vehicle.

    4. Object Number: 280260 Size: SH
  4. Install the bolts that retain the air inlet assembly to the vehicle.

    5. Tighten
    Tighten the four bolts that retain the air inlet to 4 N·m (35 lb in).

  5. Install the vacuum connector.
  6. Install the air distributor assembly. Refer to Air Distributor Duct Replacement .
  7. Install the right side cowl trim panel. Refer to Trim Panel Replacement - Hinge Pillar in Interior Trim.
  8. Install the Passenger's knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges and Console.
  9. Enable the SIR system. Refer to Enabling the SIR System in SIR.