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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation, And Air Conditioning >> Repair Instructions >> Recirculation Door Replacement

Recirculation Door Replacement

Fig 1: Recirculation Door Replacement
GM1991077Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedure: 
Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
1 Air Inlet Assembly Screw (Qty: 2)
NOTE: Refer to Fastener Notice .

Tighten:  1.5 N.m (13 lb in)


Procedure: 
Tighten the fasteners equally to ensure the air inlet assembly seats evenly.
2 Air Inlet Assembly (Recirculation Door)

Procedure

  1. Disconnect the electrical connectors.
  2. When replacing the Recirculation Door, transfer all necessary components.
  3. Re-calibrate the Recirculation Actuator. Refer to Actuator Recalibration

Tip:  The Recirculation Door is part of the Air Inlet Assembly.