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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC - Automatic >> Repair Instructions >> Air Temperature Actuator Replacement - Right Side

Air Temperature Actuator Replacement - Right Side

Fig 1: Air Temperature Actuator
GM1696346Courtesy of GENERAL MOTORS CORP.
Callout Component Name
NOTE: In order to avoid actuator damage, DO NOT apply power to the actuator when it is not installed in the HVAC module.

Preliminary Procedure

  1. Remove the I/P Carrier. Refer to Instrument Panel Carrier Replacement .
  2. Disconnect the electrical connector from the air temp actuator.
1 Air Temp Actuator Screws (Qty: 2)
NOTE: Refer to Fastener Notice .

Tighten:  1.6 N.m (14 lb in)

2 Air Temp Actuator
Procedure: 
Re-calibrate the air temp actuator. Refer to Actuator Recalibration .