Temperature Valve Actuator Replacement - Left Side

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Temperature Valve Actuator - Left Side

Courtesy 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 Remove the instrument panel insulator. Refer to Instrument Panel Insulator Replacement (Except Cadillac) or Instrument Panel Insulator Replacement (Cadillac) . Disconnect the electrical connector from the air temp actuator.
1	Air Temp Actuator Screw (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 .

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

Remove the instrument panel insulator. Refer to Instrument Panel Insulator Replacement (Except Cadillac) or Instrument Panel Insulator Replacement (Cadillac) .
Disconnect the electrical connector from the air temp actuator.

Air Temp Actuator Screw (Qty: 2)

NOTE: Refer to Fastener Notice .

Tighten: 1.6 N.m (14 lb in)

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