Envoy 4WD V8-5.3L VIN M (2005)
Control Assembly: Service and Repair
HVAC System - Automatic
HVAC Control Module
HVAC CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the I/P accessory trim plate.
2. Remove the HVAC control module screws.
3. Depress the HVAC control module tabs (3) and remove the HVAC control module (2) from the I/P (4).
4. Disconnect the electrical connectors (1) from the HVAC control module (2).
INSTALLATION PROCEDURE
1. Connect the electrical connectors (1) to the HVAC control module (2).
2. Install the HVAC control module (2) into the I/P (4).
IMPORTANT: Ensure that the HVAC control module tabs (3) lock into place.
3. Install the HVAC control module screws.
Tighten the screws to 1.9 N.m (17 lb in).
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the I/P accessory trim plate.
HVAC Control Module - Auxiliary
HVAC CONTROL MODULE REPLACEMENT - AUXILIARY
REMOVAL PROCEDURE
