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Home >> Buick >> 2006 >> LaCrosse V6-3.8L VIN 2 >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Service and Repair >> HVAC Systems - Automatic
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HVAC Systems - Automatic



HVAC CONTROL MODULE REPLACEMENT

REMOVAL PROCEDURE
1. Remove the instrument panel lower trim plate.




2. Remove the HVAC control module mounting screws (1).




3. Pull the HVAC control module rearward from the instrument panel.

IMPORTANT: Retaining clips hold the HVAC control module in place.

4. Disconnect the electrical connectors form the HVAC control module.
5. Remove the HVAC control module.

INSTALLATION PROCEDURE




1. Connect the electrical connectors to the HVAC control module.

IMPORTANT: The key should be in the off position when connecting the electrical connectors to ensure proper calibration.




2. Install the HVAC control module.
3. Install the HVAC control module mounting screws.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the screws to 2 N.m (18 lb in).

4. Install the instrument panel lower trim plate.
5. Start the engine and run for 1 minute.

IMPORTANT: Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating. If interrupted improper HVAC performance will result.
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