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Home >> Buick >> 2005 >> Century V6-3.1L VIN J >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Service and Repair >> HVAC System - Automatic
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HVAC System - Automatic



HVAC CONTROL MODULE REPLACEMENT

REMOVAL PROCEDURE
1. Remove the instrument panel trim plate.




2. Remove the HVAC control module mounting screws.




3. Disconnect the electrical connector.
4. Remove the HVAC control module.

INSTALLATION PROCEDURE




1. Connect the electrical connectors.

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.

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

NOTE: Refer to Fastener Notice in Service Precautions.

4. Install the instrument panel trim plate.
5. Start the engine and run for one 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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