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Home >> Buick >> 2004 >> Century V6-3.1L VIN J >> Repair and Diagnosis >> Heating and Air Conditioning >> Vacuum Controller >> Service and Repair >> HVAC Systems - Manual
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HVAC Systems - Manual

HVAC CONTROL VACUUM VALVE REPLACEMENT

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




2. Remove the screws from the HVAC control module.
3. Disconnect the electrical connectors from the HVAC control module.
4. Disconnect the vacuum connectors from the HVAC control vacuum valve.
5. Remove the HVAC control module from the instrument panel.
6. Remove the vacuum valve from the HVAC control module.

INSTALLATION PROCEDURE
1. Install the vacuum valve to the HVAC control module.




2. Connect the electrical connectors to the HVAC control module.
3. Connect the vacuum connectors to the HVAC control vacuum valve.
4. Install the HVAC control module to the instrument panel.
5. Install the screws to the HVAC control module.

NOTE: Refer to Fastener Notice in Service Precautions.

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

6. Install the instrument panel accessory trim plate.
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