audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Restraint Systems > < Vacuum Solenoid Valve HVAC|Description and Operation
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Vacuum Solenoid Valve HVAC: Service and Repair

Two Way Valve

If the vacuum system fails, the fresh air/recirculation door will open and all air will be brought into the vehicle from outside.

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Remove cover under glove compartment.

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Start engine and run at idle.

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Push A/C switch button.

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Push recirculation button.

Warning light lights up, fresh air/recirculation door closes.

If warning light does light and fresh air/recirculation door does not close,

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Check voltage supply for Two way valve according to wiring diagram and repair as necessary.

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Check vacuum system and repair as necessary.

Restraint Systems > < Vacuum Solenoid Valve HVAC|Description and Operation