Why my audi a6 2005 blows hot on passanger

Asked by Tabbinwally Jul 28, 2018 at 03:58 PM about the 2005 Audi A6 3.2 quattro Sedan AWD

Question type: Maintenance & Repair

My 2005 audi a6 blows hot air on passanger side
of car even when air conditioning is turned on what
could be the problem?

1 Answer

GuruVK5P3 answered 5 years ago

you need to replace the Duo Valve under the lower windshield cowling. Raise the hood and remove the plastic panel between the engine and the windshield. look towards the passenger side. the valve will have 2 solenoids on it and a few heater hoses.

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