Audi Workshop Service and Repair Manuals

• ◆ → The drain aperture is at the bottom.
• ◆ When installed, the condensation drainage valve must not lie on the heat shield.
• ◆ Condensate drain valve must not be gummed up with wax or underseal; it must close properly.
• ◆ In the event of moisture in passenger compartment:

• ‒ Use wire, for example, to check the condensation water drain from the air conditioner for contamination and clean if necessary
• ‒ Check the water drain hose, the associated valve and the area under the air conditioner for contamination.

If no fault is found:

• ‒ Check passenger compartment forced air extraction (via luggage compartment) .