Q7 Quattro V6-3.6L (BHK) (2007)
Evaporator Drain Tube: Service and Repair
Rear Water Drain Hose
Rear Water Drain Hose
‹› The condensation water drain is installed in area of left rear fender and can be checked from outside without having to remove the components for
it.
Checking
-
Check valve - A - from below (with vehicle on a lift). Valve must not be obstructed by wax or underbody sealer and must close properly.
-
Check condensation water drain of rear heating & A/C unit - F - for soiling (e.g. using a piece of wire) and clean it if necessary.
‹› Condensation water hose - D - must fit securely on connection of heating & A/C unit - F -.
‹› Condensation water hose - D - to valve - A - must not be kinked or pinched.
‹› Depending on production time period, condensation water hose - D - is secured by a hose clamp - E - or a cable tie to condensation water drain of
rear heating & A/C unit - F -.
Removing
-
Switch ignition off
-
Slide condensation water drain - B - into vehicle interior from below (disengage condensation water drain - B - from rear floor plate - C - to do
so).