I have an aged but very reliable 2.6 Quattro estate. Recently after the
rain in the UK the rear footwells have become damp so I'm guessing water has
leaked into the car from the outside. After speaking to a friend I have
already cleaned out the sunroof drains with the pressure washer but its
still getting wet in the back.
Any pointers in where else to look ?
Check the drainpipe from the aircon evaporator under the dash. If it is
blocked the condensation builds up and, instead of running out through the
firewall, drains through the rear footwell air ducts under the front seats
into the rear footwell. Humid conditions increase the condensation so it's
more during raining season.
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