[s-cars] Water in Right Rear Footwell - Cause/fix?

[Robert Myers]

At 02:38 AM 7/8/2008, Wayne Dohnal wrote:
> >My buddy who bought my //S6 from me just reported water in the right rear
> >footwell.  I'm thinking clogged AC evap drain(s).  Does that sound
> >plausible?  If so, how does one unclog them?  If not, what else might
> >I/he/we look into?
>
>The evap drain is the prime suspect.  Lift the hood and remove the plastic
>cover just in front of the windshield.  I haven't done this for a while, but
>the drain is reached from the passenger side and I think it's under the
>blower motor.  It's not really visible from above, but can be spotted from
>underneath.  I use something sturdy but flexible, like a flexible cable, to
>poke the gunk out of it (from above).
>
>Wayne Dohnal
>1994 S4

Yes, Wayne, that very drain, if plugged, can lead to the overflow for 
sure.  What's more, the path that overflow follows leads it right 
into the compartment where the ECU sits awaiting a nice long soaking 
bath.  A quick shower does little to the ECU but if it gets that long 
soak...  Well, to quote Bones, "He's dead, Jim."   Don't ask me how I 
know.  Fortunately I got mine dried out quickly enough but I have 
seen the results of this sort of drowning.  It ain't purdy.

Bob

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