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

[Robert Myers]

Yes, Ian, it does flood the front from which it flows back underneath 
the carpet to where it pools in the rear seat footwell.  yes, a 
plugged sunroof drain might also be the cause but the potential for 
serious damage to the ECU says, to me at least, that the ECU area 
needs to be checked.

At 07:22 AM 7/8/2008, Ian Duff wrote:
>I think the clogged evap drain you are all referring to floods the
>FRONT passenger side, whereas Mr Pollan is reporting a flooded REAR
>passenger side footwell.
>
>Could it be a clogged sunroof drain, causing any water that collects
>around the sunroof to seek a way out? Easy fix is to use a length - 3
>feet worked for me - of weed whacker string to poke the sunroof drains
>clear from the top. If he's parking with the front higher than the
>rear, the water will pool at the back of the sunroof, and eventually
>drip down into the rear footwell. There must be other possibilities,
>but my imagination is on vacation right now...HTH.
>
>-Ian Duff.
>
>On 08 Jul, 2008, at 06:31, Robert Myers wrote:
>
>>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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