Aircon water on your feet

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Brake dust

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Won two trophies, some oil and wine .
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Other Italian competition

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Another GT 4 , our prizes .

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Hi , guys 77 GT4 so assume same Aircon system as 308 series .
It works fine I re gassed it before bringing the car to Switzerland.I,ve been competing in a a tough alpine classic car rally and noticed ......

Firstly on tight hairpins ( accent and decent ) a funny fan noise as if the blade were hitting something ......
Secondly actually water tipping out ( after an hour or so ) from under the two centre vents or lateral .
We had to place a towel and the radio spontaneously turned on .
First day was 300 km of time trails I ended up disconnecting the radio to cut its power .
Anyhow after day two the foot well carpets were wet .

There is thread on here ...... something about” insulation breaking down “ inside the pan and humid air condensation forming ....something along those lines ??
You have to just live with it .

I did run a piece of bush whacker line up the pipe under the front valance , which I assume is the AC drain .
That drain drains as well when the car is parked like any other car it does not appear blocked .

Do what’s to be done ?
Is it a restriction of the main drain ?
Does the pan under the dash where the cold matrix sit need a modification?

Anybody removed the dash pan ?

Any suggestions great fully recommended- except drive on flat roads with the AC off .

 

Yes seems it’s another Italian idiosyncrasy to add to the ever lengthy list .
Post #23 ...... something about a fitting a pad to stop it moving - sloshing about and spilling out .... presumably on gradients / g forces @ corners ?

https://www.ferrarichat.com/forum/threads/air-conditioner-water-leaking-onto-passenger-foot-well.163173/

This threads old and wondered if a miracle cure has been formulated.

 

Resurrecting this thread the cars in the U.K. now so today I investigated this wet feet thing particularly for the wife’s shoe benefit.
Was planing on drilling a hole and creating my own drain .......attaching a pipe at the low point and running out somewhere??

Peel back the carpet and remove the metal foot rest ( 4 screws ) .
Behind that low and behold at the bottom corner of the plastic drain / AC housing is a drain already there.Yippee !
It’s that rubber pipe that exits through the removable alloy inspection plate under the front end .
This is it’s other end .






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Still a bit of damp on this side .The unit is mostly on the passenger side on LHD , hence wife’s feet got wet the most !


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There it is fixed with a copiglia band , so I had to cut it off .
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Here it is detached .I used strimmer cord , wire and compressed air to clear both the exit pipe and of corse up into the “ pan “

So hopefully with the OEM drain patent that should do it .

 

Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login Few more pics of the box .Not mine but I think they add to the completeness .
That foam around the core matrix is responsible for the black fragments you may see flying out of the central vents .

 

Bentley put a box of relays under the passenger foot well .
The HVAC drip pan drains are tiny one each side of the tranny tunnel .So when theses block water escapes out of the central pan into the foot wells . Damp carpet .The relay box lid has a poor seal .
Inside is the keyless start and stop module and relay .Get that wet and the starter motor can burn out .
So what a few hundred quid and being VAG an Audi or VW part .... what’s the problem?
Er it’s an engine out job to access the starter motor !!!

So for me going back to the 70 ,s is DIY heaven , no ECU , not even fuel injection on a carbed car .....as simple as wheel barrow to work on .