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A/C queries


Davo456
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What's pipe 31 for ? and where does it go ? seems to head up into the dash in my car.

about 20mm OD, looks about 17mm? ID.

I had a small leak on it, but tightened up the end and hopefully thats stopped it.

Screen_Shot_2018_07_17_at_12.32.01.png

 

I assume pipe 27 is the condensate drain, and should head out through the floor somewhere ?

and its a smaller diameter pipe ?

 

Topping up to 30-50mm from the top of the overflow reservoir, seems to take a lot of water just to get up that 20mm - almost a litre - is that normal ?

 

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The way I interpret the picture is that 31 and 27 our two versions of the same item (evaporator drain tube). Perhaps coupe vs roadster?

Or right hand left hand drive?

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the picture is for LHD. RHD is similar and seems to be reversed.

I believe 27 and 31 are both there. I've only seen 31 when I look under the dash and it goes up into the dash, so it can't be a drain.

I'm presuming 27 is a drain, that I haven't seen yet.

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the parts diagram I have access to labels them both as drain pipes. Perhaps someone has incorrectly routed it up into the dash. If it is leaking you should be able to tell if it is coolant or condensate by smell or by taste.

 

 

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