Yet another weird aircon issue

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Stratman

MB Enthusiast
Joined
Jun 15, 2003
Messages
5,805
Location
Sunbury
Car
W203 C200 CDI '04Estate
i had my aircon regassed a few weeks ago and it produced an arctic blast from the vents, as expected. The last couple of days (the really hot ones daan saarf) the air coming out of the vents was warm. I could convince myself there might be a hint of coolth in the air, but there was no effective cooling whatsoever.

I did think a heater valve or flap may be stuck, so I turned the temperature up to maximum and the air temperature rose markedly, similarly it fell noticeably when reduced, so I'm assuming there's nothing sticking.

This morning, on the way to have it checked by the regasser (KwikFit. I know, but as I posted elsewhere they all use the same kit) it worked perfectly, my fingers were in danger of frostbite.. The KF man said that if it was working their machine wouldn't show a fault but they'd be happy to have a look while it was exhibiting the problem.

So, forum genii, what could cause those symptoms.?
 
Last edited:
It's a 203, which I don't think has a duovalve.

The 'hot' side of things seems to be working OK, as I can make hot air come and go with the controls.
 
Can’t help with that one, not familiar with the 203.

Dec
 

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