circuit. On my old XM the drain from the aircon was blocked and if I used AC
on a cold day to demist the windows, the next time I started the car I'd get
a cloud (well an invisible cloud) of warm moist air in through the demister
vents, which needed the AC to remove it ......etc. I think my Xantia may be
starting to get a similar problem but getting to the drain might necessitate
removing the wiper arms (but I am not sure) to remove the grill over the air
I would suspect the heater core itself (obviously investigate first) because
the constuction of them is absolutely dire.
As many have pointed out in the past, if it is the heater core, sell the car
on the next available warm day. Replacing the heater core on a Xant is
about a 14 hour job involving complete dashboard removal and worse!
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