I have a 1990 (pre-facelift) XJ-S 3.6; amongst other little foibles, the aircon works fine (no, really!) during the summer albeit, at the end of a run during the warm weather, it puffs out a little condensation on the windscreen, on the passenger side. Only a little, and something that a friend's XJ-S does too (so I assumed "they all do that").
However, now the weather has turned cold, every time I use it, I get a lot of misting up but only on the passenger side no matter how long I run it for or what setting are on the controls. Setting it to demist seemingly makes little difference. It is not dripping in condensation (I have a moisture trap in it now when it's tucked away in the garage - it also chucks out plenty of heat in all directions on demand and is not leaving puddles of water in the footwells!) but when driving, it is getting to the point that the passenger side windscreen and side window are completely opaque and, frankly, dangerous to drive with.
I'm hoping someone will immediately know what it might be - and thank you in advance for any help/advice/soothing noises anyone can give!!!!!
Avoiding cliches like the plague.....
You can check either by pushing something up the drain tube from below or taking the cheek piece off the side of the centre console and checking the drain tube from there.
Another thought is that maybe there's water in the passenger side fan casing? Could have got there from the scuttle drain?
Hope that helps
1996 XJS Celebration Conv. (shown on the JEC stand at NEC Nov 2015)
2001 XKR Convertible
1989 XJ-S V12 Coupe. 2006 XJ TDVi Sovereign. 1995 XJ6 3.2. 2013 XF 2.2d. 2009 X Type 2.0d Sovereign estate
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