crosbo Posted June 14, 2016 Report Share Posted June 14, 2016 Hi all newbie here.......... I have a 2007 2.8 crd grand voyager. The demister has stopped working although the blower is working perfectly at all speeds.I'm a bit lost as to what this could be, in saying that when it was working on demister mode I heard what seemed to be a whirring noise when the modewas changed. I am not a mechanic, amateur or otherwise so any help would be very much appreciated.Regards Quote Link to comment Share on other sites More sharing options...
Penguin2007 Posted July 14, 2016 Report Share Posted July 14, 2016 Could be an air lock in the heater matrix? Look up in manuals - there will be a drain plug / air vent which having been released, will then need topping up and hey ho, it should work. Solved this one after delisting my Cortina Mk III on a trip back from a wild weekend ice climbing in North Wales. Penguin Quote Link to comment Share on other sites More sharing options...
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