Question about 1993 Jaguar XJ6

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Heater control and windshield defroster temperature problems

Hi, I have a 1993 Jaguar XJ6 that I problems controling the temperature of the windshield defroster it is always hot (max). Also the temperature control for the normal heater operations isn't working properly. What could be wrong?

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It more and likely is the servo motor (s) that are the problem, when you turn hot to cold and defrost they cycle the vents in conjuction and are a common failure on this model.
The ones that fail are accessible if you remove the right underscuttle panel and the glovebox.
Black motors with a double wire, usually have a red connector on the end.
JPTCAT

Posted on Sep 22, 2008

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