heat not working. blows cold
2002 xkr heat stopped working. It only blows cold air. On a 45 minute trip it never got hot or even warm. During the winter it was working fine
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My prior car, an '01 XK8, had something similar.
Every now and then, mostly on the 1st call for heat in the Fall after a summer with no use, it delivered only cold air. By trial end error ... setting the temp control to max and letting it run there for a few minutes made heat, and then the temp control could be set where I wanted it. No idea why this worked, but there it is. |
Check the heater pump fuse (#15, 10 Amps) in the fusebox under the hood on the driver's side.
If that is OK you might also try swapping the relays in the fusebox. If still no luck, either: -Your heater pump has failed -Your heater core is clogged -Your heater valve has failed -The electronic controls have failed. The heater pump is most common, but coolant types were ever mixed in this vehicle a clogged heater core could be a likely result. The valves do also stick occasionally. Plenty of info on most of these repairs on the forum. |
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