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post #1 of 3 (permalink) Old 11-09-2010 Thread Starter
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Join Date: Nov 2010
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FM12 climate control unit

I have a problem with the climate control unit on our '04 plate FM12. It has been going on for about a year and my local dealer doesn't seem to be able to rectify it. It will only blow warm air when it is on max temp either on auto or max fan setting. Also seems to start blowing cold when you reach 30 - 40mph. Coincidence? Fairly sure the thermostat has been replaced and also the climate unit itself. Any ideas
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post #2 of 3 (permalink) Old 11-13-2010
Join Date: May 2007
Posts: 228
What year make Volvo do you have?
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post #3 of 3 (permalink) Old 01-16-2011
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Join Date: Jan 2011
Posts: 6
hi there,

in the cab just next to the ash tray there is a little sensor the collects all the dust. if you remove the fuse tray on the top of the dash, the cup holder can be removed u will see the little sensor there. that controls the heating in the cab and can cause the climate control to be at fault.
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