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a/c blower fan with mind of its own... 850 1995

posted by  someone claiming to be Grant on  Mon Sep 26 15:54 CST 2011 [RELATED]

The a/c blower fan on my car will only intermittently work, regardless of the settings. Having fan and A/C turned on is no guarantee blower will run. It's strange...Even with A/C blower turned off, it may kick in and run. In other words, it runs when IT wants to. I would like to check the A/C control board. Does anyone have instructions on how to get to this part?







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    a/c blower fan with mind of its own... 850 1995

    posted by  KlausC on  Mon Sep 26 18:56 CST 2011
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    last visit: Fri Oct 24 10:15 CST 2014
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    First, I suggest you look at the error codes for the ECC. They are in B-1.

    If you have a clogged cabin temp sensor or two...

    Klaus
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      a/c blower fan with mind of its own... 850 1995

      posted by  someone claiming to be Grant on  Tue Sep 27 09:30 CST 2011 [RELATED]

      There are no error codes on B-1.
      Where is the cabin temp sensor?
      Thanks!







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        a/c blower fan with mind of its own... 850 1995

        posted by  KlausC on  Tue Sep 27 10:08 CST 2011
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        last visit: Fri Oct 24 10:15 CST 2014
        [RELATED]

        Temp sensors are behind the grab handles for the driver and passenger, above the window.

        I would first check the wiring for the blower, which means removing the glove box/kick panel. You will need to also check the rheostat for the fan. Or your fuse is loose?

        If you do not have Electronic climate control (the blower slide switch has numbers), there are fewer reasons for failure but the control box is harder to remove.

        Klaus
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          a/c blower fan with mind of its own... 850 1995

          posted by  someone claiming to be Grant on  Tue Sep 27 15:31 CST 2011 [RELATED]

          Thanks Klaus!
          By the way, where is the fan rheostat? How can I get to it?







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            a/c blower fan with mind of its own... 850 1995

            posted by  KlausC on  Tue Sep 27 21:59 CST 2011
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            last visit: Fri Oct 24 10:15 CST 2014
            [RELATED]

            http://volvospeed.com/volvo_repairs_how_tos/volvo_trim_parts/passenger_dash_access.html
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