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Heat acting up V70-XC70

posted by  Jroo on  Tue Mar 20 03:07 CST 2007
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last visit: Tue Mar 20 03:31 CST 2007
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On my ride home last night and again this morning, my heat is acting funny. It blows hot only on the hottest setting at the top of the dial. As you move the dial down to change the temp, it immediately starts blowing cool and then goes to cold air. Even with my temp dial above 70 it was blowing cold air. Does anyone have an idea what is going on or going wrong. I have a feeling that i will get in my car and have no heat at all one morning.








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    Heat acting up V70-XC70

    posted by  KlausC on  Tue Mar 20 03:29 CST 2007
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    last visit: Fri Oct 24 10:15 CST 2014
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    More than likely, your cabin temp sensor is clogged with dirt and dust. It can be removed and gently cleaned with a tooth pick. The hard part is popping out the ECC unit from the dash, it tends to get stuck and when it frees up it wants to head in the direction of your face :)
    The temp sensor is behind the little grill looking thing just to the left of the ECC unit. The round cylinder in the back has 2 plastic release clips at 12 and 6 o'clock that need to be depressed, and then carefully removed.

    Klaus
    --
    1975 164 w/174,800mi (Sold) 1995 850T w/91,000mi, 1998 V70R w/129,000mi







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