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2000 S70, climate control problem S70

posted by  hammerhead on  Sat Jun 1 08:18 CST 2013
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last visit: Thu Oct 16 10:32 CST 2014
[RELATED]

Does the climate door motor adjust the amount of hot/cold air delivered to the cabin? Is it controlled by the temp adjust knob?








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    2000 S70, climate control problem S70

    posted by  KlausC on  Mon Jun 3 20:13 CST 2013
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    last visit: Fri Oct 24 10:15 CST 2014
    [RELATED]

    Yes, and yes. The cabin temp sensor also tends to get dirty and clogg up, messing up the reading, but that usually triggers the blinking yellow lights.

    Is one side cold and the other hot?








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      2000 S70, climate control problem S70

      posted by  hammerhead on  Fri Jun 7 09:32 CST 2013
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      last visit: Thu Oct 16 10:32 CST 2014
      [RELATED]

      Yes, driver side is hot while the passenger side is cool in a/c mode. I have determined that the climate control actuator motor is not working, going to install a new one this weekend. I've also noticed that the recurculation button illuminates red, not green. Is that a fault light due to the bad motor?

      thanks
      Mike








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        2000 S70, climate control problem S70

        posted by  KlausC on  Fri Jun 7 12:28 CST 2013
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        last visit: Fri Oct 24 10:15 CST 2014
        [RELATED]

        Recirc button is supposed to be red when engaged, you are probably correct regarding the malfunction.

        As to replacing the vent motor, the older cars required programming to 'set' the motor so it knows the limits of operation. This probramming was quite involved, requiring a 15 minute drive and a 2 minute rest with the key in position one.

        I would have stopped at a Volvo shop to get the codes from the ECC before buying parts.







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