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Heater-AC trouble codes? How to read? S70 1998

posted by  dick on  Sun Aug 12 05:13 CST 2007
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last visit: Sun Aug 3 15:24 CST 2014
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How are these read? OBD tool or Volvo only. The older series had the code reader built in under the hood, but these are not so simple. I have those flashing lights before things kick in and wonder what the problem is although it seems to cool adequately.

Help appreciated,

dick








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    Heater-AC trouble codes? How to read? S70 1998

    posted by  KlausC on  Sun Aug 12 05:31 CST 2007
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    Volvo only code reader :( for non engine related items.

    Your problem could be just a dirty cabin temp sensor. The ECC needs to be pulled out to get to the backside of the temp sensor. The sensor has 2 plastic clips, at 6 and 12 o'clock, that need to be depressed and then pull straight back towards the firewall. Be careful of the small temp sensor at the tip.

    I cleaned mine with a tooth pick, wooden.

    Klaus
    --
    Please answer, we need to know if the advice is good or bad. The 164 has a new home, all I am left with are 2 turbos :)








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      Heater-AC trouble codes? How to read? S70 1998

      posted by  dick on  Sun Aug 12 10:33 CST 2007
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      It is 102 degrees right now so will pass on getting too involved. I do have an insulated airconditioned garage but wife just brought her 940 SE in so even a good AC has limits.

      Will let you know how it goes.

      dick







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