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A/C clutch won't disengaga V70-XC70

posted by  someone claiming to be Mike on  Thu Jun 17 08:20 CST 2021 [RELATED]

2002 V70-T5

Hear the compressor kick in and out - but clutch keeps spinning. Won't disengage. Ideas - electical or mechanical issue

Cooling is fair.








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    A/C clutch won't disengaga V70-XC70

    posted by  Chris Mullet on  Fri Jun 18 10:03 CST 2021
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    last visit: Fri Oct 24 09:08 CST 2014
    [RELATED]

    When the engine and AC are shut off can you measure a gap in the clutch? As I recall you want a gap of about .015-.020”.








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      A/C clutch won't disengaga V70-XC70

      posted by  someone claiming to be Mike on  Sat Jun 19 11:48 CST 2021 [RELATED]

      OK - I have heard about the gap. Thought it was needed to 'engage' clutch with the magnet - mine is engaged all the time - will not release and keeps spinning all the time. Would the gap contribute to this as well?








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        A/C clutch won't disengaga V70-XC70

        posted by  KlausC on  Sun Jun 20 09:27 CST 2021
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        last visit: Fri Oct 24 10:15 CST 2014
        [RELATED]

        Surprising. There must be a gap, preferably .020

        But any 'gap' should be enough for the clutch to disengage. That is the noise you hear - click/clack.
        --
        Keeping it running is better than buying new








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          A/C clutch won't disengage V70-XC70

          posted by  someone claiming to be Mike on  Mon Jun 21 06:03 CST 2021 [RELATED]

          Records from previous owner, when system diagnosed said - suspect TXH leaking, possible short in compressor.

          Possible to simply repair or are major replacement parts needed? Thanks








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            A/C clutch won't disengage V70-XC70

            posted by  KlausC on  Mon Jun 21 09:48 CST 2021
            Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
            last visit: Fri Oct 24 10:15 CST 2014
            [RELATED]

            I have no idea what a TXH is. If the compressor clicks on/off, that sounds good to me.

            You need to get a pressure gauge, hook it up to the low side port, and see if the pressure fluctuates between clicks. If the reading is always low, add a can of R134a

            You also need to check the clutch gap, easily done with the engine off.
            --
            Keeping it running is better than buying new








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              A/C clutch won't disengage V70-XC70

              posted by  someone claiming to be Mike on  Mon Jun 21 14:15 CST 2021 [RELATED]

              Thanks I will do that. The TXH is a Thermal Expansion Valve before the evaporator - inexpensive part.
              Will check the gap too.







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