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Ac Cluch not engaging

Discussion in 'Volvo Forum' started by 1source, Jul 18, 2014.

Page 1 of 2
  1. Jul 18, 2014 #1
    1source

    1source Bobtail Member

    43
    11
    Sep 26, 2012
    Old town ,AL
    0
    Un hooked Ac clutch and put a test light on it and no power .Getting Ac fault clutch not engaging . can someone help
     
    1source, Jul 18, 2014
    1source, Jul 18, 2014
    #1
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  3. Jul 18, 2014 #2
    201

    201 Road Train Member

    11,302
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    Apr 16, 2014
    high plains colorado
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    These questions never come up in the winter. Probably low on refrigerant. When the pressure drops to a certain level, a pressure switch in one of the lines, disables the system.
     
    201, Jul 18, 2014
    201, Jul 18, 2014
    #2
    whskypete and CougFan Thank this.
  4. Jul 18, 2014 #3
    1source

    1source Bobtail Member

    43
    11
    Sep 26, 2012
    Old town ,AL
    0
    had it evact twice changed pressure switch and nonething happen.[QUOTE="semi" retired;4139687]These questions never come up in the winter. Probably low on refrigerant. When the pressure drops to a certain level, a pressure switch in one of the lines, disables the system.[/QUOTE]
     
    1source, Jul 18, 2014
    1source, Jul 18, 2014
    #3
  5. Jul 18, 2014 #4
    HotH2o

    HotH2o Road Train Member

    4,094
    4,863
    Sep 23, 2012
    Bunyan Springs, Colorado
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    After the evac did you recharge it?
     
    HotH2o, Jul 18, 2014
    HotH2o, Jul 18, 2014
    #4
  7. Jul 18, 2014 #5
    1source

    1source Bobtail Member

    43
    11
    Sep 26, 2012
    Old town ,AL
    0
    yes recharged twice still no power to the cluch.
     
    1source, Jul 18, 2014
    1source, Jul 18, 2014
    #5
  8. Jul 18, 2014 #6
    HotH2o

    HotH2o Road Train Member

    4,094
    4,863
    Sep 23, 2012
    Bunyan Springs, Colorado
    0
    Might be the switch in the dash. Sorry I'm not much of a mechanic.
     
    HotH2o, Jul 18, 2014
    HotH2o, Jul 18, 2014
    #6
  9. Jul 18, 2014 #7
    Badcable

    Badcable Medium Load Member

    356
    191
    Feb 1, 2008
    Outside Chicago, IL
    0
    Fuses good?
     
    Badcable, Jul 18, 2014
    Badcable, Jul 18, 2014
    #7
  10. Jul 18, 2014 #8
    1source

    1source Bobtail Member

    43
    11
    Sep 26, 2012
    Old town ,AL
    0
    yep fuses ok put a test light on them.
     
    1source, Jul 18, 2014
    1source, Jul 18, 2014
    #8
  11. Jul 18, 2014 #9
    Badcable

    Badcable Medium Load Member

    356
    191
    Feb 1, 2008
    Outside Chicago, IL
    0
    Might have a wiring fault on the way to the connector, taken a look at the wiring up to the connector yet? I've seen the connectors work themselves loose from the wires, so check close to the connector first and see if you've got voltage.
     
    Badcable, Jul 18, 2014
    Badcable, Jul 18, 2014
    #9
  12. Jul 18, 2014 #10
    201

    201 Road Train Member

    11,302
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    Apr 16, 2014
    high plains colorado
    0
    I know this doesn't help, but I can't think of a more trouble some accessory in our vehicles. I think the biggest problem with A/C systems is non-use in the winter months. I had a friend that ran the A/C several times a week in winter,(mostly to remove fog on the inside, which I believe new systems do anyway in defrost mode) and never had any trouble.
     
    201, Jul 18, 2014
    201, Jul 18, 2014
    #10
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