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Air Con Not Working

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by dolcevita4, Jun 27, 2013.

  1. dolcevita4
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    dolcevita4 Member

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    [Jun 27, 2013]
    Hi guys, I've got a problem with the air con. I've just got back from holiday and used my car and the air con stopped working. It worked fine before I left, and it's strange that it just stopped. I've decided to take it for a refill and vacuum test and well it was full and no leaks, checked the wires and the power is transferred to the sensor. When I press the ECON button to switch it on it starts blowing a little more however I can't hear the click.

    Any Ideas? also had it on a diagnostic tool and no faults, and fuses are fine.
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  3. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Jun 27, 2013]
    Pressure switch maybe, G65 is a common one for some cars, did you use vcds?

    Does econ go out ok when pressed or comes back on immediately.

    Check fuses.

    Could be a goosed compressor, magnetic clutch.
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  4. dolcevita4
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    dolcevita4 Member

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    [Jun 27, 2013]
    Nope, I've used snap on one.

    the fuses are fine and when the button is pressed the red light goes off as it should.

    if a goosed compressor or magnetic clutch is there any way of fixing the unit or is it a new compressor?

    I've been quoted 280 for genuine one from eurocarparts
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  5. NHN
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    [Jun 29, 2013]
    TBH if taking it out then my advice is replace for new, as if it goes wrong soon after, its all the expense again, they usually last a fair while, but as with everything they can go anytime & usually the issues are because people don't use aircon for ages just normal air.

    It maybe something else, so get diagnosed properly then you know your costs required to fix.
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  6. dolcevita4
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    dolcevita4 Member

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    [Jun 30, 2013]
    yeah, cheers for the advice. I'm gonna change it this week :)
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  7. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Jun 30, 2013]
    do you use the aircon with econ light on or off ?
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  8. dolcevita4
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    dolcevita4 Member

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    [Jul 5, 2013]
    the econ light off, the air con compressor is changed now and works as it should. thanks for advices
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