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Thread: Blasted Aircon

  1. #1
    Broken Byzan's Avatar
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    Blasted Aircon

    Ok, i had a faulty aricon compressor (Siezed), so had to drain the system and change the compressor. I did it straight away to avoid damge to the dryer. I also put a blast of one of those top up cans in to ensure it had some lube in the pipes to prevent any damage.

    I took it to get it refiled, they drained and refilled to the prescribed amount, no leaks, rad fan working, clutch kicking in and out with the econ switch, but no aircon.

    There are no codes on the Hvac unit and it is coded correctly. One of the alloy pipes by the firewall is slightly warmer that the other but thats it. It all seems to say its working, but it obviously isnt.

    Anyone offer any help?

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  3. #2
    Staz's Avatar
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    How long was it running for?
    8P2 S3

    For advice on Air Con problems please read my FAQs.
    To find ASN members with VCDS check out the MAP.

  4. #3
    Broken Byzan's Avatar
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    When mate? Without filling wasnt run at all if i could help it, i ran it on econ

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    Staz's Avatar
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    No since you had it filled. If there's a problem somewhere it can be highlighted by runing it for a long time. For example one of the pressure cut outs could go.
    8P2 S3

    For advice on Air Con problems please read my FAQs.
    To find ASN members with VCDS check out the MAP.

  6. #5
    Broken Byzan's Avatar
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    Ah, no i have run ot for about a hundred mile s maybe, on and off, and tried checking codes and that a few times to no avail. I can feel the load on the system when its active, so the pump is doing something

    What you think, run it for a while to see if it trips? There is a combined high / low pressure switch on these isnt there?

  7. #6
    Staz's Avatar
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    Yeah it's worth a try mate. Don't know if they're combined. The rigs I learned on they were in different parts of the system. The LPCO is on the low pressure side and the HPCO on the high side. Which make sense!!

    If one does trip it should leave a DTC so you can at last see more on the symptoms.
    8P2 S3

    For advice on Air Con problems please read my FAQs.
    To find ASN members with VCDS check out the MAP.

  8. #7
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    http://audi-sport.net/vb/showthread.php?t=72763

    Havn't changed any parts yet, still waiting for them, but lots of info here

 

 

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