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Thread: D4 A/C Compressor issue

  1. #11
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    D4 A/C Compressor issue

    If you want to read on the valve for those that have suffered similar problems here is the thread I was referencing. In my case this was the fault (my LR Independent mechanic also diagnosed that as the fault as they also do a/c work).

    (Thread is title d3 but I have a d4)

    D3 Air con trouble

  2. #12
    BradC is online now Super Moderator
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    Quote Originally Posted by DiscoJeffster View Post
    True Brad. I did very much generalise.

    My old Golf that is now my mum's supposedly has the "black death" which is supposedly common within the Audi/VW fleet. It also take a long time to start cooling but eventually does, but poorly. In fact my own 2007 Audi also does this.

    What are your thoughts on that issue? She was quoted an entire system replacement to resolve it as you stated, however I've also seen online people posting that despite being diagnosed with the plague, replacing the valve resolved it?
    It's one of those things. You don't know the condition of the system until you pull the valve. All the ones I've done have been valves. Haven't had to replace a variable-displacement compressor yet.

  3. #13
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    Having been through the same experience myself in the past couple of weeks, I saw this thread: 2013 D4 Air Conditioner Issue, and now yours.

    Symptoms in my 2011 (106K km) D4 were the same. No issue on cooler days, but struggled to maintain cold after 5 to 10 minutes when it was over about 35 degrees.

    My local indie had a look. Checked the gas pressure - all good.
    He then warned me that it could be the compressor, and that the refrigerant control valve (RCV) is within the compressor assembly, therefore a laborious ($$$) job to get it out. And once they did get it out, they'd check the compressor and evaporator unit too. Quote was around $3,500 or more depending on what needed replacing.

    Thankfully, it was just the RCV. The compressor and evap were in very good shape.

    New RCV fitted, evap cleaned, ducts disinfected, all reassembled for $1,300 - most of which was labour (they had it for the best part of two days).
    If at first you don't succeed, that's one data point. - xkcd
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    2011 Discovery 4 SDV6 HSE

  4. #14
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    Thank you guys

    And Redtail Yes thats the problem they say, these guys come highly praised from Kevin at Rovertech in Perth.

    Its in today and pick up tomorrow ………….just under 1K and hopefully back to COOL air.
    2013 D4 .Llamms. Traxide. ARB C/C Bullbar.Outback Acc RWC & Longrange tank.

  5. #15
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    Quote Originally Posted by samandfee View Post
    Thank you guys

    And Redtail Yes thats the problem they say, these guys come highly praised from Kevin at Rovertech in Perth.

    Its in today and pick up tomorrow ………….just under 1K and hopefully back to COOL air.
    Mine's too bloody cold now!
    Funny how I'd gotten used to it. Hanging out for the weekend here to give it a proper test.
    If at first you don't succeed, that's one data point. - xkcd
    ----------------------------------------------------------------------
    2011 Discovery 4 SDV6 HSE

  6. #16
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    Touch wood, 185000km on my D4 and no such issues. AFAIK it has only been regassed once when the body was off for turbo replacement at ~165000km.

    So far the A/C works as it should, I normally run it at 21-23deg and fan speed on low to mid.

    Glad you got it sorted relatively quickly

  7. #17
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    Hooray
    Problem solvered.
    $924.....One happy camper.......................cool as you like.
    2013 D4 .Llamms. Traxide. ARB C/C Bullbar.Outback Acc RWC & Longrange tank.

  8. #18
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    Quote Originally Posted by samandfee View Post
    Hooray
    Problem solvered.
    $924.....One happy camper.......................cool as you like.
    Valve changed and regas?
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)

  9. #19
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    Hi discojeffster

    Yes mate He said comp out, fix and replace re service and off you go .
    2013 D4 .Llamms. Traxide. ARB C/C Bullbar.Outback Acc RWC & Longrange tank.

  10. #20
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    Another most helpful thread. Our AC had a fit prior to Christmas after dragging the Q+ up through the hills on our way to Kingston on a reasonably warm day. Just started blowing warm air with temp set at 25C. Seemed to return to normal but yesterday it stared on the warm air thing again. All this in auto AC mode

    Turned the temperature down to 22C from 26C and got cold air in manual mode

    So our fault seems to follow this discussion just not completely sure. So would appreciate some feedback from the experts. Will need to check with our local indy's to see if either of them does AC or outsources

    Rob

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