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
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
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.
If at first you don't succeed, that's one data point. - xkcd
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2011 Discovery 4 SDV6 HSE
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
Hooray
Problem solvered.
$924.....One happy camper.......................cool as you like.
2013 D4 .Llamms. Traxide. ARB C/C Bullbar.Outback Acc RWC & Longrange tank.
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.
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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