29th July 2010, 07:57 PM
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Air Conditioner Icing Up
I have had my defender since new from Nov 2008 and moved to Darwin in Sep 2009. From christmas 2009 the air conditioning system has been icing up.
I have had the thermostate changed twice and recently the tx valve all under warranty but still the air con is icing up. Has any one else out there experienced the same problem or have any I advice I have lost all confidence with Landrover to fix this fault. It seems to be worse in humid conditions. 
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29th July 2010, 08:01 PM
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It isnt something real silly like blocked drains???? Sometime the simple issues are overlooked.
Andrew
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DISCOVERY IS TO BE DISOWNED Midlife Crisis.Im going to get stuck into mine early and ENJOY it. Black Betty 1999 TD5 Disco 1999 TD5 Xtreme 2003 Stacer 525 Sea Master Sport I made the 1 millionth AULRO post 
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29th July 2010, 08:09 PM
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I had that problem with my Commodore. Check the condensate is draining quickly enough. If it's not, the vaporator gets immersed in the condensate and it freezes.
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Mick REMLR # 310 MVCA # 364 101 Club # 2188 29-417 101 GS 30-248 101 Rapier Tractor 34-597 Crump & Cornish 1 ton Cargo Trailer RT21 RAAF Track Tactical Trailer 234-671 RAAF Track Tactical Trailer
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29th July 2010, 08:45 PM
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As the fella's above have said, a coil ice up is usually the simple things.
These problems are what can cause any refrigeration/air conditioning coil to ice up (and several have been 'fixed' on your car) Lack of air flow through evaporator. eg. fan motor failure, fan blade spinning on shaft, blockage, eg plastic bag sucked into the return air. (pretty common) ducting/shroud misaligned so air is by-passing coil, etc. Blocked drain, partially blocked drain, coil sitting in the drip tray (needs an air gap between water and coil or icing will result) Thermostat set too low cut out temp. Thermostat cut in temp too low. Thermostat points fused. TX valve being partially stuck shut causing an external ice up is pretty uncommon, usually the LP control will trip creating short cycling before that happens.
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Scooter (31st July 2010) | ||
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29th July 2010, 08:51 PM
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very commen prob with the puma's, the way the air flows onto the evaporator is useless, if you sore it you'll no what i mean,
and they let the ac get so cold so it works as good as it dose, but that has brought on this problem, the temp sensor on the evaporator needs to be set 1-2deg higher and it would fix the prob,
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Scooter (31st July 2010) | ||
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29th July 2010, 08:56 PM
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I wish I could get mine cold...
used to ice up till they fixed it couple years ago now it gets cool and on a long drive might as well noot have it on as it seems to cool nothing.
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Our Land Rover does not leak oil! it just marks its territory....... 
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29th July 2010, 09:03 PM
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Mine works very well.
For all those that are critical just remember that this the first factory fitted Defender AC that comes within cooee's distance of the definition of Air Conditioning. Those prior to the Puma could also open the flaps and imagine.   Seriously though with humid air try adjusting the temperature and fan speed. It might reduce the cooling effect but might also stop the moisture from condensating and freezing on the coil.
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Mahn DEFENDER 110 wagon '08 http://www.aulro.com/afvb/members-ri...elvinator.html equipped with TARDIS aerodynamics and backward time travel capability Ex 300Tdi Disco: 
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Scooter (31st July 2010) | ||
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29th July 2010, 09:45 PM
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Quote:
I had a steer of The Grinch's Defer the other day,opened the flaps up NICE!!!! Pumas dont have flaps do they???? Andrew
__________________
DISCOVERY IS TO BE DISOWNED Midlife Crisis.Im going to get stuck into mine early and ENJOY it. Black Betty 1999 TD5 Disco 1999 TD5 Xtreme 2003 Stacer 525 Sea Master Sport I made the 1 millionth AULRO post
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29th July 2010, 09:50 PM
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Quote:
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Cheers from the Desert Rexy 2000 130 TD5  Oil in the Harness, suspension knock, transmission clunk, engine oil leaks, exhaust manifold leaks, centrifugal oil filter stripped bolts, a/c leaks, door leaks, wouldn't trade it for the world
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