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lm5370
Member Since: 21 Aug 2012
Location: Taiwan
Posts: 29
 
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| Air conditioning temperature consistency |
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When using the air con (25,26, haven't used other settings) when I first start the car it'd feel quite cool, and after a while driving (traffic or not) the air con becomes quite hot that I have to turn down the temperature to get it cold again, but then it'd get a bit too cold and I have to turn it back to 25~26 again. This cycle kind of repeats. Is this some kind of fuel saving design of switching the air con on and off?
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 4th Sep 2012 2:06 am |
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Plane Fixer
Member Since: 19 Jan 2012
Location: Coffs Harbour
Posts: 39
 
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I have the same problem in mine and at the last service this week was assured it is normal, yet I have a 2008 VW Golf with climate control and the temperature is consistent and seems seamless in operation. The D4 seems very crude by comparison for a luxury car. The alogarithms need refining somewhat; I am sure someone's teenager could sort it out!!!! Fuji White D4 2012. Reversing camera, E-diff, Hi-line sound, Xenon lights, ARB bullbar with Lightforce xenon lights and cargo barrier
Grey nomad and yarn master.
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| 4th Sep 2012 10:59 pm |
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kenny
Member Since: 17 Jan 2010
Location: South West Aus
Posts: 79
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Mine is the same and so were my D2s I think there is something wrong with the way they measure the temp in the cabin.
I find I have to set the so called climate control to extremes just to get it to switch to aircon or heating.
It's almost like it needs a reset button?
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| 5th Sep 2012 1:46 pm |
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lm5370
Member Since: 21 Aug 2012
Location: Taiwan
Posts: 29
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Thanks for the input, one less thing to be concerned about then. Speaking of which, does anybody know where the interior temp sensor are located?
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| 5th Sep 2012 2:40 pm |
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barryp
Member Since: 24 Dec 2006
Location: Sydney
Posts: 138
 
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I think that the problem is in turning the temp up high (25 26 in the post above) before the engine/FBH has heated the water in the system.
I set mine on automatic at about 21 to 22 degrees and it works perfecly that way on my LR3 (gone) RR Sport and BMW X5 without any issues. Setting to a high temp when the system is cold does nothing to heat the car but causes overshoot as the system heats up.
My experience anyway. 
Regards
Barry 2017 Range Rover Sport TDV6 L494 Fuji White
2011 Range Rover Sport SDV6 L320 Fuji White Loved but GONE
2010 TRAKKA Motorhome Fiat Ducato GONE (What a dud, don't buy one)
2006 Discovery 3 SE TDV6 Automatic Chawton White/Ebony. Loved but GONE
2006 BMW X5 diesel White/Charcoal, Bought new, gone after 12 years! Excellent vehicle.
Ex Member Range Rover Club NSW
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| 6th Sep 2012 8:59 pm |
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lm5370
Member Since: 21 Aug 2012
Location: Taiwan
Posts: 29
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Thanks Barry I will turn down the temp a few notches to try 
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| 7th Sep 2012 1:00 am |
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amazing
Member Since: 05 Mar 2011
Location: chengdu
Posts: 1542
 
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I find it consistant provided that there is a 3 degree diff between external temp and setting.
guess the delta T is quite large It is better to have and not need it then need and not have it.
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| 7th Sep 2012 1:05 am |
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