Member Since: 22 Jun 2011
Location: southampton
Posts: 2477
ive given up with auto in cold weather now once cab is warm i
put it on manual with mid and footwell vents selected works a treat MY05 SE D3 Manual my first LR what a car
MY10 HSE D4 auto
MY14 XXV more buttons than the spaceshuttle
8th Mar 2018 5:07 pm
Grianaig
Member Since: 08 Jul 2014
Location: Tyne and Wear
Posts: 1286
+1 Simplest way. 2014 MY Discovery XS Indus Silver. Sadly gone. Second last LR of forty eight years continuous ownership.
8th Mar 2018 5:19 pm
peteyd
Member Since: 08 Mar 2016
Location: South Bucks
Posts: 551
mark the spark wrote:
ive given up with auto in cold weather now once cab is warm i
put it on manual with mid and footwell vents selected works a treat
Yep. Auto is useless in the cold. My biggest gripe with the "working as designed" argument is that in Auto, no air (warm or otherwise) comes out of the middle seat vents. So, as far as LR's designers are concerned, in the cold weather, the bag seat passengers get no warmth in Auto. Really??MY16 D4 Graphite in Loire Blue
8th Mar 2018 5:26 pm
philm
Member Since: 02 Oct 2016
Location: Manchester
Posts: 732
I still think GAP could probably do a program to alter how the stepper motors control the temp and be installed via IID tool.L633 Defender
Range Rover Velar-gone
Discovery 4 Landmark-gone
Gap IID Tool
8th Mar 2018 5:46 pm
al cope
Member Since: 08 Nov 2005
Location: Oldbury, WM
Posts: 10297
Given the commentary about this, I have been trying to see what airflow and what temp this is coming out of the vents with using the manual settings. The first thing is that the temp of the air coming out of the footwell vents is cooler than that coming out of the face or screen vents (for any given temp setting on the drivers side dial). My feet are always cold even though quite hot air is coming out of the face vents. I was surprised to see how far to the right of the drivers footwell the air comes out, for some reason I expected it to be like every other (non disco) car I have had and to be closer to the tunnel side.
Also, what was a bit odd was that quite cool air seemed to be coming out of the small vent panel where you all say the temp sensor sits behind.
AlVolvo XC90 B5 Plus Dark
Gone - MY18 D5 HSE - Corris on 22's with Black Pack
Now gone - MY16 D4 SE Tech, Loire Blue, Almond Leather, Privacy, plus some other goodies.
Old - MY12 D4 SDV6 XS Auto - Ipanema Sand with Almond Leather - Plus other niceties, and D4.com sticker
Older - D3 TDV6 XS Auto - Lugano Teal with Almond Leather, 20" Stormers, Shiny Tailpipes, DVD/TV - and obligatory D3 sticker
Ancient - D3 TDV6 S - Tonga with Ebony, 20" Stormers, satnav & DVD
Little window in the trim to left of the steering wheel.
Click image to enlarge
Time I confessed I thought that was a coin storage thingy. Luckily never used it as such.
(and my flipping posts are STILL posting whilst I'm typing … stuck keys ? maybe time I cleaned the keyboard a bit ? )
12th Mar 2018 5:20 pm
Ted Newman
Member Since: 09 Oct 2010
Location: SE London
Posts: 840
Just leave our MY11 D4 on auto for heating and aircon and after 7 years it has always been perfect - normally set at 21 degrees but can go up or down 1 or 2 degrees. In winter the cab is warm in a few minutes and in extreme heat it cools down quite rapidly as well! Absolutely no complaints. LR Discovery 4 XS pulling an Airstream 532 Caravan also own (since new) a 1996 MGF
12th Mar 2018 6:32 pm
Armpit
Member Since: 08 Mar 2017
Location: Manchester
Posts: 53
Just a quick post on this topic having suffered quite badly with the cold over the last few weeks.........I have pulled together some slides from the forum that I will print off and deliver recorded post to Landrover for the attention of Dr Ralf Speth. If no action following this, then it will be Autoexpress and after that Watchdog. If people are interested in supporting this at that level, then please let me know !
I can't seem to add the powerpoint, if anyone wants a copy please PM me you email address and I'll send it over.
I will be posting to Landrover this week......let's see where this take us.
Thanks - Paul
12th Mar 2018 8:35 pm
Gary_P
Member Since: 03 May 2016
Location: Kent
Posts: 1521
Hi Paul
Yes I'd like a copy of the slides. Been suffering with and looking on here at comments on this issue for some time so have a reasonable knowledge. I'll PM you my email address
Member Since: 17 Jul 2013
Location: North Yorkshire
Posts: 141
mines in comparison to my 2011 and 2005 disco (got a 2016 now)
Asked them to check heating at service in feb said there were no outstanding campaigns i.e the tsb had been done and was working normally.
As others say has to be in manual all time to work with a normal effect
im sure it trys to get to clever with the solar sensor if you could eliminate this im sure it would be better thats my assumption from what ive read could be totally wrong!
12th Mar 2018 11:34 pm
Redline
Member Since: 20 Jan 2018
Location: Warwickshire
Posts: 141
Works as intended is still the likely outcome.
I think a temperature swing of +/- 3C shows a less than competent design. That's just what I had today. 19.7C to 24.9C today. No sun to upset sensors.
I have a 30 year old Honeywell room thermostat that does a significantly better job.
Not impressed.Current : Discovery 4 HSE (2012 spec)
Current : BMW Z4 20i MSport
Current : BWM Z4 3.0SI Sport Auto
Previous : Freelander 2 HSE
12th Mar 2018 11:55 pm
mark the spark
Member Since: 22 Jun 2011
Location: southampton
Posts: 2477
similar history sloppy and same outcome
my05 and MY10 never had an issue and no problems ever on auto hardly ever had to touch the controls
current MY14 behaves very differently and ive given up with auto in winter .MY05 SE D3 Manual my first LR what a car
MY10 HSE D4 auto
MY14 XXV more buttons than the spaceshuttle
14th Mar 2018 4:29 pm
Armpit
Member Since: 08 Mar 2017
Location: Manchester
Posts: 53
Hi Guys,
Currently in contact with JLR following my letter / slides to Dr Speth........slow progress to date, another appointment to be made at the dealer - I have just responded stating that I would like to understand the diagnostic approach to be used as it clearly needs to be different than what has gone before.
Thanks - Paul
29th Mar 2018 7:34 pm
kajtzu
Member Since: 11 Aug 2017
Location: Helsinki
Posts: 6570
What kind of slides did you send him?
29th Mar 2018 7:41 pm
Redline
Member Since: 20 Jan 2018
Location: Warwickshire
Posts: 141
I don’t se LR releasing the design and test specifications for the climate control system. Just saying the system works as designed without offering up that documentation though is not helpful to anyone and proves nothing.
Only a set of controlled tests using calibrated measuring devices will show the CC pays only a passing relationship with the set temperature may get them to show the temperature tolerance is very wide or that it doesn’t meet their own specifications, or, it does work as well as we all believe it should.
I will try and get some data from a temperature logger I have over coming weeks.Current : Discovery 4 HSE (2012 spec)
Current : BMW Z4 20i MSport
Current : BWM Z4 3.0SI Sport Auto
Previous : Freelander 2 HSE
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in comparison to my 2011 and 2005 disco (got a 2016 now)
