faulksy
Member Since: 24 Dec 2023
Location: powys
Posts: 344
  
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French Collection wrote:I removed the sensor and cleaned it with a cotton bud and alcohol. It was quite dirty.
When I the sensor out I blew compressed air down the tube.
I will post again in a few days with a status update.
how do you remove the little panel ?
thanks had a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12
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 26th Dec 2023 2:53 pm |
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French Collection
Member Since: 15 Apr 2020
Location: Aix-en-Provence
Posts: 48
 
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On the D4, lever out the ignition button disconnecting the electrical plug, lever up the flat trim in front of the screen, remove the 2 Torx screws. Lever out the chrome surround around the control panel below the screen, and the chrome trim around the temperature knobs. Then there is one more black trim around this control panel.
When I say lever up / out etc, do this gently! I used plastic trim removal levers.
Remove the lower panel with the vent below the steering wheel. This has clips and the top and two tongues along the bottom, so pull
it towards the seat at the top. Then you should be able to pull the panel off. It comes complete with the vent. Pull it sharply from the bottom, then disengage it at the top just above vent.
Then you will be able to access the temp sensor. Bentley 8
Rolls Royce Silver Shadow
Triumph Stag
Volkswagen Karmann Ghia Razor Edge
Jaguar XJC
Jaguar E-type
Jaguar XK8
Land Rover Discovery 4
Mercedes E350
Ford Granada 2.8 Ghia X
Ford Granada 2.8i Ghia X
Ford Granada Ghia Coupe
Ford Model Y
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| 26th Dec 2023 3:17 pm |
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faulksy
Member Since: 24 Dec 2023
Location: powys
Posts: 344
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thank you so much  had a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12
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| 26th Dec 2023 3:22 pm |
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Kimdk
Member Since: 25 Jan 2024
Location: Sjaeland
Posts: 7
 
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| Re: Cabin temperature sensor calibration on Discovery 4 |
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I have the same problem showing about 7-8 to high.
Set the cabin temp to 22 and iid gap shows 30 degrees.
The it send in cold air, then I’m freezing
Have checked the sensor total clean.
Found this tec bulitin. But stills reading wrong 😑
https://www.disco3.co.uk/gallery/albums/us..._TOPIx.pdf
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| 25th Jan 2024 9:41 pm |
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faulksy
Member Since: 24 Dec 2023
Location: powys
Posts: 344
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thanks for that. dont know were that is  had a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12
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| 8th Feb 2024 9:21 pm |
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Kimdk
Member Since: 25 Jan 2024
Location: Sjaeland
Posts: 7
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I tryede the fix but still reads 6-8 degrees wrong 🤯
Thourgt about extending the senscor with some wire so it will be closer to where the intake is, to see if this will help
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| 9th Feb 2024 7:28 am |
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French Collection
Member Since: 15 Apr 2020
Location: Aix-en-Provence
Posts: 48
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The fix in the technical bulletin had already been applied to my car. But the foam seemed to be permanently squashed and I thought it migh not be working correctly. I added some more foam, may have made a slight difference. Bentley 8
Rolls Royce Silver Shadow
Triumph Stag
Volkswagen Karmann Ghia Razor Edge
Jaguar XJC
Jaguar E-type
Jaguar XK8
Land Rover Discovery 4
Mercedes E350
Ford Granada 2.8 Ghia X
Ford Granada 2.8i Ghia X
Ford Granada Ghia Coupe
Ford Model Y
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| 9th Feb 2024 11:32 am |
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Gary_P
Member Since: 03 May 2016
Location: Kent
Posts: 1682
 
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People have tried and failed to solve this. See thread below.
https://www.disco3.co.uk/forum/topic132371.html
Yet to hear of anyone solving it. I treat the numbers on my temperature setting dials as ' comfort numbers'. Like the numbers on a radiator thermostatic valve. They bear no relationship to actual temperatures in the car. If it's cold and we're on a long journey at faster speeds ( when I notice the lack of heat most), we'll wind it up to high twenties. Gary
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Discovery 4 HSE 2016MY
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| 9th Feb 2024 12:18 pm |
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Kimdk
Member Since: 25 Jan 2024
Location: Sjaeland
Posts: 7
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the problem er see for just dialing up the temp is that it then will just start blowing more cold air out to meet the etc. 23 degrees
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| 9th Feb 2024 1:33 pm |
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Gary_P
Member Since: 03 May 2016
Location: Kent
Posts: 1682
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Are you thinking of the 'auto' setting ? I never use that because of this issue. Gary
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Discovery 4 HSE 2016MY
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| 9th Feb 2024 2:13 pm |
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Kimdk
Member Since: 25 Jan 2024
Location: Sjaeland
Posts: 7
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Yes, that was what I meant, has only used this, but will try it Manuel in the snow weather today.
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| 9th Feb 2024 2:30 pm |
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patrick77_disco4MY16
Member Since: 14 Nov 2024
Location: Graz
Posts: 4
 
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| Any Solution for this issue? |
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Hi, i have the same problem ...
set temp to 22 deg... but IID reads 30deg from the in-vehicle sensor
Just wondering whether someone has found a solution?
many thanks for your help, patrick
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| 23rd Dec 2024 1:54 pm |
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Gary_P
Member Since: 03 May 2016
Location: Kent
Posts: 1682
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Many have tried. There was a LR fix for this but people reported marginal or no improvement.
Best treat the numbers on your temp dials as comfort numbers and dial up to when you feel comfortable. Gary
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Discovery 4 HSE 2016MY
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| 23rd Dec 2024 1:56 pm |
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patrick77_disco4MY16
Member Since: 14 Nov 2024
Location: Graz
Posts: 4
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Thanks Gary.
So its not worth replacing the sensor, right?
best, patrick
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| 23rd Dec 2024 2:02 pm |
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Gary_P
Member Since: 03 May 2016
Location: Kent
Posts: 1682
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From experiences on here, no.
Here's a link to one topic on this subject.
https://www.disco4.com/forum/cant-get-warm...emperature Gary
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Discovery 4 HSE 2016MY
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| 23rd Dec 2024 2:38 pm |
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