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SDV6 Coolant Temperatures
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nickhodgson
 


Member Since: 23 Jul 2020
Location: Lusaka
Posts: 25

2015 Discovery 4 3.0 SDV6 Base 7 Seat Auto Corris GreyDiscovery 4
SDV6 Coolant Temperatures

Hi

Does anyone know what coolant temperature triggers the car to switch off the air-conditioning compressor and what coolant temperature triggers the dash temperature gauge to go to the red zone?

Thanks
Nick
  
Post #222094529th Mar 2021 5:47 am
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nickhodgson
 


Member Since: 23 Jul 2020
Location: Lusaka
Posts: 25

2015 Discovery 4 3.0 SDV6 Base 7 Seat Auto Corris GreyDiscovery 4

Hi

Is an engine degrees C of 102 normal in this situation (as shown in the picture). The car is in Zambia and it is a warmish day. The car has also covered 47,000kms.

Does anyone else run an Ultragauge on their Disco 4 that could compare?

Thanks
Nick


 2015 Discovery 4 SDV6 HSE
2011 Defender 130 2.4 Puma
1995 Defender 90 Pickup
2000 Defender 110 Pickup
2020 Toyota Land Cruiser 79 D/C 
 
Post #224845126th Aug 2021 2:34 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8044

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Yes it’s normal for an engine to go over boiling point on a hot day when working, this is the reason for a sealed water system, if you take the cap off you will be met with a burst of boiling water because the pressure has been lost, in other words DO NOT TAKE THE CAP OFF AT SUCH TEMPERATURES, WAIT FOR IT TO COOL, even then with care.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #224849126th Aug 2021 7:11 pm
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Duc750
 


Member Since: 07 Aug 2017
Location: northampton
Posts: 305

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Java BlackDiscovery 3

I believe its in the hand book - I could be wrong but i think its 105 degrees for 3/4 on the guage
 05 D3 V8 HSE, LR Passion tree bars, wildbear compressor guard, LRP switch panel, ARB rear locker + compressor, Trigger 6 shooter electrical system
12 RRS SDV6 HSE (Hers) - Gone and replaced with an I Pace - I can tell you now EV is not the future yet
Metalian Camper trailer 
 
Post #224850526th Aug 2021 8:12 pm
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nickhodgson
 


Member Since: 23 Jul 2020
Location: Lusaka
Posts: 25

2015 Discovery 4 3.0 SDV6 Base 7 Seat Auto Corris GreyDiscovery 4

Hi Duc750

Previously had the car up to 108 Degrees on a big long fast hill and temp gauge did not move? I have the handbook but can't find the reference to where the dash gauge should be relative to the engine coolant temperature. I also checked the workshop manual where there are descriptions of operation for the coolant system and could not find a reference there either.

As soon as the hill is over the temperature drops to the low 90's.

Cheers
Nick
 2015 Discovery 4 SDV6 HSE
2011 Defender 130 2.4 Puma
1995 Defender 90 Pickup
2000 Defender 110 Pickup
2020 Toyota Land Cruiser 79 D/C 
 
Post #224854227th Aug 2021 5:32 am
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DiscoJeffster
 


Member Since: 27 Feb 2016
Location: Perth
Posts: 204

Australia 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

I'm pretty sure you'll go up to 115degC before it will actually move the needle and get angry at you. Those temps are absolutely normal range.
  
Post #224858427th Aug 2021 10:43 am
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