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| RDR Member Since: 27 Apr 2018 Location: Derbyshire Posts: 570  
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On other land rover models the def system monitors the temperature and avoids using it when it’s freezing there must be some get out clause in the policy. Came up on LR forums when when DEF system came out people were very concerned about it freezing up. I know my D4 ran fine for days at -10 or more without any warning lights or bongs. 110 MY23.5 X Dynamic HSE
RR MY23 HSE PHEV D5 MY19 HSE - Now Sold D4 MY16 HSE Luxury - Now Sold D4 MY12 HSE - Gone D3 MY06 S - Gone but not forgotten Last edited by RDR on 23rd Sep 2020 7:52am. Edited 1 time in total |
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23rd Sep 2020 6:40am |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2588  
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Interesting to see that Matzker has already developed remaps for the diesel engines. --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged 
Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ |
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23rd Sep 2020 7:34am |
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| Tim in Scotland Member Since: 23 May 2007 Location: The Land that time forgot Posts: 3750 
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The engines have been in use in D5, RRS, Evoque and Discovery Sport for getting on for 4 years now so I would ask what took them so long! Pangea Green D250 90 HSE with Air Suspension, Off-road Pack, Towing Pack, Black Contrast roof , rear recovery eyes, Front bash plate, Classic flaps all round, extended wheel arch kit and a few bits from PowerfulUK Expel Clear Gloss PPF to come
2020 D240 1st Edition in Pangea Green with Acorn interior. Now gone - old faithful, no mechanical issues whatsoever ever but the leaks and rattles all over the place won’t be missed! |
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23rd Sep 2020 7:59am |
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| L90Andy Member Since: 29 May 2014 Location: Stratford-Upon-Avon Posts: 716 
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I've always wondered that too. Its a colourless fluid though so not acutally blue, I think that's a marketing term when to signify its green credentials things were called Blue, Bluemotion etc 
Any yes, the pump module on the bottom of the tank (Bosch supplied IIRC) contains a heating element to prevent freeze in cold weather climates. Instagram: l90andy 2006 Land Rover 90 TD5 CSW Silver Edition My 1984 Ninety: http://www.defender2.net/forum/topic56071.html - SOLD! My 2015 Defender: http://www.defender2.net/forum/topic39625.html - SOLD! |
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23rd Sep 2020 9:24am |
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| Tim in Scotland Member Since: 23 May 2007 Location: The Land that time forgot Posts: 3750
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Would you need DEF if you had a Russian / Ukrainian spec Diesel engined Defender? IE in those markets are DPF’s required? Pangea Green D250 90 HSE with Air Suspension, Off-road Pack, Towing Pack, Black Contrast roof , rear recovery eyes, Front bash plate, Classic flaps all round, extended wheel arch kit and a few bits from PowerfulUK Expel Clear Gloss PPF to come
2020 D240 1st Edition in Pangea Green with Acorn interior. Now gone - old faithful, no mechanical issues whatsoever ever but the leaks and rattles all over the place won’t be missed! |
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23rd Sep 2020 10:17am |
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| lohr500 Member Since: 14 Sep 2014 Location: Skipton Posts: 1285 
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I had thought about using water as well. From the internet it is circa 68% de-mineralised water anyway. Did a few searches and came up with a few posts indicating that using just water would work in an emergency but eventually the system would object as the particle filter wouldn't clear and the adblue injector system could get clogged if water with a high mineral content was used. That being said, if my engine refused to start in the middle of nowhere, either because I hadn't got any spare Adblue with me or I'd put a hole in the tank, I'd use water in preference to a long walk or death!! |
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23rd Sep 2020 11:57am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16871 
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Is the tank only heated when the ignition is on? Can it freeze overnight and if so, what happens? Since Adblue (possibly "Adclear" would be a better name) is mainly water I presume it expands as it freezes, so is a ruptured tank a risk on a seriously cold morning? |
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23rd Sep 2020 12:10pm |
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| lohr500 Member Since: 14 Sep 2014 Location: Skipton Posts: 1285
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From a bit of general reading on Adblue on the web it would seem that the systems are designed to cope with freezing. It would make sense as vehicles parked for extended periods in the cold wouldn't have enough battery power to keep running a tank heater.
The injection pump and lines are designed to be purged when the vehicle is shut down and the heater/s kick in once the vehicle is started. With a freezing point of -10.5 C it must be a fairly common event for the stuff to freeze for days on end in vehicles parked up in many areas of Europe and beyond. Whether JLR have done a good job on the installation is another matter!!!! I presume they will be using existing technology and suppliers for the kit, so there is some hope. |
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23rd Sep 2020 2:50pm |
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| Matt110 Member Since: 29 Jun 2014 Location: UK Posts: 673
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Adblue is one question - but a much bigger one here would be DPF regen strategy and to make sure that the DPF is capable of remaining clear and has a cleaning strategy that allows it to idle for extended periods of time. Given experience with other vehicles.... that's not the case. Most modern vehicles will also only idle for short periods before they give you a warning on the cluster that says "engine stopping in 30 seconds, press to cancel". It's done for both DPF reasons, but also to make sure you can't park the car in your garage, and leave it running and polute the house with exhaust gases. No idea what the strategies are in the new defender, but they'd both need answering before you took the vehicle and needed it to run and idle overnight constantly. |
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23rd Sep 2020 3:06pm |
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| Tim in Scotland Member Since: 23 May 2007 Location: The Land that time forgot Posts: 3750
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That comment about switching off automatically is quite interesting because last week I parked near a Jaguar FPace that had been parked up and left with its diesel engine running and nobody around claimed ownership, it was still running 2 hours later when I came back to my car! All that diesel going to waste, all the pollution from the exhaust and what damage had they done to the DPF because with the car stationary it wouldn’t carry out any regen cycle just idling for several hours. Pangea Green D250 90 HSE with Air Suspension, Off-road Pack, Towing Pack, Black Contrast roof , rear recovery eyes, Front bash plate, Classic flaps all round, extended wheel arch kit and a few bits from PowerfulUK Expel Clear Gloss PPF to come
2020 D240 1st Edition in Pangea Green with Acorn interior. Now gone - old faithful, no mechanical issues whatsoever ever but the leaks and rattles all over the place won’t be missed! |
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23rd Sep 2020 4:39pm |
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| Matt110 Member Since: 29 Jun 2014 Location: UK Posts: 673
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Certainly other makes will do the shut off after extended idle.
I've not had a recent "modern" JLR product to know if they do the same. But I know i couldn't do that in my current road car. It would shut down after 30 minutes. Static and idle based regeneration is technically possible, but just nowhere near as robust as a driven vehicles capability to regenerate. The question is whether after that very long period idling you'd generate sufficient soot over time to exceed the vehicles capability to regenerate at idle, especially given the super low temperatures. My guess is its not capable. |
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23rd Sep 2020 5:05pm |
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| Tim in Scotland Member Since: 23 May 2007 Location: The Land that time forgot Posts: 3750
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The new Defender has a remote engine start facility from the LR Remote app but that will only allow the engine to run for 30 minutes before shutting it down again. I’m surprised that they are allowed to give us this facility in view of many locations having regulations for sitting stopped with the engine prolonged running/idling in an attempt to reduce emissions pollution Pangea Green D250 90 HSE with Air Suspension, Off-road Pack, Towing Pack, Black Contrast roof , rear recovery eyes, Front bash plate, Classic flaps all round, extended wheel arch kit and a few bits from PowerfulUK Expel Clear Gloss PPF to come
2020 D240 1st Edition in Pangea Green with Acorn interior. Now gone - old faithful, no mechanical issues whatsoever ever but the leaks and rattles all over the place won’t be missed! |
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23rd Sep 2020 5:46pm |
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| G4R1 Member Since: 17 Aug 2020 Location: Barnet/Limassol Posts: 127
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Valid points. Will have to do some research on that. |
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23rd Sep 2020 6:10pm |
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| Zed Member Since: 07 Oct 2017 Location: In the woods Posts: 3014
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Urban have wheels and shiny bolt on bits for the new Defender.
Not all on their site but should be soon https://houseofurban.co.uk/collections/defender-2020 WARNING. This post may contain sarcasm. |
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23rd Sep 2020 10:03pm |
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