 | Home > Puma (Tdci) > coolant temp gauge - and the truthfulness |
 
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| zone30 Member Since: 07 Sep 2012 Location: Gent Posts: 669   
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FYI I'm always floating round 85 - 88, in some non standard conditions it creeps over 90. If I remember correctly I once hit 100 when extremely hot outside temp and traffic jam. That was the only time my ULTRAgauge went into alarm, so kept a close eye on it to make sure it did not suddenly shot up, which it didn't.
PS 2.4 TDCi updated to "ULTRA"gauge (sorry) Last edited by zone30 on 5th Aug 2014 2:17pm. Edited 1 time in total |
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5th Aug 2014 1:11pm |
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| Phil VM2.5 Member Since: 28 Mar 2012 Location: Limelette Posts: 196 
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Hi,
will you tel me more about "That was the only time my scangauge went into alarm" I have also a scangauge , not always fitted, but I did not know that a alarm could be used ... regards, Philippe current : defender 110 sw 2.2 puma 2012 and 230.000km today and again my Range Rover VM2.5 engine from 1992 and 528.000km today. One ten 1988 to 1992 1987 BMW GS80 One Ten from 1984 to 1987 One Ten from 1983 to 1984 Serie 3 109 from 1980 to 1983 from 1974 Jeep CJ3B and CJ6 |
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5th Aug 2014 1:43pm |
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| Josh K Member Since: 01 Nov 2013 Location: Herefordshire Posts: 266  
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I'm also using a 2.4 TDCi and mine generally runs at 90-93 although on longer journeys it can creep up a degree or 2 past that. Is there a typical coolant temperature for the Defender? 2007 (57) Defender 90 (Sold) Looking for another to replace it. The road less travelled.... is a muddy one! |
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5th Aug 2014 2:04pm |
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| zone30 Member Since: 07 Sep 2012 Location: Gent Posts: 669
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Look into the menus or go to the site and read the manual. It's quite easy. You can put an alarm on just about anything the ULTRAgauge can show. Even a top and bottom threshold if you want. I have only set it on engine temp, intake air temp, battery power and a few others but only the first 2 ever went of (I turned of the anoying ones like fuel load etc). PS, buy a splitter and place it in you ODBII, use one to put the gauge on (the other leave unused for when a professional needs a plug). This way you can leave it in all the time. I've put it between the steeringwheel and dash, in front of the unused spot. I've since learned that air intake takes a lot of engine heat and can warm up quite hot. Since then the idea is in my heat to heat shield it better or use heat insulation on the intake air duct. I read a lot of stuff about cooling air with oversized intercoolers and such, but nobody seems to bother with the initial intake temp for some reason... |
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5th Aug 2014 2:14pm |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069 
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You can always stick the heater on hot to reduce the coolant temp
I monitor the airbox temp using the ultra gauge when I was in the arctic. When the temp drops below -25c the rocker cover to airbox breather freezes up |
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5th Aug 2014 7:19pm |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816 
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Issue was discussed at length in belows... but without a simple solution
http://www.defender2.net/forum/topic28536....water+temp I do not really desire any of the scangauge type monitors, actually do not have a clean space on the dash in the SVX due to the factory Garmin support, and only am interesting in real water temp visibility. Reprogramming the water temp gauge seems not an obvious thing, and installing a VDO water temp gauge seems problematic too as it requires its own sensor to be screwed into the engine, but where? There recently was a specific thread on aulro.com about installing a VDO water temp gauge into a Defender, and from what I read, it seems not really a succesful experience. Starts to feel like a dead end.... Eric You never actually own a Defender. You merely look after it for the next generation. http://youtu.be/yVRlSsJwD0o https://youtu.be/vmPr3oTHndg https://www.youtube.com/watch?v=_GtzTT9Pdl0 https://www.youtube.com/watch?v=ABqKPz28e6A https://www.youtube.com/watch?v=rLZ49Jce_n0 https://www.youtube.com/watch?v=XvAsz_ilQYU https://www.youtube.com/watch?v=K8tMHiX9lSw https://m.youtube.com/watch?v=dxwjPuHIV7I https://vimeo.com/201482507 https://www.youtube.com/watch?v=ZSixqL0iyHw |
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6th Aug 2014 3:24am |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6308  
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I think I may be a dodgy one!
Ok it was cold this morning so that might be the answer.......everything seemed fine by the way I was just surprised - Drove nearly 100 miles this morning and temp stuck around 86 - 89c then got stuck in traffic at a crawl and temp dropped to 70 - 73c. Ok I had warm air blower on but even so? Normal? |
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6th Nov 2014 6:04pm |
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| munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558
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hot water for the heater is taken before the thermostat , so in traffic just ticking over it is possible for the temperature to drop below normal running temp and thermostat closes , so yes if you got heater on and the engine not doing any real work temp can drop then as you start to work engine again temp would rise
its surprising how little cooling you need to drop engine ticking over temp if you started cold engine then have heater on full blast doubt it would reach running temp ever |
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6th Nov 2014 6:30pm |
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| Fifth Horseman Member Since: 08 Mar 2011 Location: Lanarkshire Posts: 325 
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Probably, yes. Modern diesels do not generate much excess heat when under low loads. For this reason and to speed warm-up in cold weather a lot of diesel engine vehicles have a supplementary coolant heater. The D3 is the first example that comes to mind. On my old Disco2, if you got stuck in traffic on a cold day with the heater on you could watch the temp gauge drop to just above the blue zone. |
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6th Nov 2014 6:35pm |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6308
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Wow. Just been for another drive low temps...just never noticed it so low before. Also expected temp to go up at end of low drive not down....with wind chill effect while driving and then non just assumed it would get hotter not colder especially as it was light load at 40mph for along time before stoppping.
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6th Nov 2014 6:47pm |
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