 | Home > Maintenance & Modifications > Puma water temp gauge function |
 
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816   
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Munch, if that is indeed how it really functions, there we have the problem. It is not normal that a water temp gauge stays firmly in the middle until the water temp reaches 115°C.... Now, if the manual says that, it forgets to mention that indeed between cold and what must be 75°C, the needle moves nicely and gradually up and down with increasing or decreasing water temp.... So the question remains, why couldn't it do the same above 75°C and keep gradually moving up with the water temp from middle til the red line.... That would give the right and timely warning signal. 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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2nd May 2014 5:15am |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2661  
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One of the reasons why the needle stays in the middle on most vehicles is to not alarm people unnecessarily?
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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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2nd May 2014 8:32am |
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| Cheshire110 Member Since: 26 Jul 2013 Location: Cheshire/London Posts: 2770 
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115? Normal?!
Speaking of which, 115 appears to be the temp that mine goes into limp mode so that all seems right above. Strange thiugh. You'd think that there should be a 'high' zone from say 95-115 to warn you it's running hot then... Cheers, David Land Rovers of all shapes S3 onwards… Daily is a 110 V8. |
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2nd May 2014 8:45am |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816
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I don't think it does that on most vehicles. On most vehicles this gauge will move more or less linear with rising and lowering water temp to give you reality picture. As the Puma gauge perfectly does between cold and "normal" level by the way, so technically it must be possible for it to do that all the way to red too. Frankly, the way the Puma water temp gauge is set up from "normal" to "dangerously high" level is straightforward Ostrich Policy..... No more, no less. 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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2nd May 2014 9:27am |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2661
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Nope, not so. In every single vehicle I have driven, the temp gauge moves slowly to the normal position and then stays there, even though we all know the coolant temp is constantly changing. On my Sentra, Defender Td5, Disco Td5, old Audi A3, brand new Audi A3, my brother's Corsa, brand new Touareg, etc. This is why I have the EMS - I can see what is happening to the coolant temp and can adjust my driving depending on the ambient temperature, slope of the road, towing/not, etc. -- 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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2nd May 2014 9:35am |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816
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^^ and stays there..........
OK, I guess you mean above normal in this case. In any case my Puma gauge when it reaches normal, but when in colder weather conditions I get into stationary trafic, the gauge will continue to gradually move back down in direction of the cold level in line with eventually lowering water temperatures. So between cold and normal, the gauge shows continuously the real water temp, but not above. My viewpoint remains unchanged, as the Puma gauge is set up to fly up straight from normal to the red zone at a already dangerously high temp of 115°C or so, there is little time given to react and to avoid engine damage. So it would be worth something to me if this could be reprogrammed in order to get away from this ostrich policy and just show the real thing. 
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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2nd May 2014 9:53am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 
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Why don't we have a whip-round and buy Eric a suitable bluetooth gizmo or a Scangauge perhaps? I'm in!
If it ain't broke don't mess with it! If you go through life with your head in the sand....all people will see is an ar5e!!
Treat every day as if it is your last....one day you will be right!! |
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2nd May 2014 10:17am |
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| Happyoldgit Member Since: 14 Sep 2007 Location: Norfolk Posts: 3471 
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Ah but it might be broke and just not showing it
 Does this mean Caterhamitis could be contagious?  Steve.
Owned numerous Land Rover vehicles of all shapes and sizes over the decades. Current Defender: A non tarts hand-bagged Puma 110 XS USW. [Insert something impressive here such as extensive list of previous Land Rovers or examples of your prestigeous and expensive items, trinkets, houses, bikes, vehicles etc] http://forums.lr4x4.com I used to be Miserable ...but now I'm ecstatic. |
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2nd May 2014 10:28am |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816
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Luckily no need for that. I would rather have a functioning water coolant temp gauge, which would give a decent indication when water temp rises above normal, and I surely am not interested if the temp is exactly at 83°, at 84°, and so on, so a well functioning standard temp gauge could do just that. And as said, I would happily have paid for such a software change. But seems problematic I guess. I surely am not interested in the scangauge gizmos, and if it appears that there is no cure for this with the standard water temp gauge, I already have in mind a different solution which will give the correct water temp and which will fit my dash like a glove. 
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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2nd May 2014 10:56am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610
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Crack on with it and then share the information for anyone that may be interested! Or share now to see if there are any flaws!
If you go through life with your head in the sand....all people will see is an ar5e!!
Treat every day as if it is your last....one day you will be right!! |
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2nd May 2014 11:00am |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816
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I am thinking of putting this type of VDO gauge into the side of the center dash with the right sensor at the engine for the water temp. Now don't ask me about technicalities for this, I guess I will ask my dealer or another specialist to do it.
In any case this type of classic VDO gauges suits a Defender quite well I think. Anybody have done this already, or any comments, suggestions, is there enough space behind the center dash side for this gauge, maybe someone kill the idea as unworkable.....? Comments and advise welcome
Eric
http://www.ebay.co.uk/itm/VDO-Water-Temper...3f1f0f5caa 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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2nd May 2014 11:35am |
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| munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558 
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40-120 so much the same as standard one
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2nd May 2014 11:45am |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816
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Correct, but it shows the real water temp, and I am not going to wait until it is showing 120°C before taking some action.
Think this type of VDO gauges which is a sober design which exists already for many decades fits the Defender design very well.
Nobody on here has done that sofar? 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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2nd May 2014 12:24pm |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816
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My main question to you technical wizzards now is, while leaving the sensor/sender of the standard Puma water temp gauge in place, so keep letting the standard gauge do its standard thing
 , is there another obvious place on the Puma engine where I could put another VDO water temp sensor/sender for the VDO gauge?
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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2nd May 2014 12:42pm |
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