 | Home > Td5 > Warm up in cold weather |
 
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324  
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Ah, ok. That puts a slightly different slant on it. I'm not sure that really translates as saying the rad is on the limit of capacity
 Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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10th Dec 2013 10:26pm |
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| Pam W Member Since: 25 Oct 2011 Location: North Yorkshire Posts: 1169  
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My 90 used to be a 3.9 V8, warmed up in about 2 miles/minutes but was a proper PITA when stuck in traffic or at slow speeds like green laning..
Big change when I swopped it for a Td5 - now it takes about 5-8 miles to warm up if travelling out of town, but travelling at slow speed from home into town (about 5 miles) it pretty much doesn't properly warm up at all. Recently been working 6 miles from home, but in the middle of town, taking about 25 minutes in slow moving traffic. Hardly ever got to proper warm... 
As part of our expedition prep we fitted a Mad Man monitor. Now I know the exact temperature it gets to when I start feeling luke warm air - about 70 degrees, and when I start getting proper warm air - when it is fully warmed up at about 88 degrees. Pushing it a bit in warm weather it reaches about 90 then quickly drops back to 88 or so. In heavy traffic it struggles to stay at full operating temperature and sometimes starts to cool down - completely the opposite of the V8!! Although it is cold in winter, that is less stressful than having sitting in traffic on a hot day watching the temperature go up and up and wondering where I might be able to turn off and get some speed up to cool it down! I just put an extra layer on, big coat, wooly hat and gloves!   Our blog - http://landytravels.com/
Yorkshire Off Road Club - http://www.yorkshireoffroadclub.net |
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10th Dec 2013 10:32pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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I agree, but going by what you've now told us it would appear that you've exceeded it. Whether the specifics of what you've done (both the dunking and cleaning) are a reasonable expectation or not is a bit difficult to judge from here. Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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10th Dec 2013 10:42pm |
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| Laurie Member Since: 22 Feb 2008 Location: Sussex, England Posts: 2897 
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I don't pressure wash the rad because of the risk of bending fins.
I take the front grill off and use a normal garden hose nozzle on both the front and back of the radiator until the water runs clear. I then start the engine and run at about 1K revs. I hose the front through the reachable parts of the radiator and via the air-con rad until the water runs clear. That should be sufficient. My car is completely standard. I was considering chipping but this has put me off. It does only flick into limp mode when towing my 1.5 ton caravan at 60mph on motorways in hot weather. If I drop the speed to 50mph it's fine.  |
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10th Dec 2013 10:58pm |
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| jimbob7 Member Since: 06 Jul 2013 Location: uk Posts: 2055 |
Did it a few weeks ago usin the bubble foil type stuff with foam underneath and half a dozen cable ties, due to the awkward shape of the airbox I cut out separate pieces then glued them together before cable tying it to the heater box also lagged teh 2 pipes going to and from the heater box (28mm foam pipe is a perfect fit + cable ties).In temps of 4-5 deg about 1.5 miles and the air temp starts to increase,4-5 miles and the heater is pretty much up to maximum temp.I also stuck/cable tied thick felt to the underside of the bonnet.Not had chance to try it at sub zero yet,frikin heatwave of a December we havin,meh! I think mostly comes from having a working thermostat and properly adjusted controls so it may not be making a massive difference but I'm not taking it off until we've had proper cold weather. My old Corsa didn't warm up any quicker,also bort a rad muff but not needed it yet,lol. Pov.spec,ftw. 2006, 110,TD5. |
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10th Dec 2013 11:02pm |
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| Landlord Member Since: 27 Oct 2009 Location: Hampshire Posts: 582 
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Laurie - sounds like you have problem with your cooling system. You should be able to tow 3.5 tonnes all day long in the summer on a motorway. Suggest you double check your rad, viscous fan and serpentine belt. I certainly wouldn't have a remap until you've sorted the cooling system out, doesn't sound like your rad would cope with it at the moment.
2007 TD5 90 Hard Top |
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11th Dec 2013 7:48am |
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410
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Then there is something definitely wrong with mine as it never cuts in... also sounds like a bag of spanners in a cement mixer when I finally got it working again... I need a new fan for sure... |
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11th Dec 2013 8:08am |
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| Laurie Member Since: 22 Feb 2008 Location: Sussex, England Posts: 2897
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It's been doing it as long as I've owned it. It's been properly serviced by a company I trust. Maybe it's time to investigate............ |
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11th Dec 2013 11:05am |
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| Lou Sparts Member Since: 15 Apr 2012 Location: Kent Posts: 1501 
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@ geobloke, How often does it reach 28 degrees celcius in Wales
2005 Td5 90 XS
Steve |
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11th Dec 2013 11:29am |
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| Landlord Member Since: 27 Oct 2009 Location: Hampshire Posts: 582
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Do you have to top up the coolant during the summer. Could be as simple as the expansion bottle cap is faulty and therefore your system is not maintaining pressure under heavy load in the summer 2007 TD5 90 Hard Top |
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11th Dec 2013 11:41am |
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| Laurie Member Since: 22 Feb 2008 Location: Sussex, England Posts: 2897
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Never had to top up anything.
The ECU is designed to put TD5s into limp mode at 105°C We belted it up and down a dual carriageway until it reached that, measured on an analytical plug-in. |
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11th Dec 2013 11:50am |
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| Landlord Member Since: 27 Oct 2009 Location: Hampshire Posts: 582
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Seems strange, should be able to take it easily. Forget the caravan, if you ventured down to the Sahara you'd probably have the same issues, many Landy's with air con head that way without issues - many also get issues
TD5's and TDi's usually have to much cooling ability. I had a Lotus which did the same a few years back turned out to be the electric fan coming on at the wrong temperatures. If you have electric fans it might be worth checking the cut in / out temperatures. You also say it "only stated after going through some gloop" - hint is in your post then - something wrong somewhere. Fan sensor, temp sensor, rad fins or fan itself not working correctly or a combination. 2007 TD5 90 Hard Top |
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11th Dec 2013 12:43pm |
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| Laurie Member Since: 22 Feb 2008 Location: Sussex, England Posts: 2897
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Everything appears to operate as it should.
After a number of 'limps' the ECU switches the air-con fan on. This then comes on continuously on the ign switch until an ECU reset is carried out. |
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11th Dec 2013 1:14pm |
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| Lou Sparts Member Since: 15 Apr 2012 Location: Kent Posts: 1501
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I think the problem is probably a build up of dried mud on your radiator, as you say not easy to clean when you have A/C.
On one of my previous Defenders i had to remove the radiator to clean it properly after a day at a pay and play site. 2005 Td5 90 XS Steve |
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11th Dec 2013 1:21pm |
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