 | Home > Maintenance & Modifications > Automatic oil cooler |
 
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| diesel_jim Member Since: 13 Oct 2008 Location: hiding Posts: 6093   
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Some fit coolers (like on challenge trucks) in the tub behind the bulkhead, but as with any cooler, it needs air to remove the heat, so in an air flow would be preferable.
The ones i've seen fitted in the back of vehicles usually have a fan on them too. |
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25th Dec 2014 9:41am |
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| Alex1976 Member Since: 23 Jan 2013 Location: Buckingham Posts: 596 
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From what I understand there is no such thing as overcooling an auto box - so the more air flow/cooling the better.
I have a standard discovery oil cooler on my Defender and I am considering uprating this to a heavy duty Allisport one as I think my auto box gets too hot when I am pushing it hard. I have my auto cooler mounted up front (in front of the rad and intercooler) so it gets as much cooling as possible. |
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25th Dec 2014 11:33am |
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| NickH Member Since: 01 Nov 2014 Location: Halifax Posts: 204 
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I used to replace the oil cooler with a made up hydraulic hose, the longer the better to dissipate more heat.
You can either run it up and down the chassis or in a snake behind the front grille. This was on comp safari motors where the autobox got beaten to death. The advantages being it doesnt get bothered/clogged with mud and you can run it anywhere. The longer it takes the oil to get back to the autobox the cooler it becomes and you are also increasing the volume of oil which prolongs its life.  2003 Td5 90
2013 sport hse 2012 700 raptor quad 2012 siromer 4x4 tractor |
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25th Dec 2014 11:47pm |
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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 
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or you could fit one of these nearly anywhere:
 Click image to enlarge |
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27th Dec 2014 10:15am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 
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That's the same principle used on the vessels I work on where each engine has a ton of oil in them. Where are you going to get your supply of cold water from to cool the oil sufficiently on a vehicle? Easy on a boat you have an endless supply upon which you are floating. 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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27th Dec 2014 10:28am |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2229 
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Quite a few vehicles have water to oil coolers which can also help to bring the oil upto temperature. Although a damaged cooler on an autobox which could let water into the fluid would ruin the box. 02' 110 TD5 Double Cab Rebuild Thread
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27th Dec 2014 11:29am |
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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018
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Many people rate these over a traditional air to oil cooler
http://www.laminova.se/products/oil-coolers/ especially in extreme applications. |
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27th Dec 2014 12:27pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8035  
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I run a Laminova, the largest one on one of my trucks. It's ok but has its limitations. In the end I fitted ask inline air to oil cooler too. Disco one.
I also run a 19&23 route seen cooler air to oil on another truck but run dedicated fans. these are all on hp24/22 amalgamated boxes from Ashcrofts. I would run a dedicated fan if its a std cooler unless your on small 31" tyres, or not towing. Cheers James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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27th Dec 2014 7:44pm |
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