 | Home > Puma (Tdci) > Oil cooler |
 
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7687  
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my 2011 2.4 has the later oil cooler fitted with spin on filter, it came with it but looks to be a std swap. Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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11th Mar 2024 11:35am |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1766 
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See topic https://www.defender2.net/forum/topic78318...oil+filter on changing to later type oil cooler.
See topic https://www.defender2.net/forum/topic82970...thermostat on whether you should have / not have an oil cooler thermostat. |
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11th Mar 2024 8:30pm |
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| SJM2018 Member Since: 06 Jul 2018 Location: Bristol Posts: 296 
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Thank you both.
The coolant appears to be leaking from between the cooler and the little thermostat housing; so I assume the o-ring has perished. I've ordered part LR005894 - not sure whether that comes with a thermostat inside or what temp it opens at (someone stated TºC???). If it does, I think I will remove the thermostat spring based on what's been said on the shared thread. In addition, I have a Webasto coolant preheat, so one would assume without the thermostat the engine oil should get up to temp quicker? 2011 CSW XS 90 |
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12th Mar 2024 10:14am |
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| SJM2018 Member Since: 06 Jul 2018 Location: Bristol Posts: 296
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Part arrived this morning with a spring inside.
Removed the spring and valve. Fitted (got absolutely drenched with coolant) and noticed the old one had the spring / valve removed too. The O-ring on the old one was totally shagged, and the housing was really perished, with a chunk missing that I fished out of the cooler. edit: I have a 2011 and the cooler / thermostat has never been touched, so mine must have come from the factory without a spring / valve. 2011 CSW XS 90 |
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13th Mar 2024 11:55am |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1766
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A result that you don’t need to replace the whole oil cooler
Also , that bares out what Degardel said on the linked topic above, I.e after circa 2008 LR stopped fitting the thermostat, replacing with an empty thermostat housing pipe. For many of us in the UK with the later Puma’s ( mine is a 2013 2.2) there is no fuel cooler so we have to drain coolant from the oil cooler as you have done . As you experienced it’s a bad place to drain from as the chassis prevents a direct line from the removed pipe and oil cooler to a bucket , the draining coolant hitting the chassis and going everywhere. Even with lots of strategically placed buckets it still goes everywhere and you need to hose down the inside and outside of the chassis and other components it’s come into contact with. I wear goggles when doing it as you don’t want coolant splashing into your eyes. Note: - The coolant LR use is Delo XLC , if using a concentrate it’s a 50/50 mix with deionised water. Its cheaper than getting it from LR, but can be hard to find. https://www.texacolubricants.com/en_uk/hom...olant.html When refilling and bleeding just follow the workshop manual process to get air out of the system |
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13th Mar 2024 1:00pm |
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| SJM2018 Member Since: 06 Jul 2018 Location: Bristol Posts: 296
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Very happy not to have to change the cooler!
Ah... I have been topping up with the pink/orange Halfords OAT Ready Mixed Antifreeze & Coolant. https://www.halfords.com/motoring/engine-o...16147.html Is this likely to cause an issue? I likely lost about a 1 litre of coolant (clamped both hoses to try to minimise loses - although I'm sure every last millilitre landed on me). Will run through the bleed process now! 2011 CSW XS 90 |
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13th Mar 2024 1:16pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1766
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I suspect that being an OAT the halfords one will be ok, however the actual specification for the coolant is ford WSS-M97B44-D, which is very, very similar but not exactly the same as GM Dex-Cool.
I believe the Halfords OAT will say its good for 5 yerars, whereas the LR / Delo XLC is meant to be good for 10years, although I change more frequently as generally a radiator fails before 10 years 
I tend to avoid mixing coolant from different manufacturers if I can, but sometimes it’s unavoidable. |
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13th Mar 2024 9:41pm |
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| SJM2018 Member Since: 06 Jul 2018 Location: Bristol Posts: 296
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Thanks Ian.
I look to refresh all the coolant for GM Dex-Cool when it gets its full service in June Kind regards Stu 2011 CSW XS 90 |
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14th Mar 2024 11:16am |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1766
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Just ensure whatever you use meets the ford WSS-M97B44-D specification. Delo XLC certainly does as it's what LR use and sell, just bottled with the LR label. Ford obviously sell their coolant of that spec, and so do other companies such as comma. If you do a search for that spec you will find may vendors and prices.
You will need at least 13 litres of pre mixed , so probably three 5L containers, or a 5L and 2L container of concentrate plus two 5L containers of deionised water. |
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14th Mar 2024 12:09pm |
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