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05-10-2013
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I just registered
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Join Date: Sep 2013
Location: Gold coast
Posts: 8 What Jeep do I drive?: WJ
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Oil cooler bypass 2.7 crd wj
as previously, i have blown 2 oil coolers i 18 months and decided to make a cooler bypass to prevent this from happening again, i believe this unit is more for heating up the oil in very cold climates rather than being used for cooling down the oil, as it is tucked in behind the timing case without any cooling airways and out of the air flow, But thats is just my opinion, Anyway i have built my first bypass and ready to bolt it on for testing, i have made the water return back to the block larger ,but left the 16mm restriction to keep the water flowing at the same rate to prevent any hot spots or cool spots, and the same with the oil gallerys to keep the oil pressure the same , i have already started my second design,which will have a cooler adaptors fitted, here are a few pics ,
Hello not sure if these downloaded, if interested just drop me a email and i will send them to you ...Happy to help fellow Jeepers ...Thanks Rod
thesourceror777@bigpond.com
Last edited by rodthejeepman777; 05-10-2013 at 10:41 AM.
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05-10-2013
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CrawlerStar
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Join Date: Jun 2006
Location: Melbourne
Posts: 384 What Jeep do I drive?: KL
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Pics? I haven't experienced any dramas with mine (yet..) but if this mod can prevent a problem then I for one, am interested. any plans to make a few more?
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08-10-2013
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I just registered
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Join Date: Sep 2013
Location: Gold coast
Posts: 8 What Jeep do I drive?: WJ
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Bypass
Quote:
Originally Posted by SMBCJ
Pics? I haven't experienced any dramas with mine (yet..) but if this mod can prevent a problem then I for one, am interested. any plans to make a few more?
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Hi , do you have any pics of yours , if so I would love to see them, cheers rod ...thesourceror777@bigpond.com
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09-10-2013
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I just registered
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Join Date: Sep 2013
Location: Gold coast
Posts: 8 What Jeep do I drive?: WJ
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Sorry I replied to the wrong thread.cheers mate
Quote:
Originally Posted by SMBCJ
Pics? I haven't experienced any dramas with mine (yet..) but if this mod can prevent a problem then I for one, am interested. any plans to make a few more?
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Hello SMBCJ, yes I have already started my second bypass, I am happy with the design, this one will have a external cooler , the only problem so far is the inside I.D of the oil cooler lines,as the oil gallery I.D of the2.7 is 16 mm which I want to run all the way to prevent any loss of oil pressure, I will have to cut and make the oil cooler intake pipes larger...cheers rod
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09-10-2013
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I just registered
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Join Date: Sep 2013
Location: Gold coast
Posts: 8 What Jeep do I drive?: WJ
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Hello, I have fitted my new oil cooler bypass and am happy to say that it has great oil pressure, engine temp is perfect around a quarter on the guage, no leaks and everything works as usual, have driven to Brisbane to the Gold Coast and back , all is great ,very happy with result.....cheers
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10-11-2013
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I just registered
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Join Date: Sep 2013
Location: Gold coast
Posts: 8 What Jeep do I drive?: WJ
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Hello again, last weekend I towed my 18 ft caravan up landcruiser mountain, the temp guage went to half way but did not overheat, but noticed the oil pressure did drop to a quarter on idle when temp was at half way,so I am definitely incorporating a external oil cooler on my second design, I think that should keep the oil a lot cooler, I think the original oil cooler, although it is running hot water through it and it is not getting any ventilation , but it must give the oil that little bit of cooling as the water temp is obviously cooler than oil temp under big load. I will let you know the results of my second cooler bypass...cheers Rod
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10-11-2013
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Newbie
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Join Date: Jan 2013
Posts: 38 What Jeep do I drive?: WK2
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Hi, the standard oil cooler does indeed cool the oil, it is a heat transfer unit that can both heat and cool the oil - depending on the ambient temperature. I'm not sure that I would bypass it without ensuring that the oil temperature stays within required operating limits (in both hot and cold conditions).
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2013 Grand Cherokee Laredo CRD - White
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