engine oil cooler lines - Diesel Bombers



Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

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Old 02-04-2011, 05:27 PM
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Default engine oil cooler lines

I was wondering if the lines I can buy at the parts store will last any time at all. I think my lines are leaking at the crimp there the rubber hose starts. Somewhere I thought I read on here that the new ones are not much better as far as leaking. They were not easy to get out so I would like to do this only once.
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Old 02-04-2011, 05:55 PM
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i was looking around to do the same thing,and i think i might end up making my own. i found a place called lubrication specialist and they have a kit. some of the sponsors here might a kit also,but i haven't gotten that far. i also read somewhere that you can cut off the crimped part and put a flare on the metal part and slip the hose with 2 clamps on each end.i might go this route for now.
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Old 02-04-2011, 09:34 PM
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yeah lubrication specialist and pmdcable.com both have good oil cooler line kits. i got pmdcable one and i enjoy it very much. a year its been on and no leaks so far
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Old 02-04-2011, 09:54 PM
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do like i did i kept my oil cooler put new fittings in it and had new lines made it was lot cheaper to do
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Old 02-05-2011, 10:26 AM
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just put plugs in and throw the factory oil cooler lines away thats what the radiators job is to cool down the pickup. cummins dont have oil cooler lines
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Old 02-05-2011, 01:25 PM
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i wouldn't throw away oil cooler on 6.5 it needs it
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Old 02-05-2011, 06:31 PM
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two totally different engine designs with different oiling systems. a 6.5 needs an oil cooler
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Old 02-05-2011, 10:32 PM
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I just took them apart and put new hose in them with double clamps at each end got that idea from ricansdiesel . started and ran for about twenty minutes no leaks have not run down road yet more pressure may make it leak ?? well see
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Old 02-12-2011, 09:48 PM
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hi i've just bought a gmc 6.5 td and i've got an oil leak at the same spot, the oil lines from the oil cooler. Im looking for the best way to replace / repair it. does somebody have some tips?
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Old 02-13-2011, 08:11 AM
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I have the same problem, I'm gonna take them to a local hydraulic shop and get new made. It really is a bad design by chevy to seal them up the way they do. My Hydraulic shop is going to make them like a O-ring sealed hyraulic fitting, the oring seals on the out side on flange of fitting. May cost more but garaunteed to never leak.
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