2.5 NA Oil Cooler Replacement Question - Defender Source
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  #1  
Old April 12th, 2015, 07:52 PM
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2.5 NA Oil Cooler Replacement Question

I took out the radiator today b/c because it needs replacing, while I had it out I saw that the oil cooler (external from radiator) was cracked so I took that out as well and the tops of the pipes leading to it were leaking too so I want to replace those as well.

My question is if I'm getting a new radiator, can I just get one with the oil cooler built in and not have to worry about replacing the oil cooler separately? Not sure how interchangeable this would be.

-1986 2.5 naturally asthmatic diesel ex-MOD FFR-
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  #2  
Old April 12th, 2015, 08:28 PM
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That is what I would do, if buying new. You would probably need the correct lines as well though.
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Old April 12th, 2015, 09:54 PM
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Raub A.
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After removing the radiator and oil cooler, I would suggest ripping out the rest of that shitty motor and swap in a 200/300tdi, om617, a GM gen IV V8 or heck, even 1/2 dozen hamsters on a wheel. Anything will pull better than that POS 2.5na.
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Old April 12th, 2015, 10:24 PM
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I plan to turn it into a boat anchor in the future but unfortunately I can't afford a tdi right now...full set up would be what, at least $4k?...not in the cards for at least a few more years but man I'd kill to put one in asap. I may explore the hamster option in the meantime, worried about how to handle their exhaust though.
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Old April 13th, 2015, 03:09 PM
Greg S
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My understanding is the oil cooler on a FFR is to aid cooling while a FFR truck sits stationary running and making power for hour after hour, day after day. If you aren't sitting stationary with the engine working hard, you don't need the oil cooler.
Most oil coolers are automatic trans coolers, not motor oil. Your motor oil gets a lot of cooling through the pan, that's why most engines don't have motor oil coolers.

The above, is my personal opinion only.
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Old April 13th, 2015, 03:23 PM
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As I have said before.....remove the cooler, lines and the adaptor and the guts where the lines hook into the filter housing. On a "road/off road" use truck they really are not needed. GregS hit it right on the head as why these where fitted to the ex mod trucks.
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Old April 13th, 2015, 03:31 PM
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If you are planning to go TDI eventually... Maybe buy a 200TDI radiator with the oil cooler and hook up to it. That way you are not buying two radiators. Just block off the area filled by the intercooler for now.
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