Oil Leak in Cooler Tube - Ford Powerstroke Diesel Forum
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Old 02-28-2008, 06:47 AM
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Oil Leak in Cooler Tube

Hello all, hope someone can help out. Tried to start her up in fairly cold weather while the oil was viscous, and an oil leak started on a tube on the driver's side of the engine. I believe this tube is the oil cooler. The leak is not where this tube attaches to the engine block, but rather in the middle of the tube where there appears to be an o-ring or some kind of compression washer to maintain the seal. The oil cooler tube is held on by some bolts with 10 mm heads, and the torque on these suckers in incredibly tight! I'm working in about 32 degrees outside, and i'm worried about shearing them off.

My questions are 1: Is this an oil cooler tube and is removing it the right way to go about fixing the o-ring leak? 2: What is the torque spec on these bolts and is there an easier way other than PB Blaster and patience? 3: Has anyone seen this before, and if so are there any helpful tips you can offer?

Thanks in advance, any help is appreciated.
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Old 02-28-2008, 07:05 AM
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Same problem here, my 95 is leaking too, havent pulled it apart yet, but the tube is the oil cooler, and I bought the 2 sets of O rings, from Ford. There is an inner and outer set, ones green, others purple. I am thinking its held together with the O ring tension between the metal tube and aluminum brackets, so you will probably have to unbolt from the water pump, and the block, so you can put it in a press. This may not all be correct, but hopefully someone else will chime in so I will know how to do it when I have time to.
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