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Oil cooler tube leaking coolant?

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Old 12-26-2011, 03:18 PM
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Oil cooler tube leaking coolant?

Visiting daughter out of town an I've developed a coolant leak. It appears to be comming from the oil cooler where it bolts to the front drivers side of the eng. Is there an O-ring in there? The two bolts seem to be tight. I also brought up the oil cooler cleaning pictures and there doesn't look like an oring on the cooler side. Gota get back home tomorrow. Prolly just get some 50/50 at flying J and drive on.
Thanks much.
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Old 12-26-2011, 03:59 PM
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Thats what I would grab a couple of gals. and stop and check it once in awhile, drive it back to the house and wrench on it there.
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Old 12-26-2011, 04:07 PM
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There are two large o-rings on each end of the tube along with gaskets on each flange. It would be quite a job to try and do it on the road without your regular tools at hand but what you have to be concerned about is cross contamination of getting oil in your coolant and worse, coolant in your oil as it will destroy bearing surfaces quickly in your motor oil.

I have the complete cooler kit on my website.
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Old 12-26-2011, 09:03 PM
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when doing this procedure, is it always necessary to purchase a new OIL COOLER or can the old one be reused? Is a full coolant flush required? I need to do this to my truck soon.
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Old 12-26-2011, 09:11 PM
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If you live in the "salt belt", it would be a good idea to inspect the condition of the tube for corrosion pitting. If it looks bad then you should consider getting a new cooler tube but most will get away with just new o-rings and gaskets.

If you do not have signs of oil in the coolant or coolant in the oil, flushing would not be necessary unless you are planning on changing the type of coolant in your engine.
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Old 12-28-2011, 01:08 PM
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Got the truck back home last night without leaking any more coolant. Guess it didn't like the cold Kansas weather and the gasket contracted after I shut er down and the system still had some pressure in it. Still need to get with Guzzle and order the seal kit to fix this properly.
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