oil cooler problem - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 3 (permalink) Old 03-21-2010, 03:47 PM Thread Starter
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oil cooler problem

I just took the oil cooler off our 97 that is in the process of getting parted out to keep the other two running and put it on my 94 powerstroke. The 94 had the bypass that keeps falling out and it was leaking pretty bad.

I rebuilt it with new o rings and gaskets from aliant and got it on no problem. Torqued it just like the book said and all was perfect for about a week till yesterday morning. It was snowing and in the teens out when I started it. Oil started slowly leaking out of the front header gasket. It was torqued to 24 foot pounds like the book said but I crawled underneath and gave it just the tiniest bit of a turn on both bolts and it seems to have stopped.
Both surfaces were as clean as if they were new so I'm wondering if I should replace the gasket again in the front? I didn't use any sealer and shouldn't have to on that type either but maybe I should have. I don't know.
What do ya'll think?
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post #2 of 3 (permalink) Old 03-21-2010, 05:51 PM
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Re: oil cooler problem

probably just backed out due to the constant heating and cooling of the engine. I would just retourgue and check them in a few days. Did you locktight the bolts?
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post #3 of 3 (permalink) Old 03-21-2010, 07:41 PM Thread Starter
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Re: oil cooler problem

No they didn't back out but I didn't put any locktight on either. That's a bad place to use that stuff on a 94. There isn't any metal there on the front cover compared to a 95 and up. The bottom screw was already stripped out and I had to fix that with a helicoil. It was leaking again this morning so I'm about to go pull it off again. This time I'm putting some of the gray rtv on it.
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