 Oil cooler seals, keep leaking |
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| hitbyastick |
 Aug 22 2017, 07:26 AM
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#1
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Newbie  Group: Members Posts: 37 Joined: 10-October 04 From: Fremont, CA Member No.: 2,918  |
I have a freshly rebuilt 2.0 and the oil cooler seals keep popping. I'm on my 3rd set and the lower one just started to go again. It's not a slow leak either.
I have tried to install them dry, or with sealer, but they keep going. Seems to be after a spirited drive. Any tips and tricks? I'm pulling the engine this time. |
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| cary |
Aug 22 2017, 07:56 AM
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#2
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Advanced Member Group: Members Posts: 3,900 Joined: 26-January 04 From: Sherwood Oregon Member No.: 1,608 Region Association: Pacific Northwest 
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What do you mean by popping ?
Did you take a long hard look at the oil pressure sender ? That's the usual place for a leak and it makes it look like the oil cooler seals are leaking. |
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| Krieger |
Aug 22 2017, 08:14 AM
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#3
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Advanced Member Group: Members Posts: 4,702 Joined: 24-May 04 From: Santa Rosa CA Member No.: 2,104 Region Association: None
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Is it possible your oil cooler itself is leaking?
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| ChrisFoley |
Aug 22 2017, 08:21 AM
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#4
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I am Tangerine Racing Group: Members Posts: 7,909 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None
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Where are the flat washers that go on the cooler studs before the nuts?
Some people have mistakenly installed them under the cooler instead of after the cooler. |
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| Mark Henry |
Aug 22 2017, 08:24 AM
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#5
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
QUOTE(cary @ Aug 22 2017, 09:56 AM)  What do you mean by popping ? Did you take a long hard look at the oil pressure sender ? That's the usual place for a leak and it makes it look like the oil cooler seals are leaking. (IMG:style_emoticons/default/agree.gif) check sender first, it looks like a cooler leak. But if it's not that I have run across a couple of coolers where a DAPG, as in Dumb Ass Previous Gorilla, who's never heard of the term "torque wrench", has way over torqued the cooler and has bent it (maybe cracked) to the point that it will never seal. Cooler seals shouldn't have sealant on them. |
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| hitbyastick |
Aug 22 2017, 08:52 AM
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#6
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Newbie Group: Members Posts: 37 Joined: 10-October 04 From: Fremont, CA Member No.: 2,918 |
Well the last two times I could see a clear deformation of the seals. First the upper, the second time the lower. The sender has been checked as well and it's dry.
It could be that the cooler itself is bent or something to that effect. |
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| hitbyastick |
Aug 22 2017, 08:52 AM
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#7
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Newbie Group: Members Posts: 37 Joined: 10-October 04 From: Fremont, CA Member No.: 2,918 |
QUOTE(Racer Chris @ Aug 22 2017, 07:21 AM) Where are the flat washers that go on the cooler studs before the nuts? Some people have mistakenly installed them under the cooler instead of after the cooler. They are all there in the right spot. Not used as a "spacer" so to speak. |
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