SYE leaks. Has for years any guesses why? - Page 2 -
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post #16 of 18 Old 07-23-2013, 08:50 PM Thread Starter
Why J?
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Originally Posted by jason280

Why didn't you simply post all this information and pics in the first post, it would have prevented a lot of confusion. The first post made it sound like you had no idea what was causing the leaks...
Sorry. I posted this way because I thought it was so obvious. And my smart assness gets the better of me.

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post #17 of 18 Old 07-23-2013, 09:06 PM
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So another thing I'd like to add since you're posting this for future reference for others, and while we're on the subject of RTV: (and I'm NOT pointing any fingers at anyone, I'm merely passing on good advice passed down to me by seasoned mechanics for those that MAY NOT know)

From time to time I see where someone has used enough RTV sealant to hold back the Nile River. Unfortunately I think they fail to realize that however much RTV squeezes out when parts are assembled can also squeeze INSIDE whatever you're assembling as well. This is bad for things that have oil pumps (like a t-case). Over time this excess RTV can and will come loose and begin to float in your oil, and thus get sucked into the oil pickup where it will clog the pickup screen and starve components of oil.

We must remember that if we are assembling two *machined surfaces* that only minimal amounts of sealant will be needed. A good way to do this is to squirt the sealant on a non-porous surface and use an "acid" brush to lightly spread a small amount on one of the machine surfaces. Make sure no bristles come off and get left behind! Let the RTV skim over for a few minutes then assemble. You'll experience much less excess RTV squeezing out, and no worries about it causing issues inside the case.

I've been using this method for years now, and my SYE hasn't leaked a drop since I installed it.

If you already knew this, don't mind me. I'll jump off of the soapbox now
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post #18 of 18 Old 07-23-2013, 09:09 PM
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Originally Posted by Why J? View Post
I'm a manufacturing engineer it is my job to catch crap like this. We deal with nm at work and this amount of being "out" is huge for me.

Apparently I can't do my job at home. Lol.
lol i know what you mean. The last place I worked commonly had +/- 5 micron tolerances, so .3mm looks giant to me too Still trying to get used to where I'm at now where the tightest tolerances are 20 microns.
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