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Old 12-28-2007, 08:19 AM   #19
hdflstf
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Join Date: Oct 2007
Location: Desert Southwest
Posts: 540
Re: th350/np205 help

Quote:
Originally Posted by 1969K10 View Post
What causes this? I'm confused as to why replacing that paper gasket with silicone will cause the adapter to crack.
The input shaft bearing has a snap ring which holds it in place sticking out from the case (see picture). There is a recess in the adapter that clears the bearing BUT it is not deep enough to clear the bearing if you don't install the gasket.

Another detail is that most of the bolt holes in the TC are through holes so you'll need to use some sort of thread sealer on your bolts so you won't have a bunch of leaks at each of your bolts.
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