BigSouth
Doesn't play well with others!
- Joined
- Jun 8, 2011
- Location
- Shelby, NC
I know with my 4L60e, there’s an o-ring that seals up next to the big six studs around the perimeter. It alone won’t hold which is why you put some grey Permatex or RTV on the mating surfaces. There isn’t an external seal around the output shaft.But there's no seal at the back of trans like I'm used to seeing at all. You can see the drum inside the trans so clearly fluid must flow through there and its kept out by the tcase gasket as you mentioned
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