I am in the process of replacing all of the gaskets and seals on my manual transmission before installing it into my car and I am wondering if I should use any gasket sealant on the thin paper gaskets for the outside covers on the transmission. This is the earlier style (not all aluminum) transmission case. I know in theory if it does not call for any sealant, I should not use any, but those gaskets are mighty thin and a local indy mechanic told me he probably would use a sealant. He recommended a product called hondabond. It is made by Honda and does not harden completely. I am really hoping to hear from someone with practical experience on these transmissions. Ie- I did not use any sealant and still have no leaks after x amount of time. Any help is appreciated.
Thanks,

Shane

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1985 Euro 300TD Turbo

Permatex Hylomar lets the thin gasket slide into position, without creases and helps seal. Recently used Permatex gray with a paper gasket when mounting a bellhousing on a Perkins, too thick and sticky.

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Present
1987 300SDL
1991 300SL
1990 560SEL
2001 ML320

Past
1969 200D 1979-82
1983 300SD 1984-85
1972 250C 1982-02
1995 S350 2011
1997 S320 2012