When splitting engine cases for access to gearbox if there is a gasket between the jointing surfaces or is it only a sealant that is used?

Kevin frazier said:
The stuff triumph used on my cases is tan and hard as a rock, anyone know what that stuff is?
Click to expand...

Just my opinion
I would think that hard would be bad because when aluminum heats and cools it will expand and contract i think u need something that will give and will not break the sealing surface.
I will be watching yours for longjevity
 
TURBO200R4 said:
Just my opinion
I would think that hard would be bad because when aluminum heats and cools it will expand and contract i think u need something that will give and will not break the sealing surface.
I will be watching yours for longjevity
Click to expand...
that is the factory stuff, i havent split the case, i was wondering what it is the stuff triumph uses at factory. But its super hard, ill shoot a picture, fixing to put clutch back together now.
 
It just might be some good stuff
 
TURBO200R4 said:
Just my opinion
I would think that hard would be bad because when aluminum heats and cools it will expand and contract i think u need something that will give and will not break the sealing surface.
I will be watching yours for longjevity
Click to expand...
Its actually not that hard but it dont just peel off, id like to find out what they use for when i do have to split case its good stuff
 

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Gerald said:
Manual calls for Threebond, I purchased from Amazon, Threebond 1207B, description is: silicone type liquid gasket
Click to expand...

The fwd trans have cases that bolt together i might give it a try also on 4x4 transfer cases.
 
Ive used ,3bond, then honda bond, last time was permatex black. If it the gasket area like the rear of the engine and torsional cover I use hylamar just incase I need to save the gasket. But would also use the same black permatex.
 
warp9.9 said:
Ive used ,3bond, then honda bond, last time was permatex black. If it the gasket area like the rear of the engine and torsional cover I use hylamar just incase I need to save the gasket. But would also use the same black permatex.
Click to expand...
Sometimes i use a combo like the 3m yellow on the water pump then gasket then black rtv so when u pull the pump u do not have to spend 30 minutes cleanjng the block area.
 
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