Alternator bracket bolt go into water passage?

[66four40]

Late 70's 440 in a 66 Belvedere. Does the alternator mounting bolt that goes into the front of the engine on the triangle shaped bracket go into a water passage? The old bolt is too long and is rubbing the alternator belt so I pulled it out to replace it and it seems to have some black stuff (sealant?) on it.

Cheers, Derek

 

[mopar 3 B]

Cylinder head ( no). Water pump housing may have sealant from water pump gasket on it. Do not know of any that should go threw to water jacket in block.

 

[miller]

Real simple to find out. With a thin screwdriver, or piece of wire, run it into the bolt hole. If it does not hit bottom, the threads go into the water jacket...sealant needed.