With all these unknowns, opening the rear cover is the first step. There could be something inside like water, low oil, or debris that can cause noise. Also the gears, bearings could have an issue.

Best bet is to open it up and see what you have.


SWEET
Sergeant At Arms: Old Dominion Stovebolt Society
BUNS?!?!?!Where we're going, we don't need no buns.....
1950 GMC 450
1951 Chevy 1/2-Ton
The GreenMachine
In the Stovebolt Gallery