I was changing my belt today while changing the fan bearing bracket.....I put everything back together, and started rotating the rod for the belt tensioner (counter clockwise) to tighten while the main bolt was loosened... the belt remained loose, and eventually the rod snapped...got a new rod, reinstalled everything, but still cannot get tension on the belt...i am confused !!!

someone have insight on this?

thanks,

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1993 300E, 2.8 M104 .....