i have a rear main seal leak. (rear= rear of bus,
front = front of bus) I cannot get the crank bolt lose
and even broke a 1/2" Snap On breaker bar trying to
loosen it.

Is this a normal-threaded bolt? the engine is on the
bench.

I am concerned if i use my 3/4" impact wrench I will
break the bolt, like i did on my wife's Honda, causing
me to excavate the busted bolt with a drill and lots
of luck.

I have tried to tighten it a bit too, and have whacked
it head-on with a hammer a few times too.

thanks
-mp

"Racing with the wind and flirting with death
So have a cup of coffee and catch your breath"

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