How do you remove nut from balancer to change water pump?
www.youtube.com/watch?v=iY2XuD1edio -- check this out
Might could also slide something like a screw driver or pry bar thru one of the opening in balancer and bind it against the engine block to keep it from turning as you try to remove the bolt. Use caution not to bend any dust covers or such that the screw driver might be binded against.
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