I decided that a water pump replacement was In order so I took the day to go ahead and do it.

After getting most of everything off I am left with one bolt that doesn't have adequate clearance for removal. My manual tells me that I can rotate the pump so that a notch allows removal of this bolt. The problem is that I can't rotate the water pump. What shall I do?

I am doing this repair while on vacation and I leave this beach house in 3 days.

Any help would be greatly appreciated.

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1982 MB 300D Turbo 360k daily driver
1977 Pontiac Firebird Trans Am (only goes in reverse)
1947 Dodge pick-up (has old 6v(?) system and won't start)