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Old 03-24-2006, 09:31   #1 (permalink)
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Un-bolting the crankshaft

just picked up a 5.0 block and am currently in the process of disassembly. i have removed the pistons/connecting rods, roller rockers and mains. i went to undo the bolt holding the harmonic balancer to the crank so i can remove the timing chain and gears, camshaft and crankshaft. no matter what i tried to do all i did was spin the crank. any suggestions?
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Old 03-24-2006, 09:55   #2 (permalink)
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Re: Un-bolting the crankshaft

You could use a pneumatic impact wrench, it might mean taking block to a garage if you hav'nt a compressor. Another way would be to jam a piece of wood between the crank counter balance weights & edge of the block to stop the crank turning, not sure what the perfectionists make of this but it worked for me on a couple of occasions.
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Old 03-24-2006, 14:07   #3 (permalink)
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Re: Un-bolting the crankshaft

Sounds good to me. I'll give the wood thing a try and if that dont work, she'll be going to pep boys! thanx!
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Old 03-24-2006, 16:40   #4 (permalink)
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Re: Un-bolting the crankshaft

Quote:
Originally Posted by Clutch
Sounds good to me. I'll give the wood thing a try and if that dont work, she'll be going to pep boys! thanx!
And next time do things in the most logical order and pull all that stuff off the front before you get into the internals
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Old 03-24-2006, 16:52   #5 (permalink)
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Re: Un-bolting the crankshaft

well, first off, i never do anything logically because when you're working on a ford it doesn't make sense to do things logically. and second, unless the motor is seized, the crank will spin. if i can turn the pullie with my hand and make the crank operate the entire motor, i think that leaving pistons, connecting rods, roller rockers, and mains on won't make a huge difference. unless, somehow, i can spin the balancer clockwise (or hold it in place for that matter) and wrench the bolt counter-clockwise, it's not going anywhere. thanks for the advice tho.
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Old 03-24-2006, 17:21   #6 (permalink)
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Re: Un-bolting the crankshaft

Quote:
Originally Posted by Clutch
well, first off, i never do anything logically because when you're working on a ford it doesn't make sense to do things logically.
I think you should be in the Windsor forum, or maybe even a Chebby forum
Generally, normal people undo the harmonic balancer and remove it along with the fly wheel bolts while the heads and plugs are still in. Makes things easier for us CLEVELAND boys anyway
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Old 03-24-2006, 20:32   #7 (permalink)
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Re: Un-bolting the crankshaft

I'm in a similar position, though the motor hasn't been dismantled and is still
hooked up to the tranny and sitting in the car.

So how do you do it?? Tried putting it in gear but it still turns!
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Old 03-25-2006, 02:57   #8 (permalink)
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Re: Un-bolting the crankshaft

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Originally Posted by LTD Ute
So how do you do it?? Tried putting it in gear but it still turns!
You need to BREAK it. Use a breaker bar and break it. A few sharp blows should do it, but don't use a rachet.
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Old 03-25-2006, 04:36   #9 (permalink)
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Re: Un-bolting the crankshaft

Quote:
Originally Posted by xdclevo
You need to BREAK it. Use a breaker bar and break it. A few sharp blows should do it, but don't use a rachet.
True dat. If the heads are on, won't the compression make it easier in undoing the nut without the crank rotating? Should be easy. Use the pneumatic rattle gun and socket, easy.
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Old 03-25-2006, 10:22   #10 (permalink)
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Re: Un-bolting the crankshaft

in my case, there were NO heads and NO intake and i find it a waste of time to put them on just to take them back off. all i had was the block with the innerds and the oil pan. and furthermore, the block is not anchored to anything so i not only need to keep the crank from turning, but the block from spinning around.

xdclevo, just a little fyi, ford australia knows what they are doing and ford america might as well be a crew of monkeys with the way stuff is built over here and how the good models are constantly being discontinued! yeah, it does make sense to do that first and i wasn't thinkin when i started to break the block down, but still either way this thing's gonna spin. i'm gonna have to load it back into the LeSabre and bring it to the shop so they can gun it out for me.
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