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Old 10-04-2010, 09:17 PM   #1
wavespy
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Is this normal???

I'm taking the pulleys off the crank on my 396 because the don't line up w/ each other (water pump and such) and I was quite surprised to find no less than 5 washers (6 if you count the lock washer) on the center balancer bolt! Is this normal, or did some previous owner/mechanic jack things up?!?!

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Old 10-04-2010, 09:22 PM   #2
turp mcspray
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Re: Is this normal???

Everything that I have worked on, has had one large flat washer.
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Old 10-04-2010, 09:25 PM   #3
71swb4x4
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Re: Is this normal???

Can't help you, but I find it amusing that I just finished a Fat Tire and then sat down at the computer to check the board.
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Old 10-04-2010, 09:31 PM   #4
Dark Knight
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Re: Is this normal???

Maybe someone was too lazy to go to the store and buy a replacement bolt for the one that they just lost, so they used what they had. Happens all of the time around the farm. lol
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Old 10-04-2010, 10:33 PM   #5
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Re: Is this normal???

Take the washers off and see if it screws all the way in and can be torqued down. I suspect the threads are stripped deeper inside the bolt hole.
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Old 10-04-2010, 11:44 PM   #6
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Re: Is this normal???

Yeah, it seemed excessive to me too. The bolt definitely DOES NOT appear to be a GM standard issue bolt. It's a 2.5" long, 1/2" 20 pitch with a 1'' shoulder on it. I think I'll just get a replacement bolt and see what they give me.

It was also barely finger-tight when I got in there!
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Last edited by wavespy; 10-04-2010 at 11:46 PM. Reason: spelling
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Old 10-04-2010, 11:54 PM   #7
69sixpackbee
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Re: Is this normal???

That is not the right cap screw, that,s why. Way too long.
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