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paging slowhawk, need sum help

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Old Mar 14, 2005 | 02:20 PM
  #21  
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i hate to say it but it looks like the crank is stripped i jammed a piece of metal in the flywheel so it could not spin then had someone turn the crank and boom. the crank bolt spins but the flywheel doesnt move. i dont know how the hell it happened either. i always use a longer bolt to start the pulley install. so i ordered a tap to see if i can clean up the remaining threads to hopefulley catch a few threads. i dont know if its gonna work or not
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Old Mar 14, 2005 | 02:25 PM
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Originally Posted by pdd
i hate to say it but it looks like the crank is stipped i jammed a piece of metal in the flywheel so it could not spin then had someone turn the crank and boom. the crank bolt spins but the flywheel doesnt move. i dont know how the hell it happened either. i always use a longer bolt to start the pulley install. so i ordered a tap to see if i can clean up the remaining threads to hopefulley catch a few threads. i dont know if its gonna work or not
If that the case then can you slide the crank bolt in without it catching any threads? Or is it only partially stripped? I have some threaded rod left over and can cut you a piece if you need more threads. PM if interested.
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Old Mar 14, 2005 | 02:45 PM
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So you knew the metal was jammed and you had someone turn the crank to see if that would loosen the metal up?
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Old Mar 14, 2005 | 03:25 PM
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You would know by taking the pulley off and running a bolt in.The next thing would be to heat the pulley in an oven to around 350 degree's and it might slide on all the way without a bolt,then bolt it down.Of course use oven mitt's
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Old Mar 14, 2005 | 03:25 PM
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From: dudley mass
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Originally Posted by Joe "Preachers Sheets" DIESO
So you knew the metal was jammed and you had someone turn the crank to see if that would loosen the metal up?
no, i purposely jammed the flywheel to see if the crank would spin or not. the crank and flywheel did not spin but the crank bolt still did
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Old Mar 14, 2005 | 03:28 PM
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Originally Posted by BLASTER
If that the case then can you slide the crank bolt in without it catching any threads? Or is it only partially stripped? I have some threaded rod left over and can cut you a piece if you need more threads. PM if interested.
its weird. the bolt threads in till it hits the pulley. then it starts to strip. i cant just slide the bolt in and out of the crank. what would the threaded rod do?
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Old Mar 14, 2005 | 04:57 PM
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what size is the tap?
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Old Mar 14, 2005 | 05:03 PM
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M16 X 2
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Old Mar 14, 2005 | 05:14 PM
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when you get your threads fixed I wouldn't use a pice of steel to jam your flywheel while tightening your pully you can blow out your bell housing.

I haven't made one of those wrenches yet but it looks like it would work pritty good.
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Old Mar 14, 2005 | 05:17 PM
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How much does the bolt stretch? Do you see the threads all messed up? Maybe your bolt is stretching and the threads aren’t striped?
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Old Mar 14, 2005 | 06:13 PM
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From: dudley mass
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Originally Posted by ace68
How much does the bolt stretch? Do you see the threads all messed up? Maybe your bolt is stretching and the threads aren’t striped?
Ii really cant see in there but i had sum metal shavings come out on the bolt. i only jammed the flywheel to see in the crank was stripped. i would never tighten the pulley down that way
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Old Mar 14, 2005 | 07:39 PM
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Originally Posted by pdd
its weird. the bolt threads in till it hits the pulley. then it starts to strip. i cant just slide the bolt in and out of the crank. what would the threaded rod do?
Well, a threaded rod would distribute the load across all the threads and the nut/washer would seat the pulley. The longer bolt method always places a constant force on the next set of threads in the crank snout as you turn it. This makes it prone to stripping. The force of the pulley (away from the car) may be causing you to jump the threads as you are trying to tighten it down onto the snout.

Let me ask you, ss the pulley fully seated at this point when you can freely turn the bolt OR does it have a ways to go? My guess is that it has a ways to go. If the bolt went as far as the puley and then just spins it sounds like the threads right at "that" point are stripped. I would run through it with the tap and then get yourself a threaded rod/nut/washer to seat it if this is the case. Good Luck man.
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Old Mar 14, 2005 | 09:38 PM
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From: dudley mass
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Originally Posted by BLASTER

Let me ask you, ss the pulley fully seated at this point when you can freely turn the bolt OR does it have a ways to go? My guess is that it has a ways to go. If the bolt went as far as the puley and then just spins it sounds like the threads right at "that" point are stripped. I would run through it with the tap and then get yourself a threaded rod/nut/washer to seat it if this is the case. Good Luck man.
the pulley is about 3/4's or more on the crank. sounds like a good idea. thanks
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