LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Crank hub help?!?!

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Old May 1, 2004 | 12:50 AM
  #1  
96T56LT1's Avatar
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From: Lakeville, MN
Crank hub help?!?!

i know theres been about a million posts on this subject but i still cant figure out what im doing wrong. I got the balancer off with the 3 prong puller and now im trying to get the hub off with the puller that threads into the 3 balancer holes and i cant get it to budge. i used a bolt to bottom out on the crank that the puller can push against which is what i gathered im supposto do from the other posts but it still wont move???someone please tell me if im doing this wrong or if there is an easier way because i have been at this for hours and im starting to get pissed. Thanks
Old May 1, 2004 | 01:07 AM
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Sounds like you've got it right...have a bolt threaded a couple/few threads into the crank snout and pushing against that to pull the hub off?

If all else fails, get the torch

j/k, don't know if that is a bad idea or not.
Old May 1, 2004 | 01:20 AM
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Originally posted by Dave88LX
Sounds like you've got it right...have a bolt threaded a couple/few threads into the crank snout and pushing against that to pull the hub off?

If all else fails, get the torch

j/k, don't know if that is a bad idea or not.
I would not recommend threading a bolt a 'few' threads into the crank. You want to use a bolt that's smaller than the crank threads to push against. It sounds like you're doing it right. With pressure applied on the hub, try tapping it with a mallet/hammer. It should come off. You may have to turn the bolt awfully hard, but once the hub pops loose it will come the rest of the way w/ease. Good luck.
Old May 1, 2004 | 04:48 AM
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97WS6SCharged's Avatar
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Yeah, it's a pain. I removed/installed my hub quite a few times during my cam install so one arm is now stronger than the other.
Old May 1, 2004 | 07:54 AM
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make sure the bolt that your using doesnt have a big enough head on it that its acting like the stock bolt/washer and holding it on the crank. do you know what Im trying to say? as in make sure the bolt is small enough to pass through the hub if it was off. even I made that mistake before.
Old May 1, 2004 | 07:55 AM
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From: London, Ontario, Canada
I assume you have removed the bolt and washer inside the hub that bolts the hub to the crank, no flame intented. What I did was use a 3/8 extension inside the hub and crows foot puller, applied heat via propane torch and it finally budged. I bent a few bolts in the begining until I used the extension, work like a charm. Hope that helps.

Colin
Old May 1, 2004 | 08:56 AM
  #7  
Smokn '94 Z's Avatar
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Re: Crank hub help?!?!

Originally posted by 96T56LT1
i know theres been about a million posts on this subject but i still cant figure out what im doing wrong. I got the balancer off with the 3 prong puller and now im trying to get the hub off with the puller that threads into the 3 balancer holes and i cant get it to budge. i used a bolt to bottom out on the crank that the puller can push against which is what i gathered im supposto do from the other posts but it still wont move???someone please tell me if im doing this wrong or if there is an easier way because i have been at this for hours and im starting to get pissed. Thanks
Air Compressor with an impact.... I will never struggle with that hub again!!! Came off in 5 seconds. I broke 2 breaker bars trying to get it off by hand.
Old May 1, 2004 | 10:40 AM
  #8  
96T56LT1's Avatar
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i removed the bolt in the middle of the hub and then i put a smaller bolt down that hole to push off what i think is the crank, is that correct? thanks for the replies
Old May 1, 2004 | 11:09 AM
  #9  
IrocSS85's Avatar
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thats it.
Old May 1, 2004 | 11:11 AM
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http://shbox.com/1/pull_pulley.jpg

That worked GREAT for me. Had no problems what so ever doing it this way.
Old May 1, 2004 | 11:13 AM
  #11  
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After re-reading your post I see you're already past that step. I'm not sure how to help you with what you need. Sorry.
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