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Crank Shaft End Play


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#1 bill3t OFFLINE  

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Posted November 21, 2014 - 05:41 PM

i almost mised a step on k321 engine rebuild. need to put on shim and check end play. black and white in book pick isnt that clear on feeler guage checking. is it side of crank casting to bering side ? mite call the engine shop tomarro. thanks bill


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#2 drbish ONLINE  

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Posted November 21, 2014 - 05:58 PM

Hope this helps

 

 

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#3 dodge trucker ONLINE  

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Posted November 21, 2014 - 06:09 PM

I see where it is measured by that page out of the book,  but in most engines I have worked on (all brands)  end play can be "felt" rocking crank back n forth within block, once side cover is on.... even if it is "slight"  but this M 12 I am rebuilding,, I don't feel any. I just put same # of gaskets back in that I took out so far.... ((I don't want to pull the sump off again grrrr)



#4 bill3t OFFLINE  

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Posted November 21, 2014 - 08:32 PM

i put the shims on. looks like theres some room for wiggle now but dont think will move  much. lota new lernin here :dancingbanana:bill



#5 Kyocum OFFLINE  

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Posted November 22, 2014 - 12:08 AM

I would check it with a dial indicater. If there is not enough room for the crank to grow when it heats up to operating temps it could possibly take out the bearings. Not something I would chance on a fresh rebuild.


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#6 bill3t OFFLINE  

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Posted November 22, 2014 - 02:56 PM

i took one shim off. 3 were to many. bill






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