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Guest Message by DevFuse
 

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Thread size - crankshaft bolt - legacy 2.5L EJ25D

ej25d 2.5L crankshaft bolt thread

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1 reply to this topic

#1 kevinrse

kevinrse

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Posted 05 May 2014 - 05:27 PM

I need to clean up the threads inside my crankshaft.

 

Made a mistake using a puller; got a small piece of metal jammed in the crankshaft end but fished it out with some epoxy. I want to clean the threads up before putting it back together.

 

I am measuring thread spec using my crankshaft bolt and calipers. By my measurements major thread diameter = 12.8 mm, thread pitch = 1.5 mm (averaged along 15 threads). Should I assume that the proper tap size = M13x1.5?  (The reason I come here to verify is because M13 isn't a common size, so I want to make sure I'm right before I order the tap).

 

Thanks.



#2 Fairtax4me

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Posted 05 May 2014 - 08:46 PM

I want to say its M12x1.5
Take the bolt to a Fastenal store, or any store that sells specialty hardware, and they can measure it.





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