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Old 06-18-2011, 11:48 PM
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1966 Chevy C10 stuck pilot shaft

I really fouled this one up. Can someone give me advice on how to get an old SM420 unstuck. I installed a new clutch disk, flywheel and pressure plate along with a new throwout bearing and pilot bushing(brass or bronze alloy). I didn't realize when I installed it that the pilot bushing was too small for the pilot shaft. I tightened the bolts down on the transmission to bell housing and now the shaft is stuck in the pilot bushing. I figured this out because when I engage the clutch the transmission doesn't disengage. The yoke keeps turning. (I have the drive shaft out of the truck) The yoke only stops moving when I put the tranny in neutral. I've removed the four bolts holding the tranny to the bell housing but the trans wont came out. It only moves out about a sixteenth of an inch. It's going to take a lot of force to pull that pilot shaft out of the smashed bushing. Any advice is appreciated.

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Old 06-19-2011, 09:54 AM
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Put a jack under the trans and use a pry bar EVENLY a little at each bolt lug until you work it out. As it comes out, you might need to add thin wood blocks to make up for the size of the gap.

Note to self: test fit everything before forcing an install.

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