C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Pilot bushing

Old Apr 16, 2022 | 06:02 PM
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Default Pilot bushing

I am having a heck of a time removing the pilot bushing on a 350 chevy. I have a decent slide puller for the job but it wont come out. I heated it with a torch and even put slits in it with a micro saw to loosen the force but it wont budge. Any thoughts?
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Old Apr 16, 2022 | 06:40 PM
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I haven't done many pilot bushings, but I just used a hammer and narrow chisel to break it into pieces. Cutting slots into it makes that much easier.

I've also heard of filling the cavity with grease and slamming a pilot shaft into it. The hydraulic pressure on the grease is supposed to push it out. I've never tried that.

Have fun!
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Old Apr 16, 2022 | 06:41 PM
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Before you made the slits with the micro saw, I would have suggested grease or bread...
https://www.corvetteforum.com/forums...t-bushing.html

Last edited by stew86MCSS396; Apr 16, 2022 at 06:53 PM.
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Old Apr 16, 2022 | 06:54 PM
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For and many years and styles of vehicles, I filled with grease 1 good smack on the tool it would pop out.
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Old Apr 17, 2022 | 11:54 AM
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I used a wet paper towel , a bolt and a hammer. The bolt doesn't have to fit tight. The bushing popped right out. This is safer and not as messy as grease.
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Old Apr 17, 2022 | 04:05 PM
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So I got the bushing out with brute force but.....when I installed the clutch I remembered that I was suppose to ( or at least I think I should) put thread locker on the bolts to
the flywheel to the crank. I torqued them to 80ft lbs. I know the newer cars use thread locker on the bolts and you can see traces of it on the bolts but I didnt see anything on
these 40 year old bolts. Engine only has 180hp I think so I am not sure its necessary. What to you guys think?
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Old Apr 17, 2022 | 09:09 PM
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Blue thread locker, new ARP bolts, 75-80 ft-lbs. these were the suggestions directly from RAM clutches.
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Old Apr 17, 2022 | 09:12 PM
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for future reference ill second bread. thats what i used
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I actually had a pilot puller on the work bench... worked great. I've also seen, Grease, Bread, Irish Spring, and I think Vaseline used as well... I don't waste bread... Italian family lol...
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Old Apr 19, 2022 | 02:52 PM
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I used paper that had been in my shredder. Got it wet and tapped on it with a socket extension and out it came.
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