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Old 10-19-2019, 06:14 AM
Andy_Tres Andy_Tres is offline
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Default Crankshaft Adapter Wonít Come Off


I have an engine with an adapter on the crankshaft. Iíve kept PB Blaster on it and tried a gear puller it get it off. It wonít budge. Anything else I could try? Any other options? Any help would be greatly appreciated!

Also, any good ways to hold the crankshaft to stop it from spinning?
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Old 10-19-2019, 06:18 AM
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JTSpeedDemon JTSpeedDemon is offline
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Make sure all set screws have been removed.
Soak it with PB Blaster for about a week.
Try stuffing a length of soft rope down the spark plug hole to keep it from spinning.
Last resort could be to use a torch to heat it up to expand it, or to cut it off.
What dk you mean by the gear puller isn't working? Does it pop off? Does it just not move?
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Old 10-19-2019, 07:37 AM
Andy_Tres Andy_Tres is offline
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The gear puller pops off and it doesnít really be seeming to move the adapter. But it may be because of how rusted it is
Old 10-19-2019, 08:13 AM
Shep1970 Shep1970 is offline
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Use like a 3 inch hose clamp where the teeth are to hold the puller teeth on? Make sure itís pushing against the crank end, I canít tell by the pics if thatís one piece or if itís just pulling against itself if that makes sense. May need to put a metal dowel of sorts if thereís a hole in the end ďifĒ that adapter is one piece. (Where the threads are and the end nose)
Personally Iíd ad some HEAT.
Good luck

Old 10-19-2019, 09:03 AM
mckutzy mckutzy is offline
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Need heat... lots of it...
A propane or better.. an acetylene torch would be great....
Keep the heat moving and watch out for the shaft seal....
Also, polish the end of the shaft.. that will make it easier to pull the item off..
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Old 10-20-2019, 12:54 AM
Mrmonk7663 Mrmonk7663 is offline
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Yep. Start off with a propane torch. Heat it up like described above. After heating use a mix of 50/50 ATF fluid and Acetone for your penetrating fluid. Use the fluid while the piece is still hot (not hot enough to ignite it obviously) if this doesn’t work it’s cutting time.
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Old 10-20-2019, 01:41 PM
Randy H Randy H is offline
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A better puller world help. Three jaw. A bearing separator would givea better bite.

Use a cut off wheel to slice as deep as you dare.

Heat is useful but if you're puller is slipping off....
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