Seized pinion

Kja

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May 25, 2020
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Having problems removing a seized pinion gear from transmission shaft on 917.370931 craftsman rear drive push lawnmower. I removed the retaining clip and soaked it with WD40 and it still won’t come off. I tried using a gear puller with no success. Help!!!!
 

tom3

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Apr 9, 2018
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Is this the gear at the wheel? I'd hit it with some heat, propane torch might do it.
 
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Kja

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Yes. The gear is at the wheel. I’ll use the propane torch. Hopefully it will come off. Thanks. I considered cutting the rod.
 

Rivets

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WD-40 is not a good penetration oil. PB Blaster, Yield, AeroKroil, etc. will do a better job.
 
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