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682 front main seal?


KY2674
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Just did one......

Clean the seal bore with a cotton swab and alcohol then right before you install the seal (5/32" seat depth) put a bead of gel control super glue on the outer circumference of the seal (glue it into the bore).  90% of the seal failures on Kohler twins are because they push the seal out of the bore.  Gluing them in helps...a lot!

The one that went south on mine was actually making a chugging noise at idle from sliding back and forth in the bore.

Don't forget to reset the air gap on the PTO clutch....  .010"-.012"

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...and I have a flywheel side crank seal to replace on an M18 too......just started slinging oil last mowing.  That one sucks.....pull engine and flywheel...clean up all of the tins......  At least it isn't pushed all the way out yet (not a big enough mess!!!)

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On 9/5/2022 at 11:10 PM, Mr. Plow said:

...and I have a flywheel side crank seal to replace on an M18 too......just started slinging oil last mowing.  That one sucks.....pull engine and flywheel...clean up all of the tins......  At least it isn't pushed all the way out yet (not a big enough mess!!!)

This is the seal that failed in Tammies tractor the first time we put a plow on it.   I set the plow up and she made one pass before it blew out on the headland.😁😆

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