Broken transmission pully?

sethrich005

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Apr 22, 2020
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I bought a mower to fix thinking it was the spindles. John Deer 125 automatic.

Gonna try to be brief so this is easier to read. Thanks in advance for any correct advice.

So it seems the transmission pully is making a loud grinding noise.. when I look at the belt while the break is released, the belt is all wavey and loose while going around. No noise at all while break is engaged.

When I spin the transmission pully it feels smooth. No rough spots or much resistance.
However the pully that's connected under the engine, I'm guessing connected to the engine, is not very smooth and harder to turn when it gets to one area, a loud squeak comes seemingly from inside the engine when I spin it by hand and it gets to that tough area, I almost need 2 hands to spin it all the way around when it gets to that part. Is that normal?

Should I just go ahead and replace the drive belt and transmission pully, or also the pully connected to the engine, (which the pully is connected to a shaft that does not spin independently of the pully so it would'nt actually be the pully) what would that part be called and should I replace it? Should I go ahead and do the spindles on the deck while I'm at it?

I'll do the oil, oil filter, air filter..., any other items to go ahead and knock out on a used mower before I start mowing?
 

StarTech

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Of course the engine mounted pulley is hard to hard at time you are fight the engine's compression. It is more one of the two idler pulleys that making the noise with the brake release. If it was the engine pulley it would be making noise all the time.
 
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