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Hello folks,

So while I am getting ever deeper into replacing, refurbishing things on my ol' girl,(1992 4016) I noticed that both rear axles have a little bit of play in them. I have not measured the in/out movement, but it is noticeable. For some years now, I have heard the occasional clunking noise and I attributed it to this slight movement. It sound very similar now when I take hold of the hub and push it in and out.

While looking through past post I came across a discussion on shims and axle play from 2016, (link below). It sounds as though this little bit of movement may have been built into the 4000 series, but the original poster felt that a spec may indicate a much closer tolerance and was going to install new shims to see if that took care of the movement. Unfortunately, I did not see a follow up to see if that took care of it.

https://casecoltingersoll.com/showthread.php/36857-2-rear-axle-shims?highlight=snap+ring

Since then, any further thought on whether this is an issue worth looking into or if it is an acceptable amount of play? Also, the seals at the end of the axle housing are not leaking.
 

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There are shims on the axles between the axle inner bushings and the differential, both sides. There is a dimension in the transaxle service manual for the gap. Chucking of the axles is normal as they move during tractor operation. Excessive gap will cause excessive spline wear on the axles and the gears that they pass thru. Excessive chucking can also cause the axle retaining snap rings to wear and break.
https://manuals.casecoltingersoll.c...eed Trans-axle Manual 9-99585_watermarked.pdf
 
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