CA spider gear shims

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   While working on my CA, I found that the spider gears inside the differential had what I would consider excessive clearance.  I did not measure with my dial indicator, and I have more of a car and truck background, so I don't know if it was OK or not.  
My service manual mentions selective shims.  I called Sandy Lake, and they are not available.  The side gear shims are available but they do not mention the thickness.  They are $90 each!!  Needless to say without knowing what they are supposed to be, I will not be buying those.

In the mean time, I got to thinking, man these really look like truck shims and cups.  I tore a dana 44 front end I had sitting in the woods apart and the shims are almost exactly the same.  The only difference is that the center hole is about .020-.050 larger.  The cups are exactly the same size and the same amount of dish.  The Dana cups and shims are about .010 thicker if I remember correctly.  Installing the dana 44 cups and shims tightened it up quite a bit.

I thought if anyone else had this problem this may help.

Lynn

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racin69z Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 11 Jan 2015 Location: Jackson mo Points: 43	Post Options Post Reply Quote racin69z Report Post Thanks(0) Quote Reply Topic: CA spider gear shims Posted: 24 Nov 2015 at 9:45am
	While working on my CA, I found that the spider gears inside the differential had what I would consider excessive clearance. I did not measure with my dial indicator, and I have more of a car and truck background, so I don't know if it was OK or not. My service manual mentions selective shims. I called Sandy Lake, and they are not available. The side gear shims are available but they do not mention the thickness. They are $90 each!! Needless to say without knowing what they are supposed to be, I will not be buying those. In the mean time, I got to thinking, man these really look like truck shims and cups. I tore a dana 44 front end I had sitting in the woods apart and the shims are almost exactly the same. The only difference is that the center hole is about .020-.050 larger. The cups are exactly the same size and the same amount of dish. The Dana cups and shims are about .010 thicker if I remember correctly. Installing the dana 44 cups and shims tightened it up quite a bit. I thought if anyone else had this problem this may help. Lynn

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hillmonkey Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 03 Apr 2010 Location: oville fl Points: 417	Post Options Post Reply Quote hillmonkey Report Post Thanks(0) Quote Reply Posted: 24 Nov 2015 at 5:17pm
	on truck rear ends D44s and 60s ETC. we used to cram as many shims in between the side gear and the carrier as possible. kind of a poor mans limited slip. everything was fine the next time we tore it apart. i dont think you can go to tight on a low speed rear like a tractor.