Something missing in my 8.75. Axle slop

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68vert

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Hot Springs AR
I have too much slack in axles. Took it apart and that part between axles is missing. Looked at an extra 3.91 I have and see it in there. How do I put the missing piece back in. Needless to say, but this is my first rear to mess with.
1st-pic is of extra 3.91
2nd is of 3.23 out of car.

B7148029-626B-411C-A3E4-955F2E3ED870.jpeg


EA4597C2-0278-46BF-BA66-AF0A7B6F6D89.jpeg
 
--- first off it looks like your cross shaft is damaged from the axles being jammed into the cross block -- you may have to run a file down there to bring the diameter of the hole back to what it was in order for the new thrust block to fit --- if you can't then the carrier will have to be taken apart and the center block repaired.

--- if you are using the stock tapered bearings with the end play adjuster on the right side axle the thrust button can be installed without tearing the center section apart.
--- get a new thrust button and retaining pin ( Mancini Racing has them )
--- turn the center section on its side and install the one half of the new button with the pin installed ( one end flared out or kit may have a split pin ) into the cross shaft hole.
--- install an axle shaft or other round stock into the side you just placed button and pin into to keep it from falling out
--- carefully turn the unit upright to the other side keeping pressure on the axle shaft or round stock from backing out and l having the retaining pin and block fall out
--- now fish the other side of the thrust button in using a magnet or long jawed needle nose pliers over the retainer pin
--- once you get the other side in place over the pin simply peen the end of the pin to flare it out --- if the kit had a split pin no peening is necessary simply knock the thrust button half over the other half of the split pin
 
Thanks, that helps a bunch. I’ve been thinking if it was a major fix. I would just run the 3.91. I’ll order the thrust button tonight. Thanks
 
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