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521 rear axle shims


DatEz

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Hey folks, I’m currently swapping the rear drums to disc brakes, but I noticed that when I pulled off my rear axles, one side had only three metal shims and the other side had about 6. Does anyone know what the correct amount on each side is and also where to buy new shims? I can’t find them online.

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Ok, I left them all on the way they were when I took the axles off. But now I have fully installed the disc brake conversion and there is a ton of wobble/play. Was I supposed to leave some of the backing plate on to fill the gap? I had the entire plate cut off.

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Ok, I left them all on the way they were when I took the axles off. But now I have fully installed the disc brake conversion and there is a ton of wobble/play. Was I supposed to leave some of the backing plate on to fill the gap? I had the entire plate cut off.

 

Didn't you get directions with whatever kit you bought?

I am thinking the plate has the rear bearing in it, there is a bearing on the axle isn't there, the axle is still held in by the 4 nuts on the studs, right?

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Well I bought the kit off a guy who already installed it but never used it because he decided to convert to 5 lug. But I also didn’t have my differential in because I was waiting for my gasket that arrived today. Now to install the new diff gasket, do I NEED to have a dealer of some sort applied? If so, would clear rtv work?

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Well I bought the kit off a guy who already installed it but never used it because he decided to convert to 5 lug. But I also didn’t have my differential in because I was waiting for my gasket that arrived today. Now to install the new diff gasket, do I NEED to have a dealer of some sort applied? If so, would clear rtv work?

No, you don't NEED a gasket sealer, but why risk it? I use black or grey RTV on diffs. Mainly "the Right Stuff" RTV because it's tough as nails. And it's black so it won't stand out against the black paint on the axle housing.

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