DatEz Posted December 27, 2017 Report Share Posted December 27, 2017 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. 1 Quote Link to comment
datzenmike Posted December 27, 2017 Report Share Posted December 27, 2017 It's select fit. Some need more or less. 1 Quote Link to comment
flatcat19 Posted December 27, 2017 Report Share Posted December 27, 2017 Is this why every 521 bed every is not installed center? 1 Quote Link to comment
DanielC Posted December 27, 2017 Report Share Posted December 27, 2017 The shims are used to set the proper amount of free play in the axles. When putting the axles back into the rear axle housing, the first axle should have .012 to .035 of free play, in and out. The second axle should have .0008 to .0059 of free play. 1 Quote Link to comment
thisismatt Posted December 27, 2017 Report Share Posted December 27, 2017 Is this why every 521 bed every is not installed center?Jap crap economy pick-up :P 2 Quote Link to comment
wayno Posted December 27, 2017 Report Share Posted December 27, 2017 Leave them the way they are, they are set, do not mix the shims up either, they might not all be the same thickness. 1 Quote Link to comment
datzenmike Posted December 27, 2017 Report Share Posted December 27, 2017 Is this why every 521 bed every is not installed center? Silly gato, that's from drifting. 1 Quote Link to comment
DatEz Posted December 27, 2017 Author Report Share Posted December 27, 2017 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. 1 Quote Link to comment
wayno Posted December 28, 2017 Report Share Posted December 28, 2017 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? 1 Quote Link to comment
DatEz Posted December 31, 2017 Author Report Share Posted December 31, 2017 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? 2 Quote Link to comment
Charlie69 Posted December 31, 2017 Report Share Posted December 31, 2017 Any idea who made the disc brake kit? Quote Link to comment
Crashtd420 Posted December 31, 2017 Report Share Posted December 31, 2017 Any idea who made the disc brake kit?Pic would help..... I'll bet it could be identified by someone here. . Quote Link to comment
Stoffregen Motorsports Posted December 31, 2017 Report Share Posted December 31, 2017 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. Quote Link to comment
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