checking differential backlash
Anyone have a good resource to illustrate setting backlash in a diff? This isn't Miata specific, just a project I'm working on.
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It depends on the type of differential. Ford 9" is the easiest, as you can adjust just by tightening. GM is a bit more annoying, as you have to use shims. What sort of diff are you working with?
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Out of a diesel Cub Cadet garden tractor. I'm transferring the internals from the stock and shitty Aluminum rear end to a cast iron casing. The service manuals assumes you know how all this stuff works, so they skimp on the actual how-to part of it and just say 'set the backlash between 0.003 and 0.008' and go to the next step.
Bad photo but here it is: Attachment 7123 |
What's holding the ring gear in? You might have to set the backlash with the pinion.
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There's two carriers that hold the casing in place, and the ring gear is riveted to that. The outside carriers are shimmed to set the pre-load/backlash.
After looking around I gather that I need to put a dial indicator on the ring gear, and turn the pinion to check the measurement? |
Yep, that's right. This one works the same way as a GM. Are you messing around with the pinion at all?
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No, just moving it from the Al case to the CI case, but supposedly it's done without modifying anything on the pinion at all.
Thanks for replying! I know it's only a small tractor but I want to try and get this done correctly instead of just throwing it together and then crying later when something bad happens. |
No problem. Sounds like you figured it out on your own though.
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