2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

S4 TII LSD Differential rebuild

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Old Oct 21, 2003 | 05:50 PM
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S4 TII LSD Differential rebuild

Okay well I can pick up new bearings, discs, and washers and the other stuff to rebuild the diff for about 100 bucks, a friend told me he had his done at a shop for the lack of knowledge, and time, any good links or suggestions for rebuilt differntials
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Old Oct 21, 2003 | 05:53 PM
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At the end of chapter 9 of the FSM it takes you through putting a LSD together., if that helps any.
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Old Oct 21, 2003 | 05:58 PM
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I was under the impression that a machine shop would be needed to press the bearings to the ring and pinion gear.
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Old Oct 21, 2003 | 06:04 PM
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If you mean the bearings onto the LSD, then yes, they are pressed on.
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Old Oct 21, 2003 | 08:09 PM
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The pinion gear doesn't come off of the input shaft. And the ring gear simple comes on and off with the tap of a ruber malet.

And when I looked at my TII diff out of my car, it didn't look like you would need to remove the bearings on the end to break the diff down. Because there were like 4-6 big philips screws that held it together. Or at least I thought that was what it was.
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Old Oct 21, 2003 | 08:22 PM
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this is what a friend e-mailed me

"The rear end part to tighten up the LSD will be under $100 but you need to pay
someone to set the gears up. I had Donny do mine since you either need a dummy
pinion ($347) or do a trial and error fitting which you can end up destroying a
$20+ bearing on each test fitting."
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Old Oct 21, 2003 | 09:50 PM
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im thinkin bout that too....where did u get the parts?....mike
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Old Oct 21, 2003 | 10:03 PM
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www.mazdamotorsports.com, but you need an account with them, if you race in atleast 2 offical racing events in a year, SCCA autocrossing events will suffice
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Old Nov 16, 2003 | 07:20 AM
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So where do us people who do not race get parts for that?
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Old Nov 16, 2003 | 08:04 PM
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I've gone out and bought the parts from a bunch of other dealers, and I am wondering if anyone can provide the bearing number off the Front and Rear Pinion Bearings for a 86-92 non turbo.

Thanks!
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Old May 13, 2004 | 01:29 PM
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does anyone have the part number for everything needed to rebuild the diff?
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Old May 13, 2004 | 02:45 PM
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Originally posted by BlackRx7
www.mazdamotorsports.com, but you need an account with them, if you race in atleast 2 offical racing events in a year, SCCA autocrossing events will suffice
Cool, do event nights at a strip count if you have your timeslips?
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