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9 inch assembly & install

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Old Aug 19, 2004 | 03:50 AM
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Default 9 inch assembly & install

I'm getting ready to assemble & install a 9 inch in my car within the next week. Any special tips on doing this? The 3rd member is already together...just gotta get the backing plates off my 10-bolt, and press the bearings on the axles...

Do I install the 3rd member and then slide the axles in? Also how much fluid do these hold? and is it OK to use synthetic fuild like royal purple?

Thanks
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Old Aug 20, 2004 | 12:12 AM
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anyone? I know there's a few of u out there that've done this...
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Old Aug 20, 2004 | 02:34 AM
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I heard that you gotta use regular gear oil. and you gotta throw the 3rd member in first or else the axles will be in the way.
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Old Aug 20, 2004 | 06:20 AM
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third member goes in first, then the axles go in, then add oil, very easy. I use redline oil in mine
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Old Aug 20, 2004 | 06:27 AM
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Moser says DO NOT synthetic oil.

Bruce
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Old Aug 20, 2004 | 11:20 AM
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I think people that do run synthetics do cuz of personal preferences. I just don't want to run cheap gear lube in an expensive rear end.
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Old Aug 20, 2004 | 11:24 AM
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yeah I wasn't sure on the whole syn VS reg gear oil debate. Anyone else got any input on this?
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Old Aug 21, 2004 | 02:14 AM
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do not use syn. oil. 80/90 will do.thats what I use.
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Old Aug 21, 2004 | 09:25 AM
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just like was said...install the 3rd member then slide the axles in. Make sure to tighten the backing plate bolts adequately...maybe use a lockwasher since they can back out on you if you're not careful

My moser 9" takes ~1 gal of gear oil to be filled
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Old Aug 21, 2004 | 11:30 AM
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i recommend 90wieght in the posi
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Old Aug 21, 2004 | 03:01 PM
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I have a full spool, guess I'll just use regular oil. Thanks for the replies
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