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moser 12 bolt wines like crazy!!

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Old 11-18-2006, 12:27 PM
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Default moser 12 bolt wines like crazy!!

rear has been good for 1200 miles... sat for about 6 months. got it home a month ago, changed all fluids ect ect. drove it around town, noticed it got a little nosier then normal but figured it was because i gutted the interior... Yesterday took it out, now its to the point I cant stand being in the car its soooo loud. car shakes, not bad but didnt always do it. Thought it may be the DR's but they are balanced perfect. I also had the axles pulled out and longer studs installed along with all new bearings. Getting the car back home next week and ill be tearing it apart, any ideas guys?
Old 11-19-2006, 01:43 PM
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Id say a rear progressivly getting louder is a bad thing. Usually they whine from the beginning or develop a whine after a few launches. If it started right after you did an oil change and havent done any hard launches I would take the cover off and check for metal fileings from the berings and irregular wear on the ring gear. What oil did you use? 90w synthetic or comprable should have been used.
Old 11-19-2006, 01:45 PM
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welcome to the club
Old 11-27-2006, 09:05 AM
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I used royal purple 90W. I dunno if its just because I gutted the car that it got to loud or if it just happened at the same time. Seams like the sound is coming from the right side of the car. If I turn right hard enough to take the weight off the right side, the noise stops. ANy ideas?
Old 11-27-2006, 09:15 AM
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Maybe an axle bearing?
Old 11-27-2006, 03:45 PM
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im gonna play with it tonight and see how far I get. Ill keep you guys updated. I just put new bearing in when I did the longer studs...
Old 11-27-2006, 08:14 PM
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Moser does poor quality work. My 9" is just junk.

I trying to find a place to fix it as we speak.
Old 11-28-2006, 07:55 AM
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Originally Posted by TeEnAgE pHeNoM
Maybe an axle bearing?
having mine replaced tomorrow for the same noise.
Old 11-28-2006, 08:07 AM
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Moser says not to use synthetic fluid. Why did you use Royal Purple? And why would you change bearings on a rear that was "good for 1,200 miles?
Old 11-28-2006, 11:45 AM
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hard launches on a sticky tire isn't good on the bearings I guess. That much stress on them just tears them up I guess. My strange 12 bolt whines and I am going to rip it apart here in January after the holiday season to see if I just need a new bearing or if axle shafts are worn too from the bearing.
Old 11-28-2006, 03:44 PM
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my moser 12 was quiet as stock w/3.73's. with the 4.11's it's noisy,they all are.
Old 11-28-2006, 07:06 PM
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Originally Posted by INMY01TA
Moser says not to use synthetic fluid. Why did you use Royal Purple? And why would you change bearings on a rear that was "good for 1,200 miles?
installed longer wheel studs and they are pressed on bearings so they need to be replaced if you ever remove them... Havent had a chance to tear it apart yet. I don't think the synthetic fluid would make this noise. it seams to be coming from the right side. Havent had a chance to tear it apart yet.
Old 11-28-2006, 07:07 PM
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im ready to jump to 3:73's! lol
Old 12-04-2006, 03:54 PM
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taking it apart tonight. ill keep ya updated




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