How much diff fluid does the Moser 12 need?

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Oct 1, 2006 | 06:18 PM

Goodrich

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From: Cary, IL

How much diff fluid does the Moser 12 need?

I just had to pull the cover off my Moser 12 bolt after whacking it one to many times on the underbody which caused it to leak. I laid down some red RTV and torqued it all back down. It took 2 quarts of 80w90 plus the posi additive and still wasnt full filling it from the front. Does it need more than that? Thanks in advance for the help.

Oct 1, 2006 | 08:34 PM

ChicagoTransAm

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I have 2 n a half in mine? FWIW, next time put some heavier gear oil in there... It really quieted mine up alot

Oct 2, 2006 | 11:42 AM

Goodrich

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From: Cary, IL

Hmmm, the oil that came out looked a lot thicker than what I put in. What weight are you using? Also are you using synthetic?

Oct 2, 2006 | 02:10 PM

ChicagoTransAm

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I can remember and it's pouring outside so eh... to lazy to go to the garage

I think it was somewhere in the 140 range though. And yes, I am using Mobil 1 synthetic...

Oct 2, 2006 | 02:41 PM

02SOMWS6

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You might want to give moser a call. I could have sworn that I read not to use synthetic fluid cause it can mess up the posi

Oct 2, 2006 | 03:10 PM

ChicagoTransAm

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Quote:

Originally Posted by 02SOMWS6

You might want to give moser a call. I could have sworn that I read not to use synthetic fluid cause it can mess up the posi

Eh? I know for spools you're not supposed too..

Oct 2, 2006 | 04:47 PM

Goodrich

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From: Cary, IL

Quote:

Originally Posted by 02SOMWS6

You might want to give moser a call. I could have sworn that I read not to use synthetic fluid cause it can mess up the posi

Hmmmm, I used Valvoline synthetic blend 80w90 weight. Just tried to call Moser but they are gone for the day already...

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Oct 3, 2006 | 07:43 AM

John02SS

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From: Pace, FL

You can fill with the hole in the cover, but fluid level goes to the hole in the housing. 2 bottles should fill it up to that hole.

Oct 3, 2006 | 03:32 PM

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Goodrich

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From: Cary, IL

Thanks. I put in 2 bottles so I guess I should be alright. Also I got an email back from Bruce Wood over at Moser who said the proper oil weight to use is 80W90 non-synthetic. I asked him if using thicker will quiet it up a bit and Im waiting to hear back.