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Diff oil capacity......how much?

Old May 11, 2002 | 10:53 PM
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Default Diff oil capacity......how much?

I'm ready to slot the diff back in, but I want to fill it with oil first. The thing is that I can not find how much it takes anywhere. The Haynes manual is bloody useless!
Anyone have this info please?
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Old May 11, 2002 | 11:12 PM
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Default Re: Diff oil capacity......how much? (Brutus)

add the posi additive and fill it till it just starts to leak out the plug hole :smash: :smash:
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Old May 11, 2002 | 11:20 PM
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Default Re: Diff oil capacity......how much? (One GM A Tech)

Of course that is the obvious thing to do when you have the oil, but I posed the question so that I only need to buy enough oil and not have just as much left over for another diff refill that I don't anticipate needing in the forseeable future. I can buy it in either 1 litre (quart) or 4 litres and I'm sure it doesn't need 4 litres.
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Old May 11, 2002 | 11:37 PM
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Default Re: Diff oil capacity......how much? (Brutus)

The DANA 44 in my '80 took a little less than two 1 qt. bottles of GM gear lube. The left over gear oil was probably due to the posi additive.

(edit = changed from 3 to 2 quarts. Brain poot)



[Modified by MIKER, 10:37 PM 5/11/2002]
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Old May 11, 2002 | 11:56 PM
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Default Re: Diff oil capacity......how much? (Brutus)

My 77 used 1 bottle of additive and 2 quarts of GM gear lube.
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Old May 12, 2002 | 12:04 AM
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Default Re: Diff oil capacity......how much? (EarnIt)

Thanks guys...that's set me in the right direction. Just out of curiosity, what is the capacity of the posi lube bottle your put in. I have a small bottle which is 4 fl oz. This was given to me buy the guys who rebuilt the diff and installed the new 3.7s which I'm led to believe is sufficient for the job.
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Old May 12, 2002 | 12:30 AM
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Default Re: Diff oil capacity......how much? (Brutus)

. . I have a small bottle which is 4 fl oz. .
Yup, that sounds like the one!
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