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post #1 of (permalink) Old 12-12-2005, 08:34 PM Thread Starter
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D30 Questions - Fluid what type how much?

I am installing an Aussie lunchbox locker in my D30 (CJ7) and am wondering about a few things.

1. What brand/weight type of diff fluid should I put back into the unit after the Aussie is in.

2. How much fluid is required?

3. What is the best way to seal the diff cover? Gasket, RTV, what brand do you like?

Thanks for the help!
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post #2 of (permalink) Old 12-12-2005, 08:36 PM
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Re: D30 Questions - Fluid what type how much?

1. 90w Gear oil... brand = Coke vs. Pepsi

2. fill until it comes out the fill hole

3. RTV or Gasket, but you should be able to use just a gasket and been good. that's the way it was designed.
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post #3 of (permalink) Old 12-12-2005, 09:53 PM
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Re: D30 Questions - Fluid what type how much?

What Brent said... till it runs back out...

I like to use a paper gasket on the Dana-30 and cork on the AMC-20, installed dry (get a couple uses that way). Some silicone gasket stuff will work but it's more work in the long run cleaning it off and starting over. Those gaskets are available at 4wd.com and quadratec.com as well as many others.

Being the cheap (beep) that I am... I just buy the 5 gallon buckets of GL-5 (85w-90 Gear Lube) at Auto Zone, Costal Brand. Don't matter what brand since I'm going to toss it into a recycle tank in a few weeks anyway.

Change the gear boxes often and get out all of the crud and water... OK, maybe I spend too much time running the creek. [img]/ubbthreads/images/graemlins/smirk.gif[/img]

[img]/ubbthreads/images/graemlins/40BEER.gif[/img]
Dale

Edit: Forgot to comment on volume... Dana 30 is less than 1/2 gallon and the AMC-20 is about a half gallon. So you can change both with a gallon jug. But then there is the transmission and transfercase....

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post #4 of (permalink) Old 12-12-2005, 10:08 PM Thread Starter
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Re: D30 Questions - Fluid what type how much?

Ok, thanks Brent. I guess I was wondering whether a special additive was necessary for the lunchbox locker or if it dictated something other than standard 90w, perhaps synthetic. But if not required then I am set.

Thanks again.
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post #5 of (permalink) Old 12-12-2005, 10:26 PM
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Re: D30 Questions - Fluid what type how much?

[ QUOTE ]
Ok, thanks Brent. I guess I was wondering whether a special additive was necessary for the lunchbox locker or if it dictated something other than standard 90w, perhaps synthetic. But if not required then I am set.

Thanks again.

[/ QUOTE ]

You won't need a friction modifier (additive) with that type locker, only limited slip with clutches require that.

Synthetic if you wish but it's much more expensive and I would suggest that you change the lube often.

[img]/ubbthreads/images/graemlins/40BEER.gif[/img]
Dale
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