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Diff Rebuild

johnnyG60

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Hi All,

Wondering what everyone does to clean the diff cups out when rebuilding?

Is there a product that will completely remove the diff fluid? Or do you just let them sit upside down overnight?

Thanks all
 

EngenZerO

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Hi All,

Wondering what everyone does to clean the diff cups out when rebuilding?

Is there a product that will completely remove the diff fluid? Or do you just let them sit upside down overnight?

Thanks all

I use some low cst silicone oil to take out the heavy stuff then just turn the diff upside down overnight.
 

johnnyG60

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I use some low cst silicone oil to take out the heavy stuff then just turn the diff upside down overnight.
I like this idea. I have heard this a few times now. Using like 50cst silicone to dilute the thick stuff.
 

fltrsei97

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I've used brake cleaner, carb cleaner and Nitro Clean. Obviously these are all volatile solvents. I really like the idea of low viscosity silicone oil. Diff fluid is silicone based and from high school chemistry, "like dissolves Like".

I'll have to give this a try. Thanks for the info.
 

Ruzty1311

Member
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I've never really worried about making my diffs in any of my rigs squeaky clean and I don't see the point? Just get as much out as you can then get a paper towel and rub out the remainder, refill, and go! There wouldn't be enough in there to make a difference :)
 

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