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War Pig
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618 Posts
Discussion Starter #1
does the diffs have seals or do they use silicone?
 

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Oooo, White Lightning !
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2,921 Posts
If you buy a Mag Hytec you dont need silicone. They have O-rings, but they're pricey.......Everyone uses silicone. Make sure you buy the right stuff. Mine has leaked twice now.....However you can buy a roll of gasket and use that. i herd it works pretty good with a bit of silicone to.
Its imparitive that both surfaces are spotless.
 

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OBS junkie
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8,250 Posts
Just use some black silicone from a tube.
 

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War Pig
Joined
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618 Posts
Discussion Starter #4
i had to use silicone on my Jeep too. i just didn't know if fords were the same now. thanks.
 

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Registered
Joined
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629 Posts
Ultragray silicone on the old rear and no leaky. Just change out the cover two weeks ago and great!
 

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All done now
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22,486 Posts
Ultra blue for me.
 
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