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Old 07-17-2010, 07:19 AM
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Rear End Question

What should i use to seal the rear diff cover to the housing? silicone type stuff, gasket, ???? i had a new rear end put in a few months ago and it is leaking now, and want to get it taken care of. thanks guys
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Old 07-17-2010, 07:58 AM
Other vehicle is an F250
 

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Blue or black RTV. I just redid mine and found out that there is a gasket for it. Got it from O'Reilly's.
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Old 07-17-2010, 08:04 AM
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is the gasket better to use than RTV?
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Old 07-17-2010, 08:18 AM
Other vehicle is an F250
 

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I used RTV last time 'cause I never thot to look for a gasket. It did start weeping. Gasket is doing good. I put a thin layer of black RTV just to make it easier to keep in place. Seems to be fine. I vote for the gasket.
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Old 07-17-2010, 08:22 AM
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Thanks for the info Hank.
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Old 07-17-2010, 09:04 AM
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I use both. A small bead on the housing, then the gasket, then a small bead on the cover. Tighten cover then wipe off the excess.
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Old 07-17-2010, 12:01 PM
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thats what i just got done doing. put a bead on the case, gasket, then a bead again.
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Old 07-17-2010, 12:12 PM
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use both! Most importantly prep the surface on both sides with a solvent and then use an emery cloth to scratch the surface down to clean metal
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Old 07-17-2010, 12:35 PM
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I just cleaned it up really well and used black rtv when I did mine
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Old 07-17-2010, 12:37 PM
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Quote:
Originally Posted by ju015dd View Post
I just cleaned it up really well
That is the key!
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