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Unread 04-08-2009, 08:02 AM   #1
BliZZard911
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Differential Sealant Question

I'm going to change the differential oil. What is a good sealant to use for re-sealing the cover?

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Unread 04-08-2009, 08:09 AM   #2
EMTimZJ
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I have had good results with blue RTV and the "right stuff" black RTV. I have used the black many more times, it is just what I have purchased and I have not had any problems.
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Unread 04-08-2009, 08:10 AM   #3
sandman
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most any rtv will do. lube lockers are cool, but ive been using napas regular old black rtv for years and it always works good.
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Unread 04-08-2009, 08:15 AM   #4
BliZZard911
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Thank-you for the quick responses.
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Unread 04-08-2009, 08:30 AM   #5
ajmorell
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Used blue and black both. I think Black is better but either will do the trick.
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Unread 04-08-2009, 08:48 AM   #6
walter_da_jpr
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I also have used blue and black and ultra blue. They all seem to work.
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Unread 04-08-2009, 09:19 AM   #7
KN94ZJ
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Buy the gaskets, spray a little red gasket holder/sealer... and bolt on the cover... works excellent!!!
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Unread 04-08-2009, 12:38 PM   #8
ratmonkey
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blue, black, red, clear, i've used pretty much everything and it all does the job.
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Unread 04-08-2009, 01:34 PM   #9
phant0omx
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Quote:
Originally Posted by EMTimZJ View Post
I have had good results with blue RTV and the "good stuff" black RTV. I have used the black many more times, it is just what I have purchased and I have not had any problems.
I think you mean "The Right Stuff" RTV. I use it and it works great.
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Unread 04-08-2009, 02:54 PM   #10
indianajeep
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permatex ultra black
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Unread 04-08-2009, 03:21 PM   #11
tirus89
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RTV red, I usually get a gasket from Napa to make sure!
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Unread 04-08-2009, 03:47 PM   #12
ajmorell
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RTV red, I usually get a gasket from Napa to make sure!
Red is usually for hi-temp applications, I would save it for stuff like thermostats personally (not saying it won't work)
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Unread 04-08-2009, 05:04 PM   #13
dougy147
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Quote:
Originally Posted by phant0omx View Post
I think you mean "The Right Stuff" RTV. I use it and it works great.
That's what I use, but I think practically anything will work just fine.
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Unread 04-08-2009, 05:13 PM   #14
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my preference is ultra grey , but the right stuff is excellent product too
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Unread 04-08-2009, 05:20 PM   #15
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I like the RTV black... I have used it without problems
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