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Unread 02-16-2011, 04:15 PM   #1
Thane1
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RTV Sealant For Differential cover

I'm putting my New Rear Diff Cover on this Saturday.

I was told to get RTV Sealant.

Is there a particular type I should get?

I've never done this before, so any help/advice you experienced wrenchers can give me is greatly appreciated!!

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Unread 02-16-2011, 04:27 PM   #2
DBA2GO
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I've used Grey (ultra Grey) whatever... I can't find torque specs; maybe your new cover told you what they were?
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Unread 02-16-2011, 04:48 PM   #3
Thane1
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Quote:
Originally Posted by DBA2GO View Post
I've used Grey (ultra Grey) whatever... I can't find torque specs; maybe your new cover told you what they were?
Thanks for the reply,

I have the ARB specs which say to torque them to 25.4 ft/lbs. I just don't know anything about the RTV.
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Unread 02-16-2011, 04:52 PM   #4
DBA2GO
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I think the blue would work too?
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Unread 02-16-2011, 04:53 PM   #5
DBA2GO
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1/4" continous bead - then let it kinda set before you put it on... There should be a writeup somewhere here.
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Unread 02-16-2011, 04:59 PM   #6
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I recommend these:

http://www.lubelocker.com/products/products/view/2/3

I put them one when I replaced the Diff Covers. Actually snapped of a bolt putting the covers on and have yet to replace it and it has been a year since I put them on and zero leaks!!! Just be sure to follow the torque specs...my wrench was broken so I busted the first bolt but after getting a new wrench all was well
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Unread 02-16-2011, 10:47 PM   #7
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I went with the blue RTV, no issues.
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Unread 02-17-2011, 12:27 AM   #8
Krush
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I went lubelocker and it's very clean and a sure coverage. If you screw up applying the grey blue or black stuff you aren't really sealed. With lubelocker your guaranteed sealed.
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Unread 02-17-2011, 12:45 AM   #9
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Quote:
Originally Posted by Thane1 View Post
I'm putting my New Rear Diff Cover on this Saturday.

I was told to get RTV Sealant.

Is there a particular type I should get?

I've never done this before, so any help/advice you experienced wrenchers can give me is greatly appreciated!!
I've never bothered with RTV - just use a paper gasket and torque to 20-25 pound-feet on the screws. Haven't had a leak yet.

I don't like to use RTV on "maintenance" gaskets - I want them to be easy to clean up when I change them. If anything, I'll smear a thin layer of grease on the gasket, or blow some graphite on it to improve the release of the thing later...
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Unread 02-17-2011, 01:29 AM   #10
JLC08JK
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There is an RTV that is labeled for differential covers and other oil contact areas.
I don't know how much better it is though since it's for diff's thats what I got!
All the JK torque specs are listed at the end of the F.A.Q.
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Unread 02-17-2011, 05:43 AM   #11
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Quote:
Originally Posted by JLC08JK View Post
There is an RTV that is labeled for differential covers and other oil contact areas.
I don't know how much better it is though since it's for diff's thats what I got!
All the JK torque specs are listed at the end of the F.A.Q.
That is the black stuff. I like using the "cheese wiz" type dispensers. You can find it labeled "Right Stuff". It makes laying a nice, thin and contiguous bead a snap.

http://www.permatex.com/brand_right_stuff.html
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Unread 02-17-2011, 08:30 AM   #12
kswyg001
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Paper gaskets are easier. If you smudge the cover a little bit when you're torqueing then you have no worries. But+ for what it's worth- I took my JK to the dealer for the diff bolts having some moisture and they used a silver RTV.
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Unread 02-17-2011, 09:51 AM   #13
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If you want to get technical, here's the part number for the Mopar factory RTV. 05013477AA. When applying, it says to install the covers within 3-5 minutes and use a criss cross pattern when tightening the bolts.
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Unread 02-17-2011, 01:46 PM   #14
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Rant!

Rant on...


Rugged ridge diff covers!!!!

Do not buy these 69.00 crappy covers. The welds were performed by blind monkeys from china, the 5 tiny hex head bolts are made from the same strength metal as wrigleys gum wrappers which are so soft 3 of the 5 bolts stripped & lost their integrity and I am pissed after spending 4 hours boring out a hole after applying rtv gooey mess all over trying to re-re install the oem diff cover bolts.

&$ck you china and shame on me for thinking there's no difference between these and the warns... Tsk tsk tsk


WTF is up with ****ty hardware and bolts made out of the worse grade ww2 Chinese metal. ?!?!?
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Unread 02-17-2011, 02:25 PM   #15
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Best bet is the grey RTV from Mopar or Perma -Tex black Rtv.
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