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Unread 04-15-2013, 06:04 AM   #1
jdhaas3
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2008 JK Wrangler 
 
Join Date: Mar 2013
Location: Chesapeake, Virgina
Posts: 116
Leaking RMS/Valve cover gasket

Pulled my valve cover and scraped off all of the RTV and installed a 7/32 cork felpro gasket this weekend. Was trying to fix my small tick in the valve train. When we went to reinstall it we saw that one of the bolts for the valve cover had been snapped off so we removed that and actually got a new one in. Also, when initially pulling the valve cover we noticed that the triangular clamps were torqued so much that they were bent a little.

Put it all back together with all 7 bolts in and 7 new clamps and drove it home. Later that evening I noticed a few drops of oil in my driveway. I have never had this thing leak a drop of oil in my driveway. I crawled underneath and it looked like it was coming from the RMS but I just dont see that being likely. Is it possible that the PO warped the valve cover and I am not getting a good seal with the valve cover, and that is leaking down making it look like oil is coming from the RMS? I am wondering if this is why he used RTV in the first place?

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Unread 04-15-2013, 06:22 AM   #2
walkerhoundvm
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1981 CJ8 
 
Join Date: Apr 2010
Location: The Little Apple, KS
Posts: 3,090
Short answer: yes. And nearly everybody uses RTV as a sealant for either the oil pan or valve cover. Just a couple of drops? Maybe it's leftover oil, give it a few weeks and check regularly. And don't be ashamed you're leaky - be proud, it's a Jeep.
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Unread 04-15-2013, 07:52 AM   #3
shadoow
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1985 CJ7 
 
Join Date: Nov 2006
Location: Granbury, Texas
Posts: 458
i agree it's not likely the RMS decided to leak at the same time you replaced the valve cover gasket. Did you use any sealant on the valve cover gasket??. Have you looked at the rear of the valve cover (slide an inspection mirror in there) and on the top of the bell housing to see if there's any signs of leakage?? Also, clean off any oil leakage so you can better see where it's coming from.
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Unread 04-15-2013, 08:09 AM   #4
jdhaas3
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2008 JK Wrangler 
 
Join Date: Mar 2013
Location: Chesapeake, Virgina
Posts: 116
Quote:
Originally Posted by shadoow View Post
i agree it's not likely the RMS decided to leak at the same time you replaced the valve cover gasket. Did you use any sealant on the valve cover gasket??. Have you looked at the rear of the valve cover (slide an inspection mirror in there) and on the top of the bell housing to see if there's any signs of leakage?? Also, clean off any oil leakage so you can better see where it's coming from.
Used a gasket sealer to get the cork gasket hooked to the valve cover.That is pretty much it. I will clean it up and look at it when I get home from work.
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Unread 04-16-2013, 07:14 PM   #5
aggiejon
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1979 CJ7 
 
Join Date: Jan 2009
Location: Temple, TX
Posts: 585
Any tips on fixing a leaking RMS without pulling the engine. Mine is leaking more than I can tolerate.
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Unread 04-16-2013, 07:26 PM   #6
walkerhoundvm
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1981 CJ8 
 
Join Date: Apr 2010
Location: The Little Apple, KS
Posts: 3,090
You don't have to pull either the engine or the transmission. Most difficult piece is removing an engine mount to get the oil pan out. See here: http://www.neow.net/rms1.html

It's what I followed word for word when I replaced my RMS. First mechanical thing I had ever done, three years ago, and it's only dripped just a little ever since.
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