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Unread 04-22-2013, 05:16 PM   #1
robodiaz
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Join Date: Oct 2009
Location: Kent, WA
Posts: 15
Oil dripping on the exhaust causing a nasty smell.

So a while ago I was smelling fumes in the cabin. At certain angles I could see smoke sometimes on the passenger side.

I looked at the fuel lines and hoses and couldn't find anything. I did notice a small oil drip on the ground and noticed oil marks around the exhaust especially where the catalytic converter connects. Here's a pic.

I've tried to feel around up there but I can't feel any holes or anything. I'm not very knowledgable about cars other then I can follow instructions pretty well. But what should be my next step to find where the oil is leaking from?

I also noticed alot of oil near the electrical plugs on the cat.

Any help or speculations are really really appreciated. Thanks!

20130421_144919-arrow.jpg   20130420_224844.jpg  
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Unread 04-22-2013, 06:07 PM   #2
TwoBobsKJ
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2003 KJ Liberty 
 
Join Date: May 2011
Location: Northern, OH
Posts: 579
The valve cover gaskets are leaking - a common issue with the 3.7L engine with the stamped steel valve covers. The leak is typically at the lower, rearmost bolt location - which is right above the cats.

The gasket replacement isn't technically but does require a decent assortment of tools and some mechanical experience. I got a quote from my local dealer for the passenger side (the more difficult side) just for giggles and they wanted $220! An independent shop I'm sure would charge less.

Bob

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2003 Renegade, Black
- 3.7L, 42RLE, 4.10's, 4X Guard Trans skid, Factory Engine, T-case, Tank skids, Modded BoulderBars sliders, OME 927/948, Bilsteins, JBA A-Arms & 1/4" top plate, 1 extra rear iso/side, Moabs with Firestone Destination AT's 255/70-16
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Unread 04-22-2013, 06:28 PM   #3
robodiaz
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Join Date: Oct 2009
Location: Kent, WA
Posts: 15
Awesome. Thanks Bob for the info!
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Unread 04-23-2013, 11:56 AM   #4
robodiaz
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Join Date: Oct 2009
Location: Kent, WA
Posts: 15
The first quote I got from a dealership was a little over $300. I'm going to call a couple of other local/trusted shops and see what they say but I might try it out myself.

I was reading this writeup on changing the valve cover gaskets.
http://www.jeepkj.com/forum/f196/pas...-gasket-47815/
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