MJ Comanche Tech. Stock & Modified. MJ (86-92)
All discussion regarding the Jeep Comanche, the pickup truck related to the Cherokee platform.

oil leak

Old Jan 1, 2016 | 05:43 PM
  #1  
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Default oil leak

cause/repair of oil getting into breather box
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Old Jan 1, 2016 | 07:53 PM
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From: Oregon Coast
Year: 1999
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Clogged ccv valves. Replace them.
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Old Jan 1, 2016 | 09:18 PM
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cool thanks
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Old Jan 4, 2016 | 07:32 AM
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From: Prescott, Az
Year: 1990
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Originally Posted by danno160
cause/repair of oil getting into breather box
Thanks for your post.

We’re here to help, but you must understand that all Jeeps are not the same.
In order for us to give you more accurate advice and help, we must know the following, as applicable, along with detailed information as to the symptoms/problems etc:

Year
Model
Engine
Transmission
Transfer case
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Old Jan 4, 2016 | 10:39 AM
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Year: 1999 XJ
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Engine: I6 4.0L
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Follow up and let us know if you fixed it, too. The baffles underneath the valve cover are often overlooked (not transferred) if the valve cover is replaced but they're crucial to letting blow-by gasses out and not oil. I have yet to see an aftermarket valve cover with baffles already installed.
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Old Jan 4, 2016 | 06:05 PM
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Originally Posted by alpine.adrenaline
Follow up and let us know if you fixed it, too. The baffles underneath the valve cover are often overlooked (not transferred) if the valve cover is replaced but they're crucial to letting blow-by gasses out and not oil. I have yet to see an aftermarket valve cover with baffles already installed.
We REALLY need to know what year first.
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Old Jan 7, 2016 | 07:56 PM
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Originally Posted by cruiser54
We REALLY need to know what year first.
completely agreed. It's very important
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