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Old 04-09-2011, 12:59 PM   #1
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Join Date: Apr 2011
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95 yj 2.5 blow by

Hello all this is my first wrangler .and it seams 2 have a lot of blow by when I pull the oil cap off it only has 75000 miles how much should it have

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Old 04-09-2011, 02:42 PM   #2
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Location: Las Cruces, NM
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Check the crankcase vent system. don't know what yours has, could be PCV or CCV. On mine there is no PCV valve, a line from the front of the valve cover runs to an orifice in the intake manifold, the second line runs to rear of valve cover to the air cleaner to supply fresh air....either system could be blocked..

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Old 04-09-2011, 05:18 PM   #3
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I agree, first thing check out the pcv system.
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