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Old 04-09-2011, 12:59 PM   #1
Join Date: Apr 2011
Posts: 4
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
Join Date: Jan 2010
Location: Las Cruces, NM
Posts: 2,303
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..

(Sold)1994 Jeep Wrangler 2.5L, Bestop top
/w steel half door and slider windows
5 speed, 2.5" lift, 31" tires,rack lights
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Old 04-09-2011, 05:18 PM   #3
Join Date: Oct 2010
Posts: 203
I agree, first thing check out the pcv system.
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