valve cover question
05-17-2010, 09:36 AM
#1
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Join Date: Apr 2010
Location: north jerz / poconos
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Year: 1995
Model: Cherokee
Engine: 4.0 strait six
valve cover question
what are the two plastic L shape tubes coming out the top of my valve cover... one has a hose to my airbox and the other to a sensor i think. i broke the plastic tub that goes to the airbox so i need to replace it and dont know what it is.
05-17-2010, 09:39 AM
#2
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Location: Coeur d' Alene, Idaho
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Year: 1998
Model: Cherokee
Engine: 4.0 rebuilt w/ bored TB, banks header, upgraded ignition, 3 row rad, high flow h2o pump, 180* t-stat
those are PCV valves, which means Positive Crankcase Pressure valve....releases pressure in the valve train, $4 at napa....
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