Question about 1997 Jeep Grand Cherokee
The 4.0 liter has a pcv orfice it is the one in the rear of the valve cover and grey still dealer only and should be changed 30,000 miles with the spark plugs. the 5.2/5.9 also has one it is in the right (thats passenger side) valve cover and needs 30,000 service also again with the plugs
Posted on Aug 22, 2010
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Posted on Jan 02, 2017
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