PCV valve?!!!!!! - Jeep Wrangler Forum

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Old 03-26-2012, 10:26 AM   #1
Join Date: Jan 2012
Location: Central Coast
Posts: 136
PCV valve?!!!!!!

I am assuming my 2005, 4.0 does not have a PCV valve.

Is this correct?


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Old 03-26-2012, 10:44 AM   #2
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From MDM on another forum:

The 4.0L doesn't have a PCV valve.

It has CCV (Crankcase Ventilation) fittings. They are plastic fittings mounted through rubber grommets on top of the valve cover, one towards the rear and one towards the front. They serve the same basic purpose as the PCV valve but unlike the PCV valve they don't typically need replacing if that's your concern.

Best Always 🍀,


"Peej" - 2011 Wrangler Sport S Two Door, Quad Black, Six Speed
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Old 03-26-2012, 01:22 PM   #3
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Yes thank you that was my concern.
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