where is my PCV valve? - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 03-19-2010
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where is my PCV valve?

02 Manual. Even in the haines manual it says nothing of one.
ANyone have a pic of where it is, and YES I looked for like 20 minutes trying to find it.
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Old 03-19-2010
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should be on drivers side valve cover towards back of motor
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Old 03-19-2010
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is that for my SOHC or your OHV. Becasue thats where it was on my 99 OHV
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Old 03-19-2010
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it should be their their is prob a bounch of wires are something covering it up
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Old 03-19-2010
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The 4.0 SOHC PCV is on the rear face of the driver side valve cover. It has coolant heater pipe around it. Unscrews 1/3 turn CCW to release it. Removal is not as easy as it sounds. Blame the EPA because they mandate "positive retention".

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Old 03-19-2010
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thanks bob, way to come through!
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Old 03-20-2010
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well the one I bought from O'reilleys is aluminum and doesnt have the screw thread? ANy ideas if a smooth one will work w/out the unlock thread?
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Old 03-20-2010
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You have to have the right one. The last time I bought one for a 4.0, it was around $18 from the dealer.
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Old 03-20-2010
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I just got it from NAPA. Took like 20 min to change. I didnt relize that metel loop has antifreeze in it till i pulled a hose off and got shot...Well ended up just swapping the valve and leaving the orignal pipe thing.

The one i pulled was VERY greasy and gunked up. Glad i changed it. Put still couldnt get the fuel filter changed, even with the tool...oh well try later...

Thanks BOB!!
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Old 03-20-2010
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Quote:
Originally Posted by ranger_1999 View Post
I didnt relize that metel loop has antifreeze in it till i pulled a hose off and got shot...
It heats the PCV to keep condensed water from freezing inside.

Quote:
Originally Posted by rwenzing View Post
It has coolant heater pipe around it.
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Old 03-22-2010
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If you wait until the engine is cold to change the PCV valve, you will have very little coolant loss when the hoses are disconnected.
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Old 03-22-2010
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okay, good to know for next time. i changed the fuel filter too, finally got it off. I couldnt get 2 hoses off with the quick realse tool. Took some pliers and squeezed the ends and the popped right off.
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Old 01-20-2013
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ive got a 99 xlt and cannot find the damn8 thing. Apparently it was disconnected. After i failed the smog the mechanic told me it was unplugged. Do you think that could be why i failed. the codes were egr and system too lean bank 1
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