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PCV Valve location / 2007 V6 3.0 Ranger

  #1  
Old 01-07-2019
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PCV Valve location / 2007 V6 3.0 Ranger

Hi All,

Can anyone tell me if the 2007 V6 3.0 Ranger can be equipped with a PCV Valve, and if so, where is it?

thanks!
 
  #2  
Old 01-07-2019
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I have a '94 3.0 and it's on the driver's side valve cover towards the rear
 
  #3  
Old 01-07-2019
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Welcome to the forum

Positive Crankcase Ventilation(PCV) is required by Law on all vehicles

Yes, drivers side Valve cover on the 3.0l Vulcan engine, is where the PCV Valve would be located, it sucks air out of the valve cover so it sits in a hole in the valve cover

On the passenger side valve cover, or oil filler tube, is the "other part" of the PCV system, the Vent or Breather hose

Some 3.0l's had Heated PCV valves, depends on where it was originally sold usually


Positive Crankcase Ventilation is needed because not all the exhaust goes out the exhaust pipes
When a cylinder fires, some of that explosive force and gases(exhaust) "Blows-by" the piston rings and into the crank case, and oddly enough it is called "blow-by", lol
These hot gases vaporize some of the oil on the piston sides and cylinder walls, that's where ALL the oil vapor in the engine comes from, bearings and valve train can't vaporize oil, they don't get that hot.
Anyway this "Blow-by" and oil vapor will pollute the air, it used to be vented out the side of the crank case years ago, lol
So PCV was added, it sucks out the blow-by(exhaust gases) and oil vapors and burns them in the engine

If PCV valve or hose are getting very oily then change brands of oil, cheaper oil vaporizes easier.
Or rings could be wearing out, to much blow-by, in this case you can add a "catch can" to the PCV Valve hose, and clean it out once a month or as needed
 

Last edited by RonD; 01-07-2019 at 08:50 PM.
  #4  
Old 01-08-2019
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Thanks Ron,

Okay, Iím pretty sure that Iíve located it on the back of the Valve cover. It looks like there are two wires coming from the Valve. Is that correct?

Thanks again.

Originally Posted by RonD View Post
Welcome to the forum

Positive Crankcase Ventilation(PCV) is required by Law on all vehicles

Yes, drivers side Valve cover on the 3.0l Vulcan engine, is where the PCV Valve would be located, it sucks air out of the valve cover so it sits in a hole in the valve cover

On the passenger side valve cover, or oil filler tube, is the "other part" of the PCV system, the Vent or Breather hose

Some 3.0l's had Heated PCV valves, depends on where it was originally sold usually


Positive Crankcase Ventilation is needed because not all the exhaust goes out the exhaust pipes
When a cylinder fires, some of that explosive force and gases(exhaust) "Blows-by" the piston rings and into the crank case, and oddly enough it is called "blow-by", lol
These hot gases vaporize some of the oil on the piston sides and cylinder walls, that's where ALL the oil vapor in the engine comes from, bearings and valve train can't vaporize oil, they don't get that hot.
Anyway this "Blow-by" and oil vapor will pollute the air, it used to be vented out the side of the crank case years ago, lol
So PCV was added, it sucks out the blow-by(exhaust gases) and oil vapors and burns them in the engine

If PCV valve or hose are getting very oily then change brands of oil, cheaper oil vaporizes easier.
Or rings could be wearing out, to much blow-by, in this case you can add a "catch can" to the PCV Valve hose, and clean it out once a month or as needed
 
  #5  
Old 01-08-2019
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Here's a pic that shows the two different styles. The 2004 and newer trucks used the electrically heated style, while 2003 and older used a terrible ring around the rosie coolant bypass tube.

 
  #6  
Old 01-09-2019
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My '94 doesn't have any kind of heater, electrical or ring around the Rosie.

Might I ask what that is for, heating the PCV valve?
 
  #7  
Old 01-10-2019
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There were problems in northern locations and the PCV Valve needed to be preheated, same for throttle body it could ice up
Many Fords used heated PCV valves and had coolant hoses/passages added to throttle body for that reason
 
  #8  
Old 01-10-2019
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My truck was ordered and sold in Tampa, Florida and even it has a heated PCV valve for whatever reason.
 
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