Tip & How-To about Ford Crown Victoria

All Ford 5.0l engines

A lot of people don't know this. On some Ford 5.0l engine there is a little filter below the positive ventilation crankcase (PVC) valve. Too many people have replaced only the PVC valve thinking the reason for oil blowing out of the valve covers, and any other gaskets or seals, will correct the problem. In reason, the PVC is one of the main areas to check and is the easiest and cheapest way to go. In all, the PVC filter is to blame. Remember preventive maintenance goes a long way have your oil changed regularly.Lee Davidian

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2 Answers

What could cause an engine in a 1997 jeep grand Cherokee Laredo to blow the oil cap completely off the valve cover on a straight 6 cylinder


No ventilation to the block....check pvc valve...check for broken parts under valve cover. Or the ears that hold the cap in are missing cap is the wrong size should have 2 ears on cap like to thread.....p.v.c....positive crankcase ventilation

Nov 26, 2015 | Jeep Cars & Trucks

1 Answer

how do you get the pcv valve out of the valve cover


Usually you grasp it an pull it out.

Positive Crankcase Ventilation (PCV) Valve Removal & Installation To Remove:
PCV Valve location (3.3L & 3.8L engines shown, 2.4L similar) chry-04-33-829.gif

  1. Disconnect the vacuum hose from the positive crankcase ventilation (PVC) valve.
  2. Remove the positive crankcase ventilation valve from the valve cover.
To Install:
  1. Install the positive crankcase ventilation valve in the valve cover.
  2. Connect the vacuum hose to the positive crankcase ventilation valve.
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Jan 16, 2011 | 2006 Dodge Grand Caravan

1 Answer

Would you please let me know where the PVC valve is located on a 1990 Ford LTD Crown Victoria (5.0 liter engine)?


The Positive Crankcase Ventilation valve is in the valve cover. It sticks up a bit, and has a hose running to it.

Oct 05, 2010 | 1990 Ford LTD Crown Victoria

1 Answer

how do you change the pvc valve


Not sure on your engine so heres both types. :-) Hope it helps. Cobra
Positive Crankcase Ventilation (PCV) Valve — 3.0L (2V) Removal and Installation
  1. Disconnect the positive crankcase ventilation (PCV) valve tube quick-connect from the PCV valve.
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CAUTION: A new PCV valve must be installed if removed from the cam cover. Damage will occur to the locking mechanism on the PCV valve.
Remove the PCV valve.
  • Disconnect the PCV valve electrical connector.
  • Rotate to release and remove the PCV valve.
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Positive Crankcase Ventilation (PCV) Valve — 3.0L (4V) Removal and Installation
  1. Disconnect the positive crankcase ventilation (PCV) valve tube from the PCV valve
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  • CAUTION: A new PCV valve must be installed if removed from the cam cover. Damage will occur to the locking mechanism on the PCV valve.
    Rotate to release and remove the PCV valve.

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  • Jun 13, 2010 | 2005 Ford Taurus

    2 Answers

    how to replace pvc valve


    SECTION 303-08: Engine Emission Control 2001 Escape Workshop Manual REMOVAL AND INSTALLATION Positive Crankcase Ventilation (PCV) Valve —2.0L Zetec Removal and Installation
    1. Remove the PCV valve (6A666).
      • Remove the crankcase ventilation hose (6853) from the PCV valve (6A666).
      • Remove the PCV valve from the grommet.
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    Dec 31, 2009 | 2001 Ford Escape

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