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How pcv valve work for ? - 1993 Honda Civic 4 Door

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The pcv(positive crankcase ventilation) valve ventilates explosive gasses from the crankcase so the engine does not blow up, literally, like a bomb.

Posted on Apr 11, 2011

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What is a pcv valve


  • How the PCV system works - Agco Automotive www.agcoauto.com/content/news/p2_articleid/197 What are the Symptoms of a Bad PCV Valve. ... Symptoms of a bad PCV valve. We see varied symptoms from a bad PCV valve, depending on the way it fails.
  • Crankcase ventilation system - Wikipedia, the free ... https://en.wikipedia.org/wiki/PCV_valve The PCV valve is only one part of the PCV system, which is essentially a variable and calibrated air leak, whereby the engine returns its crankcase combustion gases ...
  • How does a positive crankcase ventilation (PCV) system ... auto.howstuffworks.com/positive-crankcase-ventilation-system.htm How does a positive crankcase ventilation (PCV) ... Positive crankcase ventilation involves recycling these ... the PCV valve is designed to close off when this ...
  • What does the PCV valve do? - Autorized.com www.autorized.com/auto-maintenance/what-does-the-pcv-valve-do.shtml What does the PCV valve do? By Jakob Jelling Autorized.com. The PCV valve is a control device which sends partially burned gases that come from the engine's ...
  • Jan 17, 2016 | Cars & Trucks

    2 Answers

    When I have to replace PCV valve


    The PCV valve is only needed to be replaced when it no longer works properly. Look for the PCV valve and disconnect it from the engine and from the vacuum supply.. The valve should be clean and rattle when shook.
    Symptoms of a failed PCV can be poor idle quality, oily residue in the air inlet of the intake manifold or possibly fail emissions test.

    Apr 28, 2014 | 2006 Ford Five Hundred

    1 Answer

    Location of pcv valve on 2008 ford taurus 3.5


    On 3.5L engines, the PCV Valve is located on the rear valve cover (see pictures bellow). Please note: the PCV valve must be replaced if it's removed. Access to the valve is easier if you remove the upper intake manifold. However, this is not absolutely necessary and if you are already a little mechanically inclined you can do it the way you would replaced any other PCV valve.

      -A 19mm open wrench will make your life a lot easier if the PCV valve is a bit tight. It is in an awkward spot to apply pressure.

      -Disconnect the electrical connector from the valve. There is a small pin or locking device on the wire that you will have to slightly depress for the connector to release.

      -Disconnect the hose from the valve and turn the hose clockwise so that you have a bit of room to work with.

      -Turn the PCV valve counterclockwise and remove from the valve cover. Pay close attention to the position of the valve at the point when it is to be removed. The new PCV valve will go in at that same position. Why is this important? It is possible to install the PCV valve facing in the opposite direction. Once the PCV valve in and locked it in place, it damages the locking mechanism. Therefore, if you remove it you will have to throw it away and purchase a new one.

      -You just saved $130 - $150 to have the PCV replaced at the dealership...

    location-pcv-valve-2008-ford-taurus-3-5-cgnwdhiy0mxwbb3xg5zhzgxj-5-0.jpg

    Apr 07, 2013 | 2008 Ford Taurus SEL

    1 Answer

    Why would my 1994 jeep wrangler have oil in my air filter and in the air filter box


    pcv not working.check see if pcv valve getting vacuum at the intake if not look for broke or disconnected vacuum hose to pcv.if pcv valve working with engine running should feel vacuum suction at pcv if not pcv faulty.if pcv okay other possible causes for oil in the air filter.worn oil rings or too much oil in crankcase.

    Dec 13, 2012 | 1994 Jeep Wrangler

    2 Answers

    WILL THE PCV VALVE CAUSE A CAR NOT TO START? IF ITS GOES WITH OUT GETTING IT FIX WHAT PROMBLEMS WILL IT CAUSE?


    The blowby vapors that end up in an engine's crankcase contain moisture as well as combustion byproducts and unburned fuel vapors. The crankcase is sealed to prevent the escape of these gases into the atmosphere, but the vapors must be removed to prevent oil contamination that leads to sludge formation. The positive crankcase ventilation (PCV) system siphons these vapors from the crankcase and routes them into the intake manifold so they can be reburned in the engine.

    The main component in the PCV system is the PCV valve, which is usually located in the valve cover. A hose connects the PCV valve to the intake manifold. A second hose between the air cleaner and crankcase or other valve cover (V6 or V8 applications) provides fresh air to help flush the vapors out of the crankcase. Some engines have a separate air filter for the PCV breather hose located inside the air cleaner.
    Probably not read above for details.

    Feb 08, 2011 | 2002 Ford Taurus

    1 Answer

    Changing pcv valve in 97 chevy lumina


    PCV VALVE LOCATED IN THE FRONT VALVE COVER.JUST PULL PCV VALVE OUT VALVE COVER. THEN YOU PULL PCV OUT OF THE END OF HOSE THEN INSTALL THE NEW ONE. FOR THE 3.8 ENGINE REMOVE THE TOP FUEL INJECTOR COVER.DISCONNECT THE ELECTRICAL CONNECTOR FROM MAP SENSOR AND UNCLIP THE MAP SENSOR FROM THE PCV VALVE ACCESS COVER AND ROTATE IT COUNTERCLOCKWISE TO REMOVE IT.TO REPLACE THE VALVE PULL THE PCV AND O RING ASSEMBLY FROM THE INTAKE MANIFOLD NOTING ITS INSTALLED POSITION AND DIRECTION. MAKE SURE WHEN YOU BUY NEW PCV VALVE TAKE OLD PCV VALVE WITH YOU SO YOU WILL GET THE RIGHT ONE.THAT WILL SAVE YOU TIME AND FUEL.

    Dec 26, 2010 | 1997 Chevrolet Lumina

    2 Answers

    Take out oil dipstick motor is sucking in air


    well your pcv valve is working properly

    Oct 29, 2010 | 2004 BMW 5 Series

    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.
    e8e1fc3.jpg
    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.
    cb7856a.jpg


    Positive Crankcase Ventilation (PCV) Valve — 3.0L (4V) Removal and Installation
    1. Disconnect the positive crankcase ventilation (PCV) valve tube from the PCV valve
    0f6f63a.jpg

  • 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.

  • 26db756.jpg

  • Jun 13, 2010 | 2005 Ford Taurus

    5 Answers

    How do I remove the pcv valve from a 3.8 liter engine in a 2005 dodge grand caravan? I cannot pull it out.


    1. BUY THE NEW PCV VALVE FROM THE DEALER. part #4648973AC (I paid $9.95 in the Detroit area). 2. PCV valve is located on top of 'rear' valve cover. There is a black rubber pipe connecting the PCV to the upper intake manifold. The rubber pipe is like an inverted 'U' shape. 3. To remove the rubber pipe, you will need to squeeze the band clamps. Remove the upper end first. You will then be able to rotate the lower end clockwise, if necessary, to get enough clearance to use pliers to squeeze the band clamp. Remove the pipe. 4. You should be able to see the small chrome pipe on the end of the PCV valve. However, the PCV valve is completely surrounded by a plastic collar/shroud, part of the plastic valve cover. So, the only part of the PCV that is accessible is the small chrome pipe. 5. THIS IS WHY YOU NEED TO BY THE NEW PART FIRST. I needed to clamp onto the end of the PCV pipe with VISE-GRIPS. This will crush the end of the pipe. You will hold the vise grips in a horizontal fashion, towards your right, in your right hand. 6. Rocking the pipe, while carefully levering the vise grips on top of the plastic collar, you will walk the PCV valve up, and out. BE PATIENT. You do not want to crack the valve cover! 7. The rubber grommet should come out with the PCV metal valve. If not, you will need to pull it out (needle nose pliers?). 8. Install the new PCV valve. I used a film of white lithium spray to help the insertion. Note, there is a groove molded into the rubber grommet that must snap into place. I used a 5/8" deepwell socket as a 'pusher', to ease the PCV valve into place (just push, do not hammer). You should be able to feel it positively snap into place inside the plastic collar, otherwise it is not properly installed and will not seal. If properly installed, you will not be able to pull it out by hand. 9. Install the PCV rubber pipe. Slide the clamps towards the middle of the pipe, fit the pipe over PCVvalve. Be sure it is seated all the way to the bottom of the plastic collar. Squeeze the clamp and work down to the bottom of the pipe, then release. Repeat for the upper end of the pipe and spring clamp. 10. Have a cold one. You earned it.

    Jun 27, 2009 | 2005 Dodge Grand Caravan

    3 Answers

    Where can I find the pcv valve location


    please rate as fixed if this helps.

    4 cylinder

    SECTION 303-08: Engine Emission Control 2003 Escape Workshop Manual
    REMOVAL AND INSTALLATION Positive Crankcase Ventilation (PCV) Valve —2.0L Zetec Removal and Installation
    1. Remove the PCV valve.
      • Remove the crankcase ventilation hose from the PCV valve.
      • Remove the PCV valve from the grommet by turning the valve counter-clockwise
    f21fec7.gif
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    Apr 12, 2009 | 2005 Ford Escape

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