Question about 1999 Mercury Mystique

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Crankcase ventilation tube removal

Car is running lean I noticed that this tube is cracked in spots and thought this might be a problem. The tube detaches from the air filter case hose easy enough but the other end is attached to front valve cover and I am not sure about pulling on it. Any ideas or suggestions are greatly appriciated. Thanks so much.

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  • Master
  • 564 Answers

While pullig it twist and turn it this will make it easier to get off.

Posted on Nov 14, 2009

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Changhing valve cover gasket 03 mitz galant 3.0 v6


  1. Disconnect the negative battery cable.
  2. Remove the upper intake manifold.
  3. On the 3.0L DOHC engine, remove the ignition wire cover.
  4. Remove the ignition wires and spark plugs.
  5. Remove the crankcase ventilation tubes from both valve covers.
  6. Remove the retaining nuts and engine wiring from both valve covers and move aside.
  7. Remove the valve cover retaining bolts and studs.
  8. Remove both valve covers from the engine.
To install:
  1. Clean the valve cover gasket sealing surfaces.
  2. Install new valve cover gaskets onto the valve covers.
  3. Place the valve covers into position.
  4. Reinstall the valve cover retaining bolts and studs and tighten in sequence to:

    3.0L SOHC engine: 7 ft. lbs. (9 Nm)3.0L DOHC engine: 42-54 inch lbs. (4-5 Nm)3.5L engine: 30 inch lbs. (3 Nm)
  5. Install the engine wiring and tighten the retaining nuts.
  6. Install the crankcase ventilation tubes into both valve covers.
  7. Install the ignition wire separators, the ignition wires, and the spark plugs.
  8. On the 3.0L DOHC engine, install the ignition wire cover.
  9. Install the upper intake manifold as described in this section.
  10. Connect the negative battery cable.
  11. Run the engine and check for leaks and proper operation.

Jun 25, 2017 | Cars & Trucks

2 Answers

WOULD A VALVE COVER MAKE YOUR CHECK ENGINE LIGHT COME ON ?


Highly doubtful, on its own the valve covers have no power to control anything. They just insure your valves stay covered.

Nov 22, 2016 | Cars & Trucks

2 Answers

Locate pcv valve.pulled throtle body nothing or valve covers


Crankcase ventilation system is used to consume crankcase vapors created during the combustion process instead of venting them to the atmosphere.
Fresh air is supplied through a filter to the crankcase, the crankcase mixes the fresh air with the blow-by gases and then passed through a positive crankcase ventilation (PCV) orificed tube into the intake manifold.
The PCV orificed tube restricts the flow rate of the blow-by gases using a 3 mm (0.118 in) (a) orifice located at the end of the tube. If abnormal operating conditions arise, the system is designed to allow excessive amounts of blow-by gases to back flow through the crankcase vent tube into the throttle body in order to be consumed by normal combustion. Positive Crankcase Ventilation Hose/Pipe/Tube Replacement
Remove the two nuts (2) from the fuel injector sight shield (1).
Lift the sight shield (1) from the front and pull forward to disengage the rear tab from the bracket.
Disconnect the PCV fresh air tube from the left camshaft cover.
Remove the PCV fresh air tube from the throttle body.
Remove the drive belt. Refer to Drive Belt Replacement .
Remove the power steering pump retaining bolt.
With the hoses still attached, Carefully position aside the power steering pump.
Remove the retaining clip securing the PCV dirty air tube.
Disconnect the PCV dirty air tube from the PCV orificed tube.
Remove the PCV dirty air tube from the intake manifold.

Feb 25, 2016 | 2004 Cadillac Seville

1 Answer

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

    1 Answer

    How do you repair oil coming out of the breather tube?


    sounds like it is overfilled and/or you crankcase ventilation system is not working and pressure is pushing oil out. Clean replace PCV valve, ensute system can breath.

    Sep 02, 2014 | Cars & Trucks

    1 Answer

    Pcv 2004 lincoln ls v8 where


    For the Lincoln LS V8, there is a flexable tube on the drivers side of the engine that runs from the valve cover/crankcase to the air intake tube. There isnt a PCV valve for this engine, it is just a tube for ventilation.

    Jun 13, 2014 | 2004 Lincoln LS

    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.
    prev.gif next.gif

    Jan 16, 2011 | 2006 Dodge Grand Caravan

    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

    4 Answers

    97 volvo 850 with a milky dipstick, looks like a head gasket is in my future, any special knowledge needed, I've done many but not on this car yet, it'll be my firs, I've learned about the head bolt...


    your best bet is to buy a Haynes book on your car from Autozone for $20.00
    It will tell you if you have stretch bolts or not in your engine.

    Feb 01, 2010 | 1997 Volvo 850

    1 Answer

    Location fo pcv valve on 2001 ford ranger 4 cyclinder 2.3


    I think it is in the valve cover. see illustrations from shop manual.



    Positive Crankcase Ventilation System Overview The Positive Crankcase Ventilation (PCV) System (Figure 132)cycles crankcase gases back through the engine where they are burned. The PCV valve regulates the amount of ventilating air and blow-by gas to the intake manifold and prevents backfire from traveling into the crankcase. The PCV valve should be mounted in a vertical position. On some applications, the PCV system is connected to the evaporative emission system (refer to the VECI decal). located on the underside of the hood or on the radiator cooling fan shroud.

    crankcase ventilation tube
    d176823.gif
    1. Remove the positive crankcase vent (PCV) hose from the clips.
    cc83fb4.gif

    Apr 17, 2009 | 2001 Ford Ranger Regular Cab

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