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My Pacifica is 4litre and the pcv has a threaded connection, where is it on the engine

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What is piece called that pcv valve connects to on motor


The Positive Crankcase Ventilation valve is part of moves made in the early 1980's (in Europe, earlier in the States) to limit crankcase emissions to atmosphere by arranging for them to be channeled into the engine intake so environmentally damaging oil mists and vapours are burned in the engine.

The pcv valve is a common method, but not the only method of achieving the aims. One end of the valve is usually connected to the engine, usually at the top on the safe side of the internal flame trap (cam cover, rocker cover) and the other side of the valve is usually connected to the intake manifold via a suitable hose.
The valve might be threaded and screwed in, a press fit into a plain hole or retained with a rubber grommet.

Oct 17, 2016 | Cars & Trucks

1 Answer

Where is the pcv valve located on my 07 pacifica


Look for a large hose from the throttle body/intake manifold to the valve cover - near the back. It should be a friction fit into a gromet.

Jan 21, 2015 | 2007 Chrysler Pacifica Touring

1 Answer

Why is it blowing off oil cap


Too much crankcase pressure for some reason? I've seen a melted piston cause so much crankcase pressure, it blew the pcv valve out of the valve cover and sprayed oil all over the engine compartment.

Is your oil cap threaded? If it is threaded, I don't think I've seen one of them blow off? Also, check crankcase ventilation system, pcv where applicable. Do you have a lot of blow-by from crankcase? I don't know your year--make--model or engine size?

Nov 22, 2014 | Cars & Trucks

1 Answer

Where would the pvc value be on a 300 chrysler 2006? also where would the spark plugs be located?


Positive Crankcase Ventilation (PVC) Valve Removal & Installation 5.7L Engine To Remove:
    1.The PCV valve is mounted into the top/right side of the intake manifold.

    2.The PCV valve is sealed to the intake manifold with two O-rings.

    3.Free the PCV valve by rotating counter-clockwise 90 degrees until the locating tabs align with the openings on the manifold.

    4.Remove the PCV valve by pulling straight up from intake manifold and clearing the tabs.

    5.Check the condition of two valve O-rings.
To Install:
  1. Clean the PCV valve opening on the intake manifold.
  2. Inspect the PCV valve O-rings. Replace if suspect.
  3. Apply engine oil to the two O-rings.
  4. Place the PCV valve into intake manifold.
  5. Rotate the valve 90 degrees clockwise for installation.
6.1L Engine To Remove:
  1. The PCV valve is threaded into the right-front corner of the intake manifold.
  2. Remove the rubber hose from the PCV valve.
  3. Unscrew the PCV valve from the intake manifold.
To Install:
  1. Clean the PCV valve opening on the intake manifold.
  2. Check the condition of the PCV valve O-ring. Replace if suspect.
  3. Check the condition of the PCV valve threads and clean if necessary.
  4. Apply engine oil to the O-ring.
  5. Install the PCV valve into intake manifold.
  6. Install the rubber hose to the PCV valve.
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The spark plugs should lead to the coil pack via a spark plug wire but may be hidden by a plastic cover.

The following details the ignition coil changing on the Chrysler 300:

2.7L Engine To Remove:
  1. Disconnect the negative battery cable.
  2. Remove the intake manifold.
  3. Use compressed air to clear the area around the ignition coil and spark plug.
  4. Disconnect the electrical connector from the ignition coil.
  5. Remove the two fasteners securing the ignition coil.
  6. Remove the ignition coil.
To Install:
  1. Install the ignition coil.
  2. Tighten the fasteners to 55 in-lb (6.2 Nm).
  3. Connect the electrical connector to the ignition coil.
  4. Install the intake manifold.
  5. Connect the negative battery cable.
3.5L Engine To Remove:
  1. Disconnect the negative battery cable.
  2. Remove the intake manifold.
  3. Use compressed air to clear the area around the ignition coil and spark plug.
  4. Disconnect the electrical connector from the ignition coil. NOTE: Loosen the ignition coil fasteners by alternating back and forth. Do not lose the spacers under the coil when loosening the fasteners.
  5. Remove the two fasteners securing the ignition coil.
  6. Remove the ignition coil.
To Install:
NOTE: Tighten the ignition coil fasteners by alternating back and forth. Do not lose the spacers under the coil when installing the coil.
  1. Install the ignition coil.
  2. Tighten the fasteners to 60 in-lb (6.7 Nm).
  3. Connect the electrical connector to the ignition coil.
  4. Install the intake manifold.
  5. Connect the negative battery cable.
5.7L Engine (2005) To Remove:
NOTE: Carefully note the position of each spark plug cable before disconnecting them so they can be installed in their original positions to prevent misfire.
NOTE: The throttle body intake air duct or intake air box may need to be removed to gain access to certain ignition coils.
  1. Disconnect the electrical connector from the ignition coil.
  2. Remove the secondary ignition cable from the coil.
  3. Use compressed air to clear the area around the ignition coil.
  4. Remove the two fasteners securing the ignition coil. Bolts are retained to coil.
  5. Remove the ignition coil. Pull with a slight twisting motion to help release the boot seal with the spark plugs.
To Install:
NOTE: Apply a light film of dielectric grease to the inside of the coil boots before installation.
  1. Clean area around spark plug and coil mounting area with compressed air.
  2. Install the ignition coil.
  3. Tighten the fasteners to 105 in-lb (12 Nm).
  4. Connect the electrical connector to the ignition coil.
  5. Connect the secondary ignition cable to the coil.
  6. Install the air duct or air box if removed.
Ignition coil mounting bolts (5.7L & 6.1L engines) chry-02-57-263.gif

5.7L (2006) & 6.1L Engine To Remove:
NOTE: Each ignition coil, mounted on the valve cover, fires two spark plugs at each cylinder.
  1. Disconnect the negative battery cable.
  2. Use compressed air to clear the area around the ignition coil and spark plug.
  3. Disconnect the electrical connector from the ignition coil.
  4. Remove the two fasteners securing the ignition coil.
  5. Remove the ignition coil. Pull with a slight twisting motion to help release the boot seal with the spark plugs.
To Install:
NOTE: Apply a light film of dielectric grease to the inside of the coil boots before installation.
  1. Install the ignition coil.
  2. Tighten the fasteners to 105 in-lb (12 Nm).
  3. Connect the electrical connector to the ignition coil.
  4. Connect the negative battery cable.
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Sep 24, 2010 | 2005 Chrysler 300

1 Answer

Where is the pcv valve located on a 2004 intrepid?


hi On the 2.7Ltr engines the PCV valve is threaded into the intake plenum above the throttle body.but On the 3.2/3.5ltr engines it is on the rear drivers side of the plenum.Both engines have hoses attached going to the drivers side valve cover hope this helps

Sep 02, 2010 | 2004 Dodge Intrepid

1 Answer

Positive ventilation crank case valve location


I have one of these cars too, also 3.5. I purchased with 34K and has used a quart of oil every 1000 miles since then. It has no leaks or smoke or any other signs of oil consumption. So much research, nobody knows why these engines do this, some have gone as far as contacting Chrysler just for them to say, " that's normal". But here is the diagram for the PCV:

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Nov 11, 2009 | 2006 Chrysler Pacifica

1 Answer

On a 1991 nissan pickup 4 cyl. where is the pcv valve located....


The PCV valve connects the crankcase to the intake manifold from a location more-or-less opposite the breather connection. Translation - The PCV valve on your engine is threaded into the intake manifold.

Sorry I can't find a picture to show you.

Sep 16, 2009 | 1991 Nissan Pickup

3 Answers

PCV valve for 2004 Hona CRV


PCV Valve Operation: 0900823d80049deb.jpgA vacuum-controlled metering device that regulates the flow of crankcase fumes in the positive crankcase ventilation system by allowing more flow at high speed than at low speed, and acts as a system shutoff in case of engine backfire to prevent an explosion in the crankcase.
Depending on your engine size, the PCV is a different style and slightly different location.

Usually they are mounted in a hole on your valve cover.... connected by a vacuum tube.
Some are mounted with threads into the engine block (usually by the oil filter)

On the '04 Crv - it is nearly inaccessible behind the AC compressor and beneath what looks like an old vacuum advance. Most PCV valves today do not need to be replaced, unless there is actual valve failure, which I have not seen happen. I would not be concerned about replacing it.

Thanks for using FixYa - a FixYa rating is appreciated!!

Feb 21, 2009 | 2004 Honda CR-V

2 Answers

Pathfinder 2003 pcv


The PCV valve is located in the valve cover on the passenger side of the vehicle. The valve is closer to the firewall than it is to the front of the engine. It has a hose attached to it and threads into the valve cover.

Nissan Scope Technician- 10+ years experience is Nissan dealership

Nov 02, 2008 | 2003 Nissan Pathfinder

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