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Diagram pcv valve on 2006 mercury mariner

Where is PCV valve

Posted by Anonymous on

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 24 Answers

SOURCE: PCV Valve location diagram.....

  I will assume you you have the Duratec engine (24 valve). It is located under the intake manifold on the transmission side of the engine. Real tough to get out without some real long pliers with a ring type end on it. It needs to be twisted counterclockwise to release it. replace the hose to it while you are there also , they degrade and will cause a vacuum leak.

Posted on Oct 19, 2008

  • 92 Answers

SOURCE: 1998 Ford Explorer sport 4.0L 4x2 PCV Valve Location

the pcv is located on the rear(firewall) of the drivers side valve cover.turn counterclockwise and pull to remove be careful there are 2 small tabs inside the pcv hole in the valve cover(can feel with small finger) this is to hold valve in place so it wont leak.if you have a oil leak at the pcv a quick fix is to put a small amount of silicone around the pcv o-ring and install.wait hours for silicone to set up.

Posted on Oct 21, 2008

  • 512 Answers

SOURCE: PCV Valve on 05 Dodge Grand Caravan

3.3 and 3.8 engine pcv valves are it the rear head valve cover. they are a pain to remove

Posted on Nov 13, 2008

blueextc3221
  • 15935 Answers

SOURCE: 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.

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Posted on Feb 21, 2009

  • 1 Answer

SOURCE: where is pcv valve on 96 nissan pickup

The PCV valve on the KA24E 4-cylinder is located in front of the oil filter and above the alternator. It points to the rear of the engine.

You will need only two tools; a stubby 19mm open end wrench and a pair of pliers to remove the hose clamp. I did it without removing anything else. Just reach around to the right of the oil filter. It took about 15 minutes. Here is a pic:
http://www.angelfire.com/extreme/hawaiianhardbody/images/engine/PCVvalve.jpg

Posted on Sep 03, 2009

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9493.jpg
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Location of pcv valve on 1998 mercury mountaneer


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2003 Ford Ranger 2.3 Diagram


 rough-idling engine can signal a number of positive crankcase ventilation (PCV) valve problems, such as a clogged valve or a plugged hose. But before beginning the functional checks, double check the PCV valve part number to make certain the correct valve is installed. If the correct valve is being used, continue by disconnecting the PCV valve from the valve cover, intake manifold, or hose. Start the engine and let it run at idle. If the PCV valve is not clogged, a hissing is heard as air passes through the valve. Place a finger over the end of the valve to check for vacuum.

0900823d8005156c.gif

With the engine at idle, vacuum should be felt at the PCV valve. 

0900823d8004d001.gif

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The PCV Monitor consists of a modified PCV system design. The PCV valve is installed into the rocker cover using a quater-turn cam-lock design to prevent accidental disconnection. High retention force molded plastic lines are used from the PCV valve to the intake manifold. The diameter of the lines and the intake manifold entry fitting are increased so that inadvertent disconnection of the lines after a vehicle is serviced will cause either an immediate engine stall or will not allow the engine to be restarted.

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1 Answer

1997 Mercury Mountaineer


if the engine is a 4.6L the pcv will be on top and in middle of pass side valve cover.pull to remove.
if the engine is a 4.0L the pcv is located at the rear(firewall) of drivers side valve cover.this pcv has lock tabs holding it in,turn then pull to remove,the lock tabs are part of the valve cover so take care when removing not to harm tabs.

Nov 14, 2008 | 1997 Mercury Mountaineer

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