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pcv valve location on sohc

Discussion in 'Under the Hood' started by 99 Sport 4x4, February 12, 2003.

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    1. 99 Sport 4x4

      99 Sport 4x4 New Member

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      I cannot find it, I have a Haynes manual but it does not state the location. I bought a replacement but it is not doing me any good in the box.

      Any help is appreciated!!!
       
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    3. TarHeel085

      TarHeel085 And den

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      yeah man, all the other thread on this dont have anymore pics in them, some pics would help us out. i friggin cant find mine either, and ive looked where the "t thing" is and cant figure it out :confused:
       
    4. 99 Sport 4x4

      99 Sport 4x4 New Member

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      Haynes shows it on the valve cover on the regular 4.0 but not the sohc. I am getting an odd vibration when idling under 1k whether in park or drive. Do you get it at all in yours?
       
    5. Msupertek

      Msupertek Axle Annihilator!

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      Ford Certified Technician

      It is located behind the upper intake manifold on the passenger side. Its right behind that black bracket which holds the EVR solenoid. I'll take a picture and post it if you still can't find it. Let me know.
       
    6. 99 Sport 4x4

      99 Sport 4x4 New Member

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      That would be great if you would do that. I see you are a Ford Tech, can I ask you some questions regarding some recent problems I am having with my ride?
       
    7. Rx4phun

      Rx4phun Active Member

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      on 2nd generations I am pretty sure (definitely 98) SOHC ford will replace it for free at 60k and 120k. It is in your owners manual. Just make sure you tell them that. They tried to charge me but I had none of that.
      Gary
       
    8. 99 Sport 4x4

      99 Sport 4x4 New Member

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      That is what I have been reading, I am about to turn over 50K on mine and I really do not know if it is bad but I have been getting this annoying vibration when running and the rpms seem to bounce around between 500 and 1000 so I thought I would replace to see if that helped. The part was only a couple dollars.
       
    9. Rx4phun

      Rx4phun Active Member

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      Yeah it is cheap but it is has been about 10 below the past few weeks and I had time to drop the X off so it was easier for me to just have them do it.
      Gary
       
    10. 99 Sport 4x4

      99 Sport 4x4 New Member

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      True, cold here too. I just hate the dealer, they take soooo long to get things done around here and it is just too time consuming. I have a life ya know....
       
    11. TPLYNCH

      TPLYNCH Well-Known Member

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      99, is your rough idle only when the engine is cold?? Goes away after it warms up? If so, have you had the intake manifold O-rings replaced based on the 00M12 and 01M01 owner notification programs?
       
    12. 99 Sport 4x4

      99 Sport 4x4 New Member

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      No all the time, rpms jump from 500-1000 and when it nears 1k I get the vibration.
       
    13. Robert

      Robert Well-Known Member

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      [​IMG]
       
    14. mdriggan

      mdriggan Active Member

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      So it that the PCV valve, the white piece with the 2 tiny hoses coming off of it?

      Thanks for the help...
       
    15. Robert

      Robert Well-Known Member

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      Yes (actually it is light gray). Be sure and get one with the 'T' already on it. The one I bought at Checker Auto Parts didn't come with it so I spent an hour getting my old one off and put on the new PCV. The plastic 'T' is extremely hard and doesn't flex over the ridge on either PCV. Next time I'd gladly spend twice the $ to get one with the 'T' already on it.
       
    16. BajaXplorer

      BajaXplorer Active Member

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      That PCV with the "T" on it is ONLY available as a dealer item, the hoses and T slip off, but be carful they get brittle from all that heat they are exposed to and break easy(been there, done that)

      You can buy the PCV seperatley if you bring it to Ford and x ref the part #,you can get the exact one(they'll tell you its not available)

      Get a better brand like Purolater(Not FRAM) if you go to parts store.

      good luck
       
    17. thekubiaks

      thekubiaks New Member

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      I found an easier way

      For those of you that have the 4.0L SOHC, as you probably figured out, the PCV is on the top rear of the engine block intake manifold about 2" in front of the firewall almost centered on the engine. There is a "T" adapter that goes into the top of the PCV. Pulling the PCV out of the manifold hose and out of the "T" fitting is easy but getting the new PCV back into the "T" fitting can be slightly more difficult because the rubber has hardened with heat. What I did that made this easy was to follow the two hoses from the "T" fitting and disconnect them from the intake manifold. They come off easily. Once you do that, you can remove the "T" fitting and two pipes as one piece. Take the new PCV valve and press the new PCV into the "T" fitting with an adjustable wrench or even better, a vice. It doesn't take too much pressure, just slightly more than I could muster with my hands. Then return the "T" fitting with two pipes and the newly installed PCV valve and return them from where you removed them, reattach hoses. Popping the lower half of the new PCV valve back into the hose is easy. Total time, 10 minutes. :D Actually finding the PCV valve, 30 minutes :rolleyes:
       
    18. vapester

      vapester New Member

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      ..my explorer 1998 4.0 SOHC vibrates when in drive and I stop like described in this thread. I actually just replaced the two hoses that go into the back of the intake from the valve as they were collapsing. But I just changed the upper & lower intake gaskets and gave up on changing the hose that goes from the bottom of the pcv to whatever it goes to because it was under a wiring harness. So now the hoses don't collapse but it still vibrates. Could the valve be bad ??? Does this sound like my problem? I have 150,000 miles. Does the valve actually come out the hose with some persuasion? It didn't seem like it was meant or able to be removed from the hose it sits in.
       
    19. winsorcoke

      winsorcoke Member

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      I just replaced mine. I took a flat screwdriver and gave a few "persuasion" twists between the hose and valve. You just have to break the seal a little and it will come out. The trick is getting the new valve into the tee. I just grinded the new valve down until it went in.
       
    20. vapester

      vapester New Member

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      ...ok, i'll try it. But did this solve anyone's problems in this thread ???? My car runs like a charm after the tuneup I gave it, and it's not about being in drive it seems, just about when the RPMs go under 1,000 I get a vibration. And it's a bad one now. Did anyone have this problem and was it solved by changing the PCV ?????
       
    21. ThePhoenix

      ThePhoenix Guest

      someone here said that if you have the t off, you can microwave it for about 3-5 seconds and then you can get the pcv back in....soften it up

      but I guess that doesnt work if its brittle
       
    22. winsorcoke

      winsorcoke Member

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      I gave bad advice here. Don't grind the valve down. I ground mine down too much and now it won't seal. The problem is the barb on the old valve leaves an impression in the tee. When you grind down the new barb, it ends up being to small once it reaches the old impression and makes it loose. Off to get a new one. I'll press this one in like I should have.

      One other thing....I also bought a valve(Fram) for my '97 F150. It came with new plastic connectors and a tee. The tee looks like it would work for the explorer if your in a bind and need one. It's shaped a little different, but should work.
       
    23. vapester

      vapester New Member

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      I bought the Ford part, which is the 2 hoses that go to the PCV, the PCV w/ t, and the hose the pcv sits in that goes back down to the whatever it is under the lower intake. that was like $80 bucks. I really just wanted the 2 hoses because mine were old and collapsing. But my question remains, did this help anyone's low rpm idle vibration problem ????? I have no CEL and my car runs great aside from when I stop and the rpms drop to 800 or under.
       
    24. vapester

      vapester New Member

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      anyone ???? I have no CEL so I need some help with this .....
       
    25. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      The PCV assembly would be about $45 for me, I passed on that price. I installed a common parts store unit.

      FYI, I'd suggest not forcing any PCV into an old "T" like others have. I have read of at least two people breaking that "T" in the process.

      The PCV which I bought was steel, and the lip was too large. I filed it down, it took about five minutes to make it go in easily enough. The trick is to then add a small amount of Ultra Black RTV, that will seal it and it will never leak.

      If your PCV was bad, it would basically be sticking, full of residue etc, not opening or closing easily. Good luck,
       
    26. armyexplorer98

      armyexplorer98 New Member

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      yah

      I just bought a 98 and yah same problems guy said he swapped it out with a 2003 found out he is more wrong and two gay boy ####in lol yah thanks to you guys I know where my problem is located for sure thanks alot everyone I will keep on this site thanks to everyone site seems to have people that know what they are talking about
       

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