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PCV valve replacement in 351 EFI ... what I learned

  #16  
Old 10-07-2014, 12:49 AM
bkrymsin
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Originally Posted by Sdshipe View Post
I would definitely be doing that but I can't get the assembly off and I don't even know how it's attached on there. I was hoping someone could identify it so id know how to get it off. It slides up and down and can turn but it feels like it doesn't have enough clearance to come out.
Did you ever get this out? I'm in the same boat with my '96 Bronco 5.8L. I was contemplating pulling off the intake.

I'm getting the same p0171 and p0174 codes. Was thinking air was leaking in through this grommet. It feels lose.

BTW: Kudos for getting that pic!! Tough angle.
 
  #17  
Old 03-09-2015, 01:46 PM
GocartMozart
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same issue

Bump! Did you ever change the pcv valve? I also have that extremely annoying plastic grommet that prevents me from pulling the pcv valve. I also tried to remove just the pcv valve by loosening the hose clamp. NO-Way, it is melted onto the pcv valve (guess it has never been changed). I thought this was going to be an EZ fix. Yeah right.
 
  #18  
Old 03-11-2015, 09:56 AM
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You might have to pull the upper intake off, especially if your grommet breaks and little pieces drop into the valve cover. It's not that big of a deal and it gives you a chance to re-torque, or replace the valve cover gasket on that side with ease.
 
  #19  
Old 07-14-2015, 11:02 AM
stew991
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I too have run into the same problem with the valve cover "cap" on my pcv system. After replacing my pcv I can't seem to get the cap to seat on the valve cover. Has anyone come up with a solution for this issue? Or is it even an issue? BTW I have a 1997 F250 HD with a 5.8.

Thanks
 
  #20  
Old 07-14-2015, 07:17 PM
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If you're talking about the grommet, you might need to oil it up for lubrication or even heat it so it's softer and work it in by pressing, rotating, etc.
 
  #21  
Old 10-06-2018, 12:01 AM
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So, is removing the intake the proper way to replace that grommet? I've been trying to wiggle it around to avoid having to pull the upper intake, but just wanted to double check that it was necessary before doing so..
 
  #22  
Old 10-09-2018, 03:53 PM
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it would help to remove the upper.
 
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