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Where is the PCV valve?

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Old Apr 27, 2018 | 09:21 AM
  #11  
Tractorsmith's Avatar
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Joined: 04-03-2018
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From: Central California
Burning oil ill

Sorry, one thread. Not much for reading all the technicals.
Yes, hard.
Yes, stop and go.
Timely oil changes? Not so much.
Quality oil? I could cry. I did my best ol girl.

Additives you say?
I've seen the shelf of snake oil at O'Smilely's. Didn't have much luck with their oil :'/
Is there a specific product you fellas can recomend?
Old Apr 27, 2018 | 09:23 AM
  #12  
Tractorsmith's Avatar
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From: Central California
Burning oil ill

A quart per 1,000....... Not sure. I will closely monitor this situation.
Old Apr 27, 2018 | 09:33 AM
  #13  
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The on snake oil that has a chance is pouring an oz or 2 of SeaFoam in each cylinder and let sit over night maybe a few times. That might clean out the oil control rings, if that is the cause.
Old Apr 27, 2018 | 09:36 AM
  #14  
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Sounds like your first impression may have been right, you may have cylinder wall/ring wear. You could perform a compression test if you want a better idea of how bad the damage is. Most auto parts stores have a 'loaner' program.

I can't say anything about products, I've never needed them. You could look into Restore, see if you think it would help. It depends how badly worn the engine is.
Old Apr 27, 2018 | 09:40 AM
  #15  
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Originally Posted by donbrew
The on snake oil that has a chance is pouring an oz or 2 of SeaFoam in each cylinder and let sit over night maybe a few times. That might clean out the oil control rings, if that is the cause.
I was thinking compression rings, allowing the crankcase to pressurize, and forcing oil vapor out through the PCV orifice.
Old Apr 28, 2018 | 08:51 AM
  #16  
Tractorsmith's Avatar
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From: Central California
Thank you
Old Jan 29, 2026 | 10:20 PM
  #17  
nicolade1976's Avatar
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From: Lehi, UT
Hi Guys. I have heard you can clean the orifice on the PCV valve (the only method I have seen is with the valve cover in place. My next big job is to replace the Timing chain which will require me to remove the valve cover. I was hoping I could clean this orifice with the valve cover removed (which I hope will make the job easier). I was just wondering if anyone has seen this orifice on the PCV valve and will it be easy for me to locate with the valve cover removed?
Old Jan 30, 2026 | 06:50 AM
  #18  
Oldblue's Avatar
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From: Welland,Ont Canada
It’s easy just turn the valve cover upside down and pour in a mixture of Dawn and hot water. 2 quarts Water 2ozs Dawn and let it soak, then rinse it out with a garden hose.
Old Jan 31, 2026 | 09:11 PM
  #19  
Bonez's Avatar
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Joined: 04-06-2020
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From: Missouri
Put a bottle of lucas high mileage oil treatment in it see if that helps. It worked for a few older vehicles Ive had in the past. it conditions as well as seals where oil may seep past.
Old Feb 1, 2026 | 07:13 AM
  #20  
Oldblue's Avatar
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From: Welland,Ont Canada
I did try Marvel Mystery Oil but it only worked for the one oil change, I still soaked the valve cover and that worked for the last 5 years.
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