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Thread: PCV valve location? 86 Accord

  1. #1
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    PCV valve location? 86 Accord

    1986 Accord LX with carbs and manual transmission. I am wanting to replace the PCV valve as preventative maintenance, but I can't find it. Looking at the rudimentary drawing in the shop manual, it appears to be located between the engine and the firewall. I have purchased the replacement PCV valve, so I know what it looks like. But I still can't find it. Any suggestions?

    Thank you in advance for any and all help.
    Last edited by Gunter; 01-15-2023 at 11:30 AM.



  2. #2
    LX User RI86DX's Avatar
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    Re: PCV valve location? 86 Accord

    A20A1 should only have one carb...you sure it's not a different motor?

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    Re: PCV valve location? 86 Accord

    Yes a single stock carb. My bad for not being more precise.

    Everything is factory stock. We are the original owners of the car and there has been no modifications to anything.

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    Re: PCV valve location? 86 Accord

    This is a photo of the replacement PCV valve. It measures 1 and 3/4 of an inch. I can't find anything like it under the hood. Hopefully they sold me the correct one.

    Click image for larger version. 

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  5. #5


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    Re: PCV valve location? 86 Accord

    Quote Originally Posted by Gunter View Post
    This is a photo of the replacement PCV valve. It measures 1 and 3/4 of an inch. I can't find anything like it under the hood. Hopefully they sold me the correct one.

    Click image for larger version. 

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    The hose goes to the valve cover try following it back to the intake manifold. The PVC is in the intake manifold someplace.
    1988 Lxi owner since August 1995
    336k miles running strong!
    Now running E85.

    Oldblueaccord <<< MY YOUTUBE PAGE!

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    Re: PCV valve location? 86 Accord

    Quote Originally Posted by Oldblueaccord View Post
    The hose goes to the valve cover try following it back to the intake manifold. The PVC is in the intake manifold someplace.
    That's where I have been looking, but I can't find it. I will try removing the air filter assembly to get a better view.

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    Re: PCV valve location? 86 Accord

    Quote Originally Posted by Gunter View Post
    That's where I have been looking, but I can't find it. I will try removing the air filter assembly to get a better view.
    I think the underhood sticker should show it.

    Sorry I dont have a carbed car and havent worked on one in a long time.
    1988 Lxi owner since August 1995
    336k miles running strong!
    Now running E85.

    Oldblueaccord <<< MY YOUTUBE PAGE!

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    Re: PCV valve location? 86 Accord

    Unfortunately the under hood emissions sticker isn't of any help. No diagram and no mention of a PCV. This is a Canadian edition so the top half is in French and the bottom half is in English.

    Click image for larger version. 

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    Next weekend I will try pulling off the air filter assembly to get a better look.

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    Re: PCV valve location? 86 Accord

    Unfortunately the under hood emissions sticker isn't of any help. No diagram and no mention of a PCV. This is a Canadian edition so the top half is in French and the bottom half is in English.

    Click image for larger version. 

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ID:	11174

    Next weekend I will try pulling off the air filter assembly to get a better look.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by Gunter; 01-15-2023 at 06:36 PM.

  10. #10

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    Re: PCV valve location? 86 Accord

    It's basically dead center of the intake manifold. 1 big hose coming off it, I believe it's a U shaped hose.

    I would actually be careful replacing it, those hoses will crack and you can't replace it with normal hose due to the silly shape. I'd return the valve even, not a lot to go wrong in a metal valve with a ball and a spring in it... If it was ever stuck carb cleaner and a small amount of blunt force will fix it

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    Re: PCV valve location? 86 Accord

    Quote Originally Posted by ShiRen View Post
    It's basically dead center of the intake manifold. 1 big hose coming off it, I believe it's a U shaped hose.

    I would actually be careful replacing it, those hoses will crack and you can't replace it with normal hose due to the silly shape. I'd return the valve even, not a lot to go wrong in a metal valve with a ball and a spring in it... If it was ever stuck carb cleaner and a small amount of blunt force will fix it
    That sounds like good advice. I think I will leave it alone until it starts to cause some problems.

    Getting parts for this car is becoming challenging and I don't want to break anything during the disassembly process.

    I also found this post which basically says the same thing i.e. parts are brittle

    https://www.3geez.com/forum/showthre...valve-location

    "it is right in front of the carb, there is a hole made in the manifold there and you will see a U shaped short fat hose. the pvc is directly under that hose. There is a hard plastic tube that snaps in that hold made in the manifold from underneath. Careful because all that is brittle."

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    Re: PCV valve location? 86 Accord

    Thanks for all the help. It is greatly appreciated.

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    Re: PCV valve location? 86 Accord

    Quote Originally Posted by Gunter View Post
    Yes a single stock carb. My bad for not being more precise.

    Everything is factory stock. We are the original owners of the car and there has been no modifications to anything.
    Ah, gotcha. Sorry for sounding pedantic.
    As far as parts availability, Rockauto & Ebay. Apparently RA doesn't ship to Canada so that sucks.

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