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  • Lakewood90712
    replied
    Re: O Rings

    If it leaks after the fuel nozzle is disconnected, the exterior o-ring is not the problem. Leaking after the nozzle is disconnected can be wet fuel freezing, dirt ,or the check valve in the recepticle itself .

    The exterior o-ring will come out with a very small screwdriver or ice pick. It is held by a small ridge in the fuel recepticle.

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  • OLY-CNG
    replied
    Re: O Rings

    Originally posted by Lancer Automotive Group View Post
    We carry OEM O’Rings at our shop; you can stop my any time.
    Do these o-rings just pop into place inside the nozzle? I hear my nozzle leaking a little after filling up now. Luckily my Chevy is a bi-fuel.
    Thanks!
    OLY-CNG

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  • Lancer Automotive Group
    replied
    Re: O Rings

    We carry OEM O’Rings at our shop; you can stop my any time.

    Leave a comment:


  • siai47
    replied
    Re: O Rings

    Common auto parts store "O" rings will work just fine in this application. For longest life try to find ones made of either Buna-N (nitrile) or neoprene. These materials are compatabile with NG. After removing the old "O" ring, make sure the groove in the fill recepticle is clean, apply a little Vasoline or silicone grease to the new "O" ring and slip it in place. When your car was new, three replacement "O" rings were provided in the glove box with the owners manual. For once, GM was thinking ahead .

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  • freedml
    replied
    Re: O Rings

    Even better, make it a habit to check for the presence of the o-ring after you disconnect the fill hose. Our family has had 3 CNG vehicles for 6 years and we've never lost or blown out an o-ring. On the Cav it's even less of a problem since you can run on gasoline until you get an o-ring.

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  • cnghal
    replied
    Re: O Rings

    I have always kept a few in the glovebox. Once you blow one out and can't fuel, you learn quickly.
    I just remove the stock o-ring and take it to Ace Hardware for a match.

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  • graydon
    started a topic O Rings

    O Rings

    In the documentation for the Cavalier, it says you should keep extra O'Rings for the nozzle connection. Where can you purchase these and exactly what do you ask for?
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