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  • 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?

  • #2
    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.
    Your Friendly Nazi Squirrel Administrator

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    • #3
      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.
      02 GX
      01 GX
      03 Crown Vic
      06 GX
      Home Fueler

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      • #4
        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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        • #5
          Re: O Rings

          We carry OEM O’Rings at our shop; you can stop my any time.
          Lancer Automotive Group
          3687 South 300 West
          Salt Lake City UT 84115

          801-268-8863

          http://lancerautogroup.com

          Visit our Facebook pages
          https://www.facebook.com/pages/Lance...68469439838785

          https://www.facebook.com/alternativefuelcenter?ref=hl

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          • #6
            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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            • #7
              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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