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Gas cap gasket

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Old Aug 5, 2021 | 10:28 PM
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Default Gas cap gasket

I bought a new gas cap from one of the Vette stores a few months back, don’t remember which one. The gasket has detached from the cap, nearly dropped it in the tank!
What type of glue do you think would work for repairing this? Maybe a bit of RTV black? Or is RTV attacked by gas?
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Old Aug 6, 2021 | 05:33 AM
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RTV is DEFINITELY attacked by gasoline.
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Old Aug 6, 2021 | 07:30 AM
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I might try Indian Head or weatherstrip adhesive.
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Old Aug 6, 2021 | 01:26 PM
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Permatex #2 gasket sealer. You just need a light wipe around the [paper] gasket to keep it attached to the cap.
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Old Aug 6, 2021 | 01:54 PM
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I've used this to temporarily fix leaks in a gas tank.
http://eclecticproducts.com/seal-all.html
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Old Aug 7, 2021 | 12:40 PM
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Agree, black Permatex #2 has worked well for me on gas-related gaskets.
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Old Aug 14, 2021 | 08:58 PM
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Similar challenge last month gassing up with the gasket almost lost into the tank. Permatex #2 has worked perfectly (bought a new gasket).
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