How to clean the caked rust out of a Fuel Filler Tube - Dodge Challenger Forum: Challenger & SRT8 Forums
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post #1 of 9 (permalink) Old 08-20-2018, 07:15 PM Thread Starter
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How to clean the caked rust out of a Fuel Filler Tube

It is from a Challenger so it is pretty long. I used Electrolysis and it helped a little. The rust is really bad and I obviously don't want in in the tank. Any ideas? Thank you
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post #2 of 9 (permalink) Old 08-20-2018, 07:42 PM
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My guess is that even if you remove the rust, without a protective coating/plating it will just reappear. Your best bet would be to remove and replace the metal portion of the filler tube.


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post #3 of 9 (permalink) Old 08-20-2018, 10:21 PM
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I have heard of filling a rusty gas tank with vinegar and letting it soak for a day or so and it removes the rust. It's a mild acid so you have to rinse it out with a baking soda and water mix to neutralize the acid. I have not had a need to try it myself yet.

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post #4 of 9 (permalink) Old 08-21-2018, 05:54 AM
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The tank is plastic, it is the filler tube that is metal. Problem is you need to neutralize the rust some how otherwise it will just reappear.

Last edited by ChallyTatum; 08-21-2018 at 08:54 AM. Reason: It is tank not tanks
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post #5 of 9 (permalink) Old 08-21-2018, 08:25 AM
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I wonder if the metal tube is short enough to get powder coated inside and out.

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post #6 of 9 (permalink) Old 08-21-2018, 08:26 AM
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Buy a new one.
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post #7 of 9 (permalink) Old 08-21-2018, 01:45 PM
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Fuel filler tubes aren't that expensive, but you did post this in the Classic board, so what year is your Challenger.

Here is an ad for a 1970 tube.

https://www.ebay.com/itm/1970-Dodge-...8AAOSwymBbaJ6e

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post #8 of 9 (permalink) Old 08-21-2018, 03:35 PM
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post #9 of 9 (permalink) Old 08-21-2018, 03:55 PM
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That stuff is awesome...I always have 2 gallons of it on hand...that and a bottle of Ospho.

https://www.amazon.com/Ospho-605-Met.../dp/B000C02CDG
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