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How to remove CNG Tank from 98 Ford Contour?

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  • How to remove CNG Tank from 98 Ford Contour?

    I am able to take the brackets off of the tank. The only problem is there is 2 tubes that are connected to the tank that I can't remove. Can I just cut through the tubes? or will that cause damage to my tank. I am not concerned with not being able to use it the CNG system anymore, but I want to be able to remove the tank to sell it. Please, if anyone have any experience removing the tanks from a 98 Ford Contour, please help me with your advice. Thank you.

  • #2
    Re: How to remove CNG Tank from 98 Ford Contour?

    BOOM!
    BLUE 09 GX

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    • #3
      Re: How to remove CNG Tank from 98 Ford Contour?

      I have removed tanks from other Fords, all of them used ASE fittings post very detailed picts of the connections of the tubes at the tank. DO NOT REMOVE ANY FITTINGS TELL YOU KNOW FOR SURE TAT THE SYSTEM IS BLED DOWN!!!!!!!!!
      cngmike
      Guru & Moderator
      Last edited by cngmike; 06-01-2008, 12:56 AM. Reason: SPELLING

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      • #4
        Re: How to remove CNG Tank from 98 Ford Contour?

        Originally posted by cedricd1 View Post
        I am able to take the brackets off of the tank. The only problem is there is 2 tubes that are connected to the tank that I can't remove. Can I just cut through the tubes? or will that cause damage to my tank. I am not concerned with not being able to use it the CNG system anymore, but I want to be able to remove the tank to sell it. Please, if anyone have any experience removing the tanks from a 98 Ford Contour, please help me with your advic
        e. Thank you.
        Here is how to remove the tanks.
        1- disconnect the plastic wire connector in the end of each tank. There will be 2 wires going into the tank through this connector. Remove the 2 screws that hold the connector in place. Remove the wire connector Take care not to damage the plastic connector. This must be sold with the tanks.

        2- With the wires disconnected, the solenoid valves to the tanks will be shut off. Start the car and run it on cng until it dies. This will remove all the pressure from the lines. If the car will not run on cng just crack the SAE #6 o-ring boss fitting that ties into the cng filter under the car. This fitting will have a stainless steel line running through the center of the cap. Let any pressure out. Takes about 1 minute for the pressure to escape.

        3- cut the line off if you cannot get the fitting out of the side of the valve.

        4- There is a set screw in the end of the valve designed to relieve the pressure. DO NOT screw the set screw into the valve to release the pressure from the tank, this will destroy the valve and they are $500 a pop for new ones. It will work to relieve the pressure but it is an expensive way to do it.

        5- Do not drag the tanks. Handle the tanks with great care. If you create any scratch over .030 inch deep the tanks must be repaired. Over .050 inches deep and the tanks must be scrapped.

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