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Fuel line connetion to the gas tank (PV544) 444-544

posted by  Bob3100 on  Wed Nov 28 14:08 CST 2018
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Hello All..
I am trying to disconnect the gas line from the fuel tank. So far not doing so well in that regard. Is the connector right hand or left hand threads? Would there be thread sealer involved? It is the original factory connection - never been removed.

Thanks for any advice.
Bob








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    Fuel line connetion to the gas tank (PV544) 444-544

    posted by  planetman on  Wed Nov 28 16:09 CST 2018
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    last visit: Fri Oct 24 09:29 CST 2014
    [RELATED]

    Hello,

    Volvo undercoated the heck out of the cars and you may have to remove some undercoating from the fuel line to make it easier.

    You can scrap the majority of the undercoating off. I then spray some carb cleaner on a rag to make the remaining undercoating and residue damp with carb clean. Apply multiple times trying to keep undercoating damp and when softened, it will wipe off.

    I suggest then spraying some penetrating oil on the fitting and threads. Make sure to get some on the area behind the fitting on the fuel line because sometimes rust can get between the fitting and metal fuel line.



    You will need a 15mm wrench for the fitting(tube nut) on the brake line and a 9/16" wrench for the fitting in the gas tank and the threads are right hand, so lefty lucy.

    If the tube nut doesn't move easily, make sure the tube nut isn't stuck/rusted to the metal fuel line.

    FYI, if you are going to remove the fuel tank, you must remove the fuel line fitting in the tank.

    --
    Eric
    Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
    Torrance, CA 90502








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      Fuel line connetion to the gas tank (PV544) 444-544

      posted by  Bob3100 on  Wed Nov 28 17:17 CST 2018
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      Perfect Eric.. Thank you as always for your knowledge and expertise. The tube nut came loose.

      As you may recall, this car was in the hot/humid climate of Hawaii for many years, so, I'm thinking that I may have rust in the tank. The car has abruptly stopped running a couple times, and there was a fine powder in the carb float bowls which I removed with a magnet. Also the filter had plenty of that stuff. I changed the filter and it still stopped but has always restarted after a few attempts.

      I have drained the tank, and at first glance through the sender hole, it doesen't appear rusty, but that is just looking at the bottom of the tank.

      I have planned to do the POR 15 routine to clean and coat it.

      Do you have any more thoughts on all this?

      Thanks
      Bob







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        Fuel line connetion to the gas tank (PV544) 444-544

        posted by  Bob3100 on  Wed Nov 28 22:12 CST 2018
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        I have looked, the best I can, through the sender hole and I don't see any rust...
        I'm wondering where the powder in the carb float bowl, that I assumed was rust, came from. I'll try to look inside more later.

        Bob








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          Fuel line connetion to the gas tank (PV544) 444-544

          posted by  planetman on  Thu Nov 29 10:07 CST 2018
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          last visit: Fri Oct 24 09:29 CST 2014
          [RELATED]

          I use a mirror and a flash light with a flexible tip to look inside at the ceiling of the gas tank which is a common area to start to rust.

          For my customers, I recommend ReNu gas tank repair or installing a new reproduction gas tank.

          Even though I've read of DIYers success with POR-15, I won't use it because I can't guarantee it.

          The ReNu process has a lifetime warranty.

          --
          Eric
          Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
          Torrance, CA 90502
          hiperformanceautoservice.com or oldvolvosonly.com








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            Fuel line connetion to the gas tank (PV544) 444-544

            posted by  Bob3100 on  Wed Dec 5 20:34 CST 2018
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            Thanks for the recommendation, Eric.

            After removing the tank, I found a couple quarter size pieces of that looked to be lead, some small rust particles and some sand. I got most all that out. When I blew out the fuel line from beyond the filter back toward the tank, lots of small rust particles came out.

            Since I live in such a dry climate I've decided to put everything back together, with a new filter, and see how it goes without any coating.







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