Changed out the filler neck gasket today

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Dana67Dart

The parts you don't add don't cause you no trouble
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67dart, 319,000 miles, original gas tank.

Had a hope that I wouldn't have to remove the tank, in the imortal words of Maxwell Smart missed it by that much, about 3/4 of an inch!

  1. Drained the fuel from the tank
  2. Removed the vent tube
  3. Unscrewed the trunk floor grommet.
  4. Unscrewed the filler neck from the quarter
  5. Disconnected the sender wire
  6. Disconnected the fuel line to the sender
  7. Disconnected the ground strap at the sender
  8. Supported the tank with a jack
  9. Removed the tank strap
  10. Lowered the tank enough to move the tank to the passangers side
  11. Removed the filler neck
  12. Lowered the tank to the floor
  13. Removed the OEM gasket
  14. Put a bit of vasoline around the tank hole
  15. Installed the grommet
  16. Raised the tank back up into position
  17. Put the filler tube back into position
  18. Put some vasoline on the tube
  19. Slipped the tube into the tank
  20. Raised the tank into final position
  21. Positioned the strap
  22. Inserted some tarpaper like material between tank strap and tank
  23. Tightened the strap bolt
  24. Positioned the filler neck with new gasket to body
  25. Tightened screws
  26. Reinstall trunk floor seal
Well that's how it was supposed to go....


I shined a flash light into the tank and finally found the plastic from some duct tape from about 2 to 3 years ago. ( Long story, bottom line, don't tape things to wooden dowels with duct tape)

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Since I did not think I had to remove the tank I left the 1/2 tank of fuel in the tank.
Had to syphon it out after I had the tank out and on the floor. (About 7 gallons with about 1 to 2 left in the tank)

The new seal vs OEM seal
OEM seal measured about 2" id, the new seal measured about 1.9" id
Probably from old age?

The OEM seal was soft and supple
They don't make materials like they used to.

PXL_20210711_172105422.jpg
PXL_20210711_172056837.jpg
PXL_20210711_172049518.jpg


After everything was all back together I filled it up to the gills, so far so good.
 
About 3 to 4 hours total.
Probably could do it in less time now.

I would just follow my own instructions to the letter!

I would have loved to clean the tank outside but that will be for another day.
 
I'm at the stage of filling my tank to 3/4 (avoiding the repair). This will be my second filler neck grommet replacement when I get around to it.
 
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