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Glass fuel pump is dry

Discussion in 'Early CJ5 and CJ6 Tech' started by mwinks-jeep, Mar 26, 2016.

  1. Mar 26, 2016
    mwinks-jeep

    mwinks-jeep I still love snow, Godspeed, Barney!

    Beautiful Bucks...
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    Barney's been sitting for weeks in the garage. Time to move him back to the shed, but although there's a couple gallons in him, there's no fuel in the bowl.
    (Underseat tank, gravity fed)

    Rocked the Jeep back and forth real good , tapped on the lead from the tank, tapped on the line from tank to pump, cranked him a bunch of times....nuttin'...got a clogged fuel line don't I?

    Any suggestions on this? or just start lettin' the gas pour out and yank off the line?
     
  2. Mar 26, 2016
    mwinks-jeep

    mwinks-jeep I still love snow, Godspeed, Barney!

    Beautiful Bucks...
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    Never mind, rocked him some more and now the bowl is full!
     
  3. Mar 26, 2016
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
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    It's crazy, but I have had countless issues lately with fuel pumps and catching prime sometimes, other times laughing at me......I know they are, I can sense it. :rolleyes:
     
  4. Mar 26, 2016
    Admiral Cray

    Admiral Cray I want to do this again.. Staff Member

    Bainbridge...
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    Laughing with you Glenn...:lol:
     
  5. Mar 26, 2016
    scoutpilot

    scoutpilot Member

    Asheboro, NC
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    I hope you have a filter or two in the line.
     
  6. Mar 26, 2016
    mwinks-jeep

    mwinks-jeep I still love snow, Godspeed, Barney!

    Beautiful Bucks...
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    Filters? We don' need no steenkin' filters!
     
  7. Mar 26, 2016
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
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    Yeah you do.
     
  8. Mar 26, 2016
    mwinks-jeep

    mwinks-jeep I still love snow, Godspeed, Barney!

    Beautiful Bucks...
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    58 years without one... Yeah its easy to do on this thing as well, probably should. Long list of shoulds...
     
  9. Mar 26, 2016
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    The filter is part of the pump.

    H.
     
  10. Mar 26, 2016
    mwinks-jeep

    mwinks-jeep I still love snow, Godspeed, Barney!

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    So Howard youre saying there is a filter in the fuel pump? Do i need to clean it? Never did that either.
     
  11. Mar 26, 2016
    Admiral Cray

    Admiral Cray I want to do this again.. Staff Member

    Bainbridge...
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    Poor Barney...:cry:
     
  12. Mar 26, 2016
    WorkInProgress

    WorkInProgress Member

    Kennewick, Wa
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    when i went to a new tank. i didnt have an additional aftermarket filter. and all the new tanks shavings from being made, travelled through the not so fine mesh screen in the pump and into my carburetor and clogged some jets making me have to clean the carb again from all the paint? shavings from the new omix ada under seat tank. ever since i have added an additional filter to both my old jeeps.

    but to stay original-ish i added some of the old school glass bowl filters at the carburetor that have that weird pumice stone filter element inside works well and looks good and old doing it.

    basically i also recommend you install a extra filter too. modern ones probably filter better than the type i installed but i wanted original-ish so your choice
     
  13. Mar 26, 2016
    mwinks-jeep

    mwinks-jeep I still love snow, Godspeed, Barney!

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    Hey Cary, ya want him?
     
  14. Mar 27, 2016
    scoutpilot

    scoutpilot Member

    Asheboro, NC
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    Workinprogress makes a valid point considering the quality of reproduction fuel tanks. The loose particles left inside from the manufacturing process is a shameful example of poor QC. And let’s not talk about the rust-bucket tanks and the poorly-executed sealer projects. That having been said, has anyone ever seen what lies at the bottom of an underground gas station storage tank? Do y’all realize that every time a distributors’ tanker truck refills those tanks the inflow stirs all of the stuff up and mixes it with the gasoline? If you are filling your tank while the tanker is off-loading you’re getting that stuff in your tank. And before you say it, when was the last time you observed a service station owner changing out the filters at the pumps?
    As far as the filtration capabilities of the Carter Lifetime Ceramic Fuel Filter goes the size particles it catches is measured in microns. Add a “MagnaTrap” (rust particle catcher) to it and all you ever have to do is clean it once a year. Why do you think they disappeared from the market? Hint: Lifetime warranty on the element. No one was replacing them. They didn’t need to unless the top was actually damaged. I’ve been running the same filter, at the carb, for three years now. And I have a vintage Carter In-the-line Ceramic filter between the tank and pump. That brass mesh screen only catches the big stuff letting the smaller detritus get caught in the valves or passed on to the carb.
    I’m sorry for the diatribe. If you could see some the stuff I clean out of old cores you would become a fervent believer like me.
     
  15. Mar 27, 2016
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    X2 with scoutpilot. I once picked up a quart of water when filling the tank.
    Luckily I could see it in my glass in-line filter, helped me solve the mystery of why my jeep died twenty feet from the gas station.

    My preference too is to add a filter before the fuel pump, protects the valves in the pump from crud. And I have put a magnet in the tank itself, which harvests a lot of the rust particles before they clog the in-tank filter.

    Bear in mind the whole new issue of ethanol and phase separation, too. Phase Separation in Ethanol Blended Gasoline

    And ethanol being a solvent, it can loosen old resins and varnishes in the system, and create a carb clogging goop. A filter can help.
     
    Last edited: Mar 27, 2016
  16. Mar 27, 2016
    Rick Whitson

    Rick Whitson Detroit Area 2024 Sponsor 2022 Sponsor

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    They tore down the gas station across the street about a year or so after putting in new steel tanks, I went over and looked in them and could not believe what I saw inside after they cut them in half, there was no coating inside, the inside was flakey rust, and they were still shinny black outside. I vacuumed out my new tank and put an inline filter on it even though it has a screen in the fuel pump. I also put lead supplement and sea foam in mine just to make sure, don't like the new gas. Good luck
     
  17. Mar 28, 2016
    Don X

    Don X The Prodigal Moderator Staff Member 2023 Sponsor

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    I have the in-tank filter at the bottom of the pick up tube along with a generic plastic cased filter just before the fuel pump which has the glass bowl and screen filter inside. I like the idea of the filter at the carb that WorkInProgress metioned. Does anyone have a part number?

    And Matt, it wouldn't hurt to blow some compressed air through the lines from the tank to the pump and then from the pump to the carb.
     
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