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Fuel Pump Repair Or Replacement?

Discussion in 'Early CJ5 and CJ6 Tech' started by Mark Zanoni, May 19, 2024.

  1. May 19, 2024
    Mark Zanoni

    Mark Zanoni New Member

    Cincinnati, OH
    Joined:
    Mar 26, 2021
    Messages:
    41
    Hello everyone, I had the diaphragm on my fuel pump go bad yesterday and after tearing it down I realized the vacuum pump fork was also broken in 4 pieces. The pump looks to be of the type sold by Kaiser Willys (which is to say a repo from ??) and although I'm guessing its about 24 years old it doesn't have that many miles on it. So my question to those who have experience with F134 fuel pumps, is this worth repairing or should I search for a NOS/Used 4032? Also I've been just using pump gas in this 64, since all the fuel system is new from the restoration in 2000 but maybe that's not a great idea? Any suggestions would be appreciated.
     
  2. May 19, 2024
    PeteL

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

    Hills of NH
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    mickeykelley and Ol Fogie like this.
  3. May 19, 2024
    Oldpappy

    Oldpappy A.C. Fults - Curmudgeon at large 2022 Sponsor

    East Tennessee
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    Feb 8, 2021
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    "Also I've been just using pump gas in this 64, since all the fuel system is new from the restoration in 2000 but maybe that's not a great idea? "

    Not a great idea unless the fuel pump, and carburetor were built using ethanol resistant diaphragms. I only use non-ethanol in my Jeeps, and small engine equipment.
     
    JWillys58 likes this.
  4. May 19, 2024
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    Nov 22, 2003
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    8,200
    Ouch o_O

    upload_2024-5-19_21-56-51.png

    I wonder how that happened :confused:
     
  5. May 20, 2024
    Mark Zanoni

    Mark Zanoni New Member

    Cincinnati, OH
    Joined:
    Mar 26, 2021
    Messages:
    41
    So after a little more research over at the CJ3B site, I decided to just go with a new Carter M2846, which interestingly are still in current production in the USA and with modern fuel compatible components. $116 at RockAuto.
     
  6. May 20, 2024
    Oldpappy

    Oldpappy A.C. Fults - Curmudgeon at large 2022 Sponsor

    East Tennessee
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    The Carter Carburetor Company went out of business in 1985, so it is indeed interesting.
     
  7. May 20, 2024
    Oldpappy

    Oldpappy A.C. Fults - Curmudgeon at large 2022 Sponsor

    East Tennessee
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    I Googled "Carter Fuel Pumps" and found there is indeed a "Carter Fuel Systems" which is part of "Trico Group". There is a time line on their website showing the history of the Carter brand as it changed hands over the years since 1985. It does appear to be more than just the name changing hands. I may have to order one of those pumps myself to try it out.
     
  8. May 20, 2024
    45es

    45es Active Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Naches, WA
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    Mar 31, 2007
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    In 1986 Federal Mogul Corp. acquired Carter Automotive Co. and then sold in 2013 to a private and then again to Trico Group in 2018.
     
  9. May 21, 2024
    Mark Zanoni

    Mark Zanoni New Member

    Cincinnati, OH
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    Mar 26, 2021
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