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Fuel pump spilling oil

Discussion in 'Intermediate CJ-5/6/7/8' started by johneyboy03, May 8, 2013.

  1. May 8, 2013
    johneyboy03

    johneyboy03 The green beast

    Quebec, Canada
    Joined:
    Jan 15, 2011
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    2,119
    Hi guy's been working on finding a oil leak on my amc 360. It come from the fuel pump, tiny hole, oil get out like a spray and the faster engine is going the more oil that goes out the pump.

    What is the problem, and more important what is the solution?
     
  2. May 8, 2013
    Jeepasaurusrex

    Jeepasaurusrex New Member

    Marysville WA
    Joined:
    Apr 29, 2013
    Messages:
    33
    Time to buy a new pump.

    Pull the dip stick and make sure fuel is not getting into the oil as well.
     
  3. May 8, 2013
    Mike S

    Mike S Sponsor

    Cameron Park Ca.
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    Oct 6, 2009
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    811
    X2-----only other cause I can think of is if the pump is loose on the block.

    Most likely though, the diaphragm is toast.
     
  4. May 8, 2013
    johneyboy03

    johneyboy03 The green beast

    Quebec, Canada
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    just finish taking out the pump, it was tight on the block, i was able to cleary see htat the oil was coming from the pump. I'll order a new one from napa tomorow
     
  5. May 8, 2013
    johneyboy03

    johneyboy03 The green beast

    Quebec, Canada
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    I'll double check to make sure about gaz in oil, i just flush the oil 2 weeks ago,hope i don't need to flush again chainsawguy
     
  6. May 8, 2013
    GeoffreyL

    GeoffreyL Well-Known Member

    moorestown, nj
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    Aug 1, 2012
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    1,521

    Hold a lighter to the dipstick, if it catches gas is in your oil
     
  7. May 8, 2013
    johneyboy03

    johneyboy03 The green beast

    Quebec, Canada
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    I wont take chance, i'll flush it anyway
     
  8. May 9, 2013
    Mike S

    Mike S Sponsor

    Cameron Park Ca.
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    Oct 6, 2009
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    If the level is too high it will be from the gas.
     
  9. May 10, 2013
    johneyboy03

    johneyboy03 The green beast

    Quebec, Canada
    Joined:
    Jan 15, 2011
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    Ok got the new pump today, little different than the one i had before
    Here's a pic of the pump i got this morning

    [​IMG]

    Here a pic of the old pump i'm going to change
    [​IMG]
    Différence seem to be the diaphram diameter but i cannot tell more.
     
  10. May 10, 2013
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    Aug 10, 2003
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    23,596
    Are you worried by this? They are the same. Just a different supplier.
     
    Last edited: May 10, 2013
  11. May 10, 2013
    johneyboy03

    johneyboy03 The green beast

    Quebec, Canada
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    Jan 15, 2011
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    With all the problem i'm having, i just want to make sure i got the right part.

    Thank's for the answer
     
  12. May 11, 2013
    DREDnot

    DREDnot Not new to JEEPS

    AZ
    Joined:
    Feb 7, 2010
    Messages:
    646
    Yeah, as long as they are the same distance and position between the mounting flange and the cam surface at the tip of the arm.
     
  13. May 12, 2013
    zila

    zila I throw poop

    Rock Springs,...
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    Oct 6, 2003
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    1,201
    My fuel pump did the same thing. Didn't realize it was the pump at first.. Replaced it and end of problem.. FWIW: I used to carry a spare fuel pump with me. I have since switched to an electric one..
     
  14. May 13, 2013
    johneyboy03

    johneyboy03 The green beast

    Quebec, Canada
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    Pump changed on friday, seem to have solve the problem....thank's to you all guy's
     
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