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Thread: Bleeding fuel lines

  1. #1
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    Default Bleeding fuel lines

    does anyone here know how to bleed the fuel lines on an M35A3? i just changed the fuel filter after a cross country drive and cant get all the air out of the fuel lines. it just turns over but wont crank up.

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    Colonel snoplay's Avatar
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    ck your in tank pump
    1965 BOBBED M35 W/W
    395/85/20 GOODYEAR MVT
    DETROIT LOCKER
    Air Assist steering
    M105 Trailer

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    Sergeant the buddah's Avatar
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    what i had to do is use a whole can of starter fluid thats a 2 man job pull the air filter and have them spray and you try to crank thats what worked for me

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    It does not have a priming pump.
    So the TM says to hold the accelerator pedle down and turn it over till it starts.
    That is what I did when I had an A3.

    FUEL SYSTEM
    CAUTION
    Do not engage starter switch for more than 15 seconds at a time
    or with headlights on. If engine does not start in 15 seconds, wait
    30 seconds before engaging starter switch again. Failure to do this
    may result in damage to starter.
    NOTE
    The fuel system must be primed if fuel system has been drained
    for maintenance, or if vehicle has been run out of fuel.
    a.
    Set throttle half-open by pressing accelerator pedal (1) or engaging throttle
    control (4).

    b.
    Place accessory/battery switch (3) in ON position.

    c.
    Engage starter switch (2) for 15 seconds.

    d.
    Allow at least 30 seconds before engaging starter switch (2) again. Repeat

    steps b and c until engine starts.
    Trucks: 43 Willy's MB, 52 M37, 71 M35A2 w/w, 84 M936, 85 M923A1, 85 M929, 84 M925
    Trailers: 86 M105 W/ CBC, 92 M105A2, 08 M200A1
    Gen: 03 MEP-803A, 01 MEP-805B
    S-280 Shelter

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    4 Star General /Moderator doghead's Avatar
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    Did you invent that procedure?
    M817, M818, M819, M35A2 w/w, M35A2, M109, M105, M116A2, M101A2, Pioneer tool trailer, MEP-002, MEP-017A, 5ton winch shear pins, Oral-B toothbrush

    Ah Beefco Industries Northeast marketing associate

    Don't judge a fish by its ability to climb a tree

    https://www.youtube.com/watch?time_continue=12&v=T6BTcEwtmZo


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    4 Star General M35A2-AZ's Avatar
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    Quote Originally Posted by doghead View Post
    Did you invent that procedure?
    I copied it right out of the TM.
    Trucks: 43 Willy's MB, 52 M37, 71 M35A2 w/w, 84 M936, 85 M923A1, 85 M929, 84 M925
    Trailers: 86 M105 W/ CBC, 92 M105A2, 08 M200A1
    Gen: 03 MEP-803A, 01 MEP-805B
    S-280 Shelter

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    ok guys. i will just go down the list and try the advice. thanks a lot.

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    2 Star General machinist75's Avatar
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    If you in-tank fuel pump is good, you will need to crack or take out the bleeder screw on top of the secondary fuel filter housing. Turn the switch to on until fuel comes out. When fuel comes out turn switch off. Close bleed screw. Should start. If fuel dosnt come out could be the fuel pump. with the switch on you should be able to hear it spinning. If you don't, it's out. But if you do hear it that dosnt mean that's all good. I had one than would spin but the impeller was broke so no fuel. Remove the hard line coming from tank and turn switch on, fuel should come out. If the pump is out there is a gentleman on ePay that sells one that will work for $50.00. It's not the stock one but it will work, there are some threads on here about it. Hope you get it running.

    Mike
    I love my wife and 3 little boys!
    1990 Chevy Burban V1500 CUCV Clone "The Goat"
    1984 AM General M923A1 "WAR PIG"
    1991 Kasel M101A2 W/HMMWV Wheels
    1968 M35A2 Kaiser Jeep W/W
    19?? M105A2
    MEP 701 Gen
    1976 M35A2 Am General WO/W
    S-250G Shelter
    S-250G Shelter
    1987 Kasel M105A2
    19?? M105A2

    It's better to be silent and thought a fool, then to open your mouth and remove all doubt.

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    2 Star General machinist75's Avatar
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    Default Pump

    If you in-tank fuel pump is good, you will need to crack or take out the bleeder screw on top of the secondary fuel filter housing. Turn the switch to on until fuel comes out. When fuel comes out turn switch off. Close bleed screw. Should start. If fuel dosnt come out could be the fuel pump. with the switch on you should be able to hear it spinning. If you don't, it's out. But if you do hear it that dosnt mean that's all good. I had one than would spin but the impeller was broke so no fuel. Remove the hard line coming from tank and turn switch on, fuel should come out. If the pump is out there is a gentleman on ePay that sells one that will work for $50.00. It's not the stock one but it will work, there are some threads on here about it. Hope you get it running.

    Mike
    I love my wife and 3 little boys!
    1990 Chevy Burban V1500 CUCV Clone "The Goat"
    1984 AM General M923A1 "WAR PIG"
    1991 Kasel M101A2 W/HMMWV Wheels
    1968 M35A2 Kaiser Jeep W/W
    19?? M105A2
    MEP 701 Gen
    1976 M35A2 Am General WO/W
    S-250G Shelter
    S-250G Shelter
    1987 Kasel M105A2
    19?? M105A2

    It's better to be silent and thought a fool, then to open your mouth and remove all doubt.

  10. #10
    4 Star General /Moderator doghead's Avatar
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    You guys need to read his post just a tad bit slower.

    does anyone here know how to bleed the fuel lines on an M35A3?
    Unless you know something I don't, please point out the in-tank pump on his truck. Here is a picture from the -P TM.
    Attached Images Attached Images
    M817, M818, M819, M35A2 w/w, M35A2, M109, M105, M116A2, M101A2, Pioneer tool trailer, MEP-002, MEP-017A, 5ton winch shear pins, Oral-B toothbrush

    Ah Beefco Industries Northeast marketing associate

    Don't judge a fish by its ability to climb a tree

    https://www.youtube.com/watch?time_continue=12&v=T6BTcEwtmZo


  11. The Following 2 Users Say Thank You to doghead For This Useful Post:

    Floridianson (10-20-2019), seabeeut (07-03-2012)

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