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Thread: Help Installing Fuel Pump

  1. #1
    pwrofjoe is offline Cadillac Owners Member
    Automobile(s): 1969 Eldorado
    Join Date
    Jan 2010
    Age
    38
    Posts
    7

    Help Installing Fuel Pump

    Hi All,

    I need help installing the fuel pump on a 1969 Eldorado. The carb was not getting any fuel, so I changed the filter and tried to crank the engine and see if fuel would come out of the fuel line before I reattached it to the carb. No fuel was coming out. I went ahead and started work on replacing the pump. I was able to get it out, but having trouble putting the new one in. I can't get the pump to sit flush mount with the engine. The bottom of the fuel pump is not flush with the engine. Can someone give me some advice on how to put the fuel pump in so that it sits correctly in the engine and flush? Thanks in advance for your help.


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  3. #2
    steelybill is offline Cadillac Owners Enthusiast
    Automobile(s): '85 Fleetwood FWD
    Join Date
    Mar 2009
    Location
    mich
    Age
    85
    Posts
    728

    Re: Help Installing Fuel Pump

    There is a push rod in the engine that must be lined up with the arm on the pump when it's installed. You must have the push rod off to one side of the pump arm. Sometimes turning the engine over a bit will let the pushrod retract more, letting the pump come closer to the mounting flange, to bolt it on. The push rod is moved by an eccentric on the front of the camshaft. Turning the engine a bit will bring the low side of the eccentric around, letting the rod retract some, for easier pump installation.

  4. #3
    deVille33 is offline Cadillac Owners Connoisseur
    Automobile(s): 1977 Coupe (blue), 1977 Coupe (yellow), 1977 Coupe (green)
    Join Date
    Mar 2006
    Location
    Western Massachusetts
    Posts
    1,493

    Re: Help Installing Fuel Pump

    Your engine should be a 472, which has a concentric which is mounted on the front of the cam. If you bump the engine a little you should get the concentric in a position so you can mount the engine flush to the mount pad.

  5. #4
    69Deville is offline Cadillac Owners Member
    Automobile(s): 1969 Cadillac Deville
    Join Date
    Mar 2009
    Age
    37
    Posts
    46

    Re: Help Installing Fuel Pump

    I just installed mine a few days ago. It really just takes a few good tries to get it in by try inserting it at different angels till you get it right. Hope this helps and good luck.

  6. #5
    carnut is offline Cadillac Owners Master
    Automobile(s): 1999 BMW 740 Il. 2005 Jag XK8, 1988 Mercedes Benz 300 SE
    Join Date
    Feb 2003
    Location
    california
    Age
    69
    Posts
    6,688

    Re: Help Installing Fuel Pump

    With the coil wire off, bump the starter with the ignition key until the eccentric on the nose of the cam gear rotates enough to allow flush mounting of the pump. I assume you verified fuel getting to the pump from the tank??


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