fuel filter location 1970 deville 472cc
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500, 472, 425, 368 Discussion, fuel filter location 1970 deville 472cc in Cadillac Engine Technical Discussion; hey there, can anyone help me out? i'm looking for the location of the fuel filter on a 1970 cadillac ...
  1. #1
    DaGriff is offline Cadillac Owners Member
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    fuel filter location 1970 deville 472

    hey there,
    can anyone help me out? i'm looking for the location of the fuel filter on a 1970 cadillac deville 472. is it in the fuel pump? is it in the carb?

    when i take the inlet hose and nut of the carb i find a brass "element" or screen. is that it? it does not match the size or the look of the filter the auto stores are selling me.

    help! thanks

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  3. #2
    mcdave71 is offline Cadillac Owners Member
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    Re: fuel filter location 1970 deville 472cc

    Screws into the bottom of the fuel pump. You'll see where when you see the bottom of the pump.

  4. #3
    DaGriff is offline Cadillac Owners Member
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    Re: fuel filter location 1970 deville 472

    thanks i'll check it out.

  5. #4
    DaGriff is offline Cadillac Owners Member
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    Re: fuel filter location 1970 deville 472

    nope. took my fuel pump completely off and there is no fuel filter on or in the pump. what about the screen i'm finding in the carb inlet. think that is it?

  6. #5
    DaGriff is offline Cadillac Owners Member
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    Re: fuel filter location 1970 deville 472cc

    and...you think i should just put an after market inline filter for safe measure??

  7. #6
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    Angry Matt is offline Cadillac Owners Enthusiast
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    Re: fuel filter location 1970 deville 472cc

    There's a stone filter in the front of the carb where the fuel line connects. Use a line wrench to get the fuel line off if possible, the nuts tend to round off easy, and you'll need a 1" wrench to get the large nut off, that's what hold the filter in. Later years used a screen type filter that was a little longer.

  8. #7
    DaGriff is offline Cadillac Owners Member
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    Re: fuel filter location 1970 deville 472cc

    thanks for the info.

  9. #8
    cadillac_al is offline Cadillac Owners Connoisseur
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    Re: fuel filter location 1970 deville 472cc

    Quote Originally Posted by mcdave71 View Post
    Screws into the bottom of the fuel pump. You'll see where when you see the bottom of the pump.

    Where did that bogus info come from? I thought it sounded strange when I first heard it. It probably wouldn't have been a bad idea to change the fuel pump while it was off. They are pretty cheap anyway.

  10. #9
    creeker is offline Cadillac Owners Connoisseur
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    Re: fuel filter location 1970 deville 472cc

    Look it up on rockauto.com,you will see an exact picture of the filter.

  11. #10
    daniel58 is offline Cadillac Owners Fanatic
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    Re: fuel filter location 1970 deville 472cc

    If you are having problems with fuel flow, there may be a pickup sock on the pickup in the tank. Not sure about the 70 but 77 had this and it will cause mysterous stalling problems if clogged.

  12. #11
    DaGriff is offline Cadillac Owners Member
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    Re: fuel filter location 1970 deville 472cc

    thanks for that info

  13. #12
    creeker is offline Cadillac Owners Connoisseur
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    Re: fuel filter location 1970 deville 472cc

    Quote Originally Posted by DaGriff View Post
    thanks for that info
    Did you find the picture of the filter at rock auto?.

  14. #13
    DaGriff is offline Cadillac Owners Member
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    Re: fuel filter location 1970 deville 472cc

    yes i did. that filter does not fit my car though. tried it. thanks

  15. #14
    hardley-etc is offline Cadillac Owners Fanatic
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    Re: fuel filter location 1970 deville 472cc

    on my 1969 eldo
    the OEM manual says the fuel filter resides on the top of the mechanical fuel pump
    the in line part up by the carb is called a strainer
    rock auto does not list such a part as they confuse fuel strainer with fuel filter
    has anyone actually taken the fuel pump apart and looked

  16. #15
    intragration's Avatar
    intragration is offline Cadillac Owners Fanatic
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    Re: fuel filter location 1970 deville 472cc

    "Bogus info...." ??? The factory service manual shows the fuel filter inside of the fuel pump on a 1970 472. I looked at my 1970 472, and it's exactly the same thing they show in the factory service manual. So here's one vote for "inside the fuel pump".
    Fleetwood70 and Fleetwood70 like this.

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