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500, 472, 425, 368 Discussion, Some thing wrong with my caddy help in Cadillac Engine Technical Discussion; i know what this is its a fuel sending unit anyone with a 1968-1970 cadillac eldorado go look on the ...
  1. #16
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    Re: Some thing wrong with my caddy help

    i know what this is its a fuel sending unit anyone with a 1968-1970 cadillac eldorado go look on the passenger side rear tire by the gas tank and look and see of one of these are on there
    Attached Images

  2. #17
    zonie77 is offline Cadillac Owners Connoisseur
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    Re: Some thing wrong with my caddy help

    For carb's you should get the vac gauge/pressure gauge. It's about $10-15. You didn't put a location in...auto parts store, Checker, Azone, wherever.


    Leaking at the connection was common. Look at the threads. If they are good you should be able to get it to seal. If they are messed up I think there was an adapter to fix that. You'll have to check with an auto parts to see what's available.

  3. #18
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    Re: Some thing wrong with my caddy help

    yea i might go get that for this car doing this makes me want to sale it

  4. #19
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    Re: Some thing wrong with my caddy help

    i took the carb to a carb guy and hey looked at the carb and said it whs shit so im just going to get a new carb i found one at autozone for $148 should i just go get that one?

  5. #20
    jk1000 is offline Cadillac Owners Member
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    Re: Some thing wrong with my caddy help

    Not until you check the fuel pressure first.

    Good luck.

  6. #21
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    Re: Some thing wrong with my caddy help

    Check the fuel pressure first thing, it's not that hard, it's not that expensive.

    If you determine you need a new carb, send one of the Quadrajets you have to be rebuilt by a reputable carb shop. A $148 carb is probably going to be a POS, maybe not, but yeah probably. A quality rebuild on a Quadrajet may cost more but that will net you the best possible performance and fuel economy.

  7. #22
    zonie77 is offline Cadillac Owners Connoisseur
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    Re: Some thing wrong with my caddy help

    Azone's guarantee is good. You have to check the pressure or you are wasting everyone's time.

  8. #23
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    Re: Some thing wrong with my caddy help

    ok im going to buy a carb anyways cause this rusty sh*t carb i have it gay and falling apart so the carb from autozone for $148 will be ok rite?

  9. #24
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    Re: Some thing wrong with my caddy help

    Check the pressure first.

  10. #25
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    Re: Some thing wrong with my caddy help

    Quote Originally Posted by terrible one
    Check the pressure first.
    im going to but no matter what im going to get a new carb

  11. #26
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    Re: Some thing wrong with my caddy help

    If anyone says Azone rebuilt parts aren't that great I won't argue with them, but their guarantee is great and a carb is pretty easy to change so I'd say go with Azone.

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    Re: Some thing wrong with my caddy help

    Even with their computer set up SAVE YOUR RECIEPT. I recently had a part go bad and they couldn't find it in the computer. I found the reciept and with that they found it. It was entered wrong and I didn't notice it when the guy did it.

  13. #28
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    Re: Some thing wrong with my caddy help

    ok there is like a big build up of black sh*t in the intake manifold so should i take it off and soak it in gas or some thing?

  14. #29
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    Re: Some thing wrong with my caddy help

    Quote Originally Posted by 1969cadillaceldorado
    ok there is like a big build up of black sh*t in the intake manifold so should i take it off and soak it in gas or some thing?
    Kerosene works well.

  15. #30
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    Re: Some thing wrong with my caddy help

    ok what kind of gasket is on there?

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