Broke hose
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HT4100 4.1, 4.5, 4.9 Discussion, Broke hose in Cadillac Engine Technical Discussion; I broke this hose the other night while changing my spark plugs and wires. I don't know what the hose ...
  1. #1
    cadillaceldo93 is offline Cadillac Owners Member
    Automobile(s): 1993 cadillac eldorado
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    Broke hose

    I broke this hose the other night while changing my spark plugs and wires. I don't know what the hose is. It goes from the throttle body to the engine. I circled the hose in red and made a yellow line where i broke the hose. It seems like air is what goes through the hose when i put my finger on the hose the engine dies. what is this hose so i can replace it? what would be some symptoms of this hose being broke?
    all help is appreciated
    thanks!
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  3. #2
    the recluse is offline Cadillac Owners Connoisseur
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    Re: Broke hose

    Quote Originally Posted by cadillaceldo93 View Post
    I broke this hose the other night while changing my spark plugs and wires. I don't know what the hose is. It goes from the throttle body to the engine. I circled the hose in red and made a yellow line where i broke the hose. It seems like air is what goes through the hose when i put my finger on the hose the engine dies. what is this hose so i can replace it? what would be some symptoms of this hose being broke?
    all help is appreciated
    thanks!
    It's a vacuum line that goes to your PCV valve. It will be one BIG vacuum leak and the car will run like crap if is not fixed. Cut the line clean and patch it back together with a piece of fuel line.

  4. #3
    cadillaceldo93 is offline Cadillac Owners Member
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    Re: Broke hose

    how do i cut it? its a metal hose. like aluminum or something like that i broke it at the plastic ending

  5. #4
    quins90lac's Avatar
    quins90lac is offline Cadillac Owners Enthusiast
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    Re: Broke hose

    might have gotten lucky and broke the pvc valve itself

  6. #5
    daniel58 is offline Cadillac Owners Fanatic
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    Re: Broke hose

    Just replace the whole thing with fuel line, or you could fabricate a new one from standard steel line.

  7. #6
    the recluse is offline Cadillac Owners Connoisseur
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    Re: Broke hose

    You might be able to replace just the PCV valve itself, IIRC it just slides over the aluminum pipe anyway. It is serviceable. I thought you may have pinched the line...

  8. #7
    cadillaceldo93 is offline Cadillac Owners Member
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    Re: Broke hose

    thanks for the help i looked up pcv valve and thats exactly what i broke so thats a cheap $3 fix

  9. #8
    cadillaceldo93 is offline Cadillac Owners Member
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    Re: Broke hose

    Could this hose being broke cause a P048 trouble code? I've looked up what it means and most people clean the tubes in the throttle body but I looked in the throttle body and cleaned it and it really wasn't dirty?

  10. #9
    quins90lac's Avatar
    quins90lac is offline Cadillac Owners Enthusiast
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    Re: Broke hose

    you could run a brush down it and see what you find wouldn't hurt

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