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58mm BBK throttle body hoses problem, please help

This is a discussion on 58mm BBK throttle body hoses problem, please help within the LT1 forums, part of the Vehicle Specific category; I have a 58mm BBK throttle body. For whatever reason when I went to re-hook up all the hoses, I ...

  1. #1
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    pewter
    2000 CAMARO SS

    58mm BBK throttle body hoses problem, please help

    I have a 58mm BBK throttle body. For whatever reason when I went to re-hook up all the hoses, I am missing one and was hoping someone can tell me where it goes.

    If you are looking at throttle body from the front of the car, on the left (passenger side) there are two inlets where hoses hook to the throttle body. The top left inlet goes to the valve cover to recirculate air (I'm guessing). The lower left inlet goes to ?????? It's driving me nuts and I can't find a diagram online or in my chilton. It is a major vacuum leak and when I started it with this off, obviously good sounds were not heard.

    If you know what hose connects here and where it is going, I would really appreciate the info.

    I already did the tb-bypass so its not for that. Here is a link to a picture of the BBK 58mm throttle body.

    http://www.bbkperformance.com/produc...ttle-body.html

    What is the lower left 'nipple'/inlet connect to?

    Thank you.

  2. #2
    Senior Member JaycenK's Avatar
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    Green
    1997 Camaro Z-28

    It's called the Evap canister purge solinoid. It's half way down the fuel rail inbetween the fuel rail and the valve cover

  3. #3
    Senior Member JaycenK's Avatar
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    1997 Camaro Z-28

    It should be a hard plastic vac line with a rubber 90 that more than likley fell appart when you took the stock one off. They are usually in bad shape after 5 years on a dd

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