HELP! Vacuum line question
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This is a discussion on HELP! Vacuum line question within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I just noticed a cut in one of my vacuum lines while checking my oil. Its the smaller vacuum line ...

  1. #1
    Registered User ToddZ199's Avatar
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    Aug 2004
    Novi, MI

    HELP! Vacuum line question

    I just noticed a cut in one of my vacuum lines while checking my oil.

    Its the smaller vacuum line that connects to the 'T' that comes off of the stock bypass valve or BOV. It then runs around to the back of the engine and goes through the firewall.

    Does anyone know what this line is for, and what it will affect until I have time to replace it?
    Any help at all would be cool.
    '02 Black WRX - not too far from stock

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  3. #2
    Registered User tarbaj's Avatar
    Join Date
    Jul 2004
    Livonia, MI
    Sounds like the line for your boost guage. Do you have a stock boost guage? get a coupler and cut out the bad piece of hose and connect the 2 ends with the coupler. You don't want that line leaking.

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