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Mack E7 370 AI engine boost leak test

Discussion in 'Mack Forum' started by kgbarnett22, Mar 21, 2023.

  1. Mar 21, 2023 #1
    kgbarnett22

    kgbarnett22 Bobtail Member

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    Is there no way to do a boost leak test on one of these engines? When I do it the air just goes right out the exhaust. Im guessing it does this because the engine opens the intake valve a little on the exhaust stroke?
     
    kgbarnett22, Mar 21, 2023
    kgbarnett22, Mar 21, 2023
    #1
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  3. Mar 21, 2023 #2
    AModelCat

    AModelCat Road Train Member

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    Supposed to isolate the intake system from the engine so you're only pressurizing the air to air and associated piping.
     
    AModelCat, Mar 21, 2023
    AModelCat, Mar 21, 2023
    #2
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