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Thread: Vacuum and Emissions Diagrams

  1. #1
    Administrator 88hurstolds's Avatar
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    Default Vacuum and Emissions Diagrams

    1984-87 VIN 9















    1984-88 VIN Y Vacuum

    1986 ECM



    1987 ECM

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    I have most of the emision equip that im keeping figured out but im lost, I cant figure out what goes to the tube in the back of the E4MC at the top center

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    Quote Originally Posted by 86olds442 View Post
    I have most of the emision equip that im keeping figured out but im lost, I cant figure out what goes to the tube in the back of the E4MC at the top center
    It goes to the choke stove pipe on the manifold next to the choke. There's a pipe that connects to the stove and that carb port which is connected by a 1" piece of vacuum rubber tube.
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    What does THERMAC represent?

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    Quote Originally Posted by 74hurstolds View Post
    What does THERMAC represent?
    Okay figured it out, thermostatic air cleaner.

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    Default w00t

    THANK YOU! man I needed this info and have been looking for days. traded an 05 altima for an 86 442 thats been parked 14 years in an open carport-it has 39k original miles ( last service was in 02 and I have other records from the first service untill parked so I _thought_ i got lucky on this ride but rodents have eaten everything under the hood.... luckily they didnt get inside. I am building this car for my 14 year old kid, maybe ill have it done in 2 years.

  8. #8
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    Post some photos of it in the 442 section.
    Lightning Rods repair service:CLICK HERE
    Seller Feedback:CLICK HERE
    1988 H/OCA Advisor
    88 H/O #1 of 4
    88 CSC White/Claret - T-tops
    88 H/O Triple Black
    87 442 Black/Gray - T-tops
    85 442 White/Blue - T-tops
    85 442 White/Blue - T-tops
    85 442 White/Claret - T-tops
    85 442 White/Sage
    84 H/O Aero Commemorative #2199 - Sunroof
    83 H/O #2400 Sand Gray - Sunroof
    83 H/O #1607 Sand Gray - T-tops
    83 H/O #727 Maple
    "Keep them Rockets lit!"

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