Induction system and adhesives
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Northstar Engines and System Technical Discussion Discussion, Induction system and adhesives in Cadillac Engine Technical Discussion; I have a simple question. I know years ago there was a big concern with using any kind of silicone ...
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    codewize's Avatar
    codewize is offline Cadillac Owners Master
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    Induction system and adhesives

    I have a simple question. I know years ago there was a big concern with using any kind of silicone in or around the induction system, as it caused harm to sensors.

    I would like to use glue on something for my custom Volant install and was wondering if I have to be cautious of this. It would not be silicone, probably construction adhesive.

    Will this hurt anything?
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    02 Deville DTS
    01 Deville DTS:
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    Corsa exhaust
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    danbuc's Avatar
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    Re: Induction system and adhesives

    I take it your referring to the MAF/IAT sensors? Silicone will screw up the MAF sensor if you get it on there. You can use silicone spray to lube gaskets and what not in the intake system as long as it doesn't get into the MAF sensor. Other than that, I would worry too much about it. You don't really need a whole lot to get stuff to slide around easily.

  4. #3
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Induction system and adhesives

    Most silicone adhesives, while curing, release acetic acid (that vinegar smell) which is what can mess up various sensors. Some forms of latex construction adhesives cure by polymerization/drying. Lurk through the adhesives section of your local mega-home store and read the tube labels. Not sure what the liquid black adhesive, that GM uses around weatherstrip and warranty leak fixes, is based on.

  5. #4
    eldorado1 is offline Cadillac Owners Connoisseur
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    Re: Induction system and adhesives

    Yes. Silicone will damage O2 sensors.

    Construction adhesive - not sure. Safest bet would be epoxy or something from the parts store labeled "o2 sensor safe". High temp hot melt glue would work too. I guess it all depends on what you're doing.

  6. #5
    codewize's Avatar
    codewize is offline Cadillac Owners Master
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    Re: Induction system and adhesives

    Ok on the Volant CAI the front of it which mates to the radiator support is a huge rectangle. Not very efficient in my eyes. So I have crafted a piece of 1" think foil faces foam insulation board to fit nicely in that rectangle. Then I'm going to cut a 3" hole through it and somewhat mimic the factory snorkel tube.

    I just want something to seal the foam-board to the box and the tube to the foam-board. I don't plan on installing it until the adhesive is dry, if that makes a difference.
    Ownership:
    91 Brougham d'Elegance 350
    02 Deville DTS
    01 Deville DTS:
    Custom installed Volant CAI
    Custom PCM
    Body color engine components
    Cruiser Alloy wheels
    EBC brakes and rotors
    Eibach springs
    Corsa exhaust
    Sportwing Spoiler
    Semi-custom interior
    Custom quad Hi-Beams
    Future Plans: More interior work.


    Memberships:
    National and regional Cadillac & LaSalle Club
    Proud Volunteer - Northstar Tuning Project
    Guinness World Records - Largest Cadillac Parade

    ----------------------------

  7. #6
    eldorado1 is offline Cadillac Owners Connoisseur
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    Re: Induction system and adhesives

    As long as it stays on the *outside*, you'll be fine.

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