95 SLS throttle body vacuum plug
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Northstar Engines and System Technical Discussion Discussion, 95 SLS throttle body vacuum plug in Cadillac Engine Technical Discussion; Looking for the 3 way rubber grommet replacement. The piece that connects the vacuum hoses to the top of the ...
  1. #1
    clampet is offline Cadillac Owners Member
    Automobile(s): 1995 Seville SLS
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    95 SLS throttle body vacuum plug

    Looking for the 3 way rubber grommet replacement.
    The piece that connects the vacuum hoses to the top of the throttle body.
    Anyone one knows of an after market piece. Mine is cracked and leaking and brittle.

    Thanks in advance,
    Jed

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  3. #2
    js94sts is offline Cadillac Owners Member
    Automobile(s): 94 cadillac seville sts
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    Re: 95 SLS throttle body vacuum plug

    hey i been looking for the same piece and no luck yet

  4. #3
    eric007's Avatar
    eric007 is offline Cadillac Owners Member
    Automobile(s): 1995 Eldorado Convertible
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    Re: 95 SLS throttle body vacuum plug

    Hi,

    Did anyone ever find this piece? I need a replacement also, but can't find it. Thanks.

  5. #4
    Krashed989's Avatar
    Krashed989 is offline Cadillac Owners Connoisseur
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    Re: 95 SLS throttle body vacuum plug

    I ended up using some ultra black RTV gasket maker on mine. Works fine, but it may only be a temporary fix.

  6. #5
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: 95 SLS throttle body vacuum plug

    Take a look at the "Help !" blister pack rack at your local large parts store. There are any number of fittings, connectors, vacuum hose - so many that you can make your own custom vacuum "tree".

  7. #6
    Bigdadcad is offline Cadillac Owners Member
    Automobile(s): 95 Eldorado, 2002 Escalade
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    Re: 95 SLS throttle body vacuum plug

    Same problem here.

    I checked with my local GM dealer. The part you are looking for comes in a kit with tubes, a regulator and solenoid. It is GM Part # 03539219, HARNESS, EVAP EMIS CNSTR PURGE (INCLS 2-6). My discount price was $125, wholesale about $145. They don't just sell the vacuum port connection. I suggest your local salvage yard. Also check the other rubber connection at the solenoid.

    I don't know how much a leak here would affect performance since it is tied into the evaporator purge system. Probably not much, if at all, except for a burp at startup. Hopefully others can comment. Ranger, you out there?

  8. #7
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 95 SLS throttle body vacuum plug

    I would not think that would affect performance too greatly either.

  9. #8
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: 95 SLS throttle body vacuum plug

    The problem with a leak in the EVAP system is that it sets the "Check gas cap" message and then eventually sets EVAP codes which will fail emissions testing. EVAP only purges the fuel vapor overflow canister under specific cruise conditions when a small amount of extra "air leak" will not upset fuel mixture calculations, so a full-time vacuum leak is not good.

  10. #9
    m0ng0 is offline Cadillac Owners Member
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    Re: 95 SLS throttle body vacuum plug

    sorry to bump this, I just broke mine last night, any solution other then making your own?

  11. #10
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: 95 SLS throttle body vacuum plug

    Post #5. Necessity is the mother of invention.

    Probably so obsolete you would never find a new exact replacement. Any of those vacuum lines/pipes/connectors can be replaced with parts from the Help! racks at any large parts store.

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