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Thread: where is this supposed to connect

  1. #1
    ehall's Avatar
    ehall is offline Cadillac Owners Connoisseur
    Automobile(s): 1985 Sedan DeVille
    Join Date
    Aug 2007
    Southern Maryland

    where is this supposed to connect

    This should be the EGR solenoid. On the passenger side there are two nipples, one that goes to the EGR valve, and another that is not connected to anything. The driver's side has a shared intake vacuum feed (it's tee'd with the heater control valve and brake booster). Is the unattached nipple supposed to be connected to anything or is it atmospheric dump port? There aren't any vacuum hoses anywhere around.

    Last edited by ehall; 04-24-08 at 10:50 AM.

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  3. #2
    behind-bars is offline Cadillac Owners Connoisseur
    Automobile(s): 93 Sedan Deville 4.9L
    Join Date
    Sep 2005

    Re: where is this supposed to connect

    I dont think it should be attached to anything, The egr solenoid on my 4.9 has two connections and a filter. I imagine that used to have the filter foam and it has just deteriorated. If you look at the picture i linked below you will see the one port covered with foam

  4. #3
    MrSeville4.9 is offline Cadillac Owners Fanatic
    Automobile(s): 1993 Cadillac Seville 4.9, 2004 Cadillac Escalade ESV 6.0
    Join Date
    Apr 2008
    Chicago, IL

    Re: where is this supposed to connect

    Its a small hose that connects there and goes to the left side(if your standing in front of the car) of the throttle body. I think that right, but ill have to look at my engine and check....

  5. #4
    awadecki is offline Cadillac Owners Enthusiast
    Automobile(s): 76 Eldo (54k), 76 Eldo (52k), 78 Eldo (9k), 85 Deville (43k)
    Join Date
    Jun 2005

    Re: where is this supposed to connect

    no, ehall, your car is fine. that top nipple vents to open air. nothing is supposed to go there but a very small filter.


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