EGR System photos 83 4.1
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HT4100 4.1, 4.5, 4.9 Discussion, EGR System photos 83 4.1 in Cadillac Engine Technical Discussion; Could someone please post a couple of pics of their EGR vacuum solenoid and valve system. I'm trying to piece ...
  1. #1
    JetTroop2000 is offline Cadillac Owners Member
    Automobile(s): 83 Coupe DeVille
    Join Date
    Nov 2013
    Location
    DE
    Posts
    25

    EGR System photos 83 4.1

    Could someone please post a couple of pics of their EGR vacuum solenoid and valve system. I'm trying to piece it together on my Deville.

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  3. #2
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
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    Feb 2003
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    Re: EGR System photos 83 4.1

    The solenoid has 3 nipples. 2 facing forward, one facing back to the EGR valve. The upper nipple facing forward should have NO hose to it. The lower nipple has ported vacuum to it. The rear facing one goes to the EGR valve. The upper nipple, from the factory, had a little foam filter on it to keep residue out of the solenoid. It is not a vacuum nipple, its a vent for the solenoid.

  4. #3
    JetTroop2000 is offline Cadillac Owners Member
    Automobile(s): 83 Coupe DeVille
    Join Date
    Nov 2013
    Location
    DE
    Posts
    25

    Re: EGR System photos 83 4.1

    Thank you carnut.

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