03 seville pcv location
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Northstar Engines and System Technical Discussion Discussion, 03 seville pcv location in Cadillac Engine Technical Discussion; anyone know the location of the pcv valve for a 2003 seville 4.6 northstar???...
  1. #1
    phil chojnacki is offline Cadillac Owners Member
    Automobile(s): 2003 Cadillac seville
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    03 seville pcv location

    anyone know the location of the pcv valve for a 2003 seville 4.6 northstar???

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 03 seville pcv location

    Remove the plastic engine beauty cover. In the left (front end) of the right (rear) camshaft cover is a plastic line which snakes into the front (accessory belt) end of the engine. There is no PCV valve per se: there is a fixed orifice in the cam cover which is connected to manifold vacuum in the front of the intake manifold. The clean air source is the plastic line which comes from the throttlebody to the (right) end of the front cam cover.

    Click on your username and update your profile and personal info with your car, year, model. Makes diagnoses easier.....

    Sorry for the parentheses: A sidewinder engine defies accurate parts location if you remember good ol' fore-and-aft configured engines............

  4. #3
    AJxtcman's Avatar
    AJxtcman is offline Cadillac Owners Connoisseur
    Automobile(s): The Northstar Tuner
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    Re: 03 seville pcv location

    Quote Originally Posted by phil chojnacki View Post
    anyone know the location of the pcv valve for a 2003 seville 4.6 northstar???
    You don't have a Valve

    They finally went to an orifice after 40 years

  5. #4
    phil chojnacki is offline Cadillac Owners Member
    Automobile(s): 2003 Cadillac seville
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    Re: 03 seville pcv location

    ok thanx

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