Do I need to replace the PCV valve?
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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, Do I need to replace the PCV valve? in Cadillac Escalade Forums; I have a '03 EXT with 105K miles. As part of my scheduled maintenance, I was recommended to replace the ...
  1. #1
    redsoxnation5 is offline Cadillac Owners Member
    Automobile(s): Escalade EXT
    Join Date
    Jan 2009
    Posts
    13

    Do I need to replace the PCV valve?

    I have a '03 EXT with 105K miles. As part of my scheduled maintenance, I was recommended to replace the PCV valve. I thought starting around 2000, the PCV valve was changed to a fixed orifice and no longer needs replacing. Who's right?

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  3. #2
    pcguy760 is offline Cadillac Owners Enthusiast
    Automobile(s): 02 Diamond White Pearl Escalade - Sold 10/11
    Join Date
    Feb 2009
    Location
    IL, USA
    Posts
    675

    Re: Do I need to replace the PCV valve?

    I bought a new one a month ago and was wondering the same thing too... I did not even install it yet... anyone knows?

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