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  1. #1
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    65 Posts Since Dec 2011
    jordan amman
    2006 Chevy TrailBlazer
    LS 4.2L I6 2WD
    Silver Blue Metallic

    Camshaft Position Actuator Solenoid Cleaning

    i was reading about the Camshaft Position Actuator Solenoid Cleaning i looked under the powersteering pump and i found nothing unless its the one on the top of the engine and i think there is no need to remove the power steering pump its one 10mm bolt only, any ideas ?? + is it normal to turn that sensor to left or right with my hand without pulling it out

    thank u

  2. #2
    Senior Member

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    225 Posts Since Dec 2011
    NE of Dallas, TX
    2005 GMC Envoy XL "Silvermist" No longer with us.

  3. #3
    Senior Member

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    2,510 Posts Since Feb 2012
    Southeast, IA
    2003 GMC Envoy XL
    SLT 4.2L I6 4X4
    Onyx Black
    Your CPAS sensor is going to be on the left side of the engine.

    I have a article on cleaning it as well. It's pretty easy.







    "There is a fine line between a hobby and a severe mental illness"
    ❤ Phantom 2003 GMC Envoy ❤

  4. #4
    Senior Member

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    190 Posts Since Mar 2012
    Hudson Valley, NY
    2002 Chevy TrailBlazer
    LTZ 4.2L I6 4X4
    Red Jewel Tintcoat
    Yes, you DO need to remove the PS pump to remove the CPAS. The bolts are accessed from the front through the PS pump pulley holes.
    Always remember: wherever you go, there you are!
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  5. #5
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    Southeast, IA
    2003 GMC Envoy XL
    SLT 4.2L I6 4X4
    Onyx Black
    Quote Originally Posted by MacMan View Post
    Yes, you DO need to remove the PS pump to remove the CPAS. The bolts are accessed from the front through the PS pump pulley holes.
    Just remove the 3 bolts on the PS pump to move it to the side.

    You also need to loosen or remove your serp belt.

    Removing bolts through the holes on the pulley



    "There is a fine line between a hobby and a severe mental illness"
    ❤ Phantom 2003 GMC Envoy ❤

  6. #6
    Member

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    65 Posts Since Dec 2011
    jordan amman
    2006 Chevy TrailBlazer
    LS 4.2L I6 2WD
    Silver Blue Metallic
    Quote Originally Posted by Voymom View Post
    Your CPAS sensor is going to be on the left side of the engine.

    I have a article on cleaning it as well. It's pretty easy.







    thank u this is was helpful

  7. #7
    Senior Member

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    2,510 Posts Since Feb 2012
    Southeast, IA
    2003 GMC Envoy XL
    SLT 4.2L I6 4X4
    Onyx Black
    Your welcome! Glad I could help.
    "There is a fine line between a hobby and a severe mental illness"
    ❤ Phantom 2003 GMC Envoy ❤

  8. #8
    Junior Member

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    1 Posts Since Aug 2012
    Hampton, GA
    2006 GMC Envoy XL
    4.2L I6 2WD
    Graystone Metallic

    Talking http://gmtnation.com/f23/camshaft-position-actuator-solenoid-cleaning-2919/

    I think Im having some issues with this part. Can you please advise what side effects will I notice when this part needs to cleaned or changed. And also I'm new to this site and I couldn't find your add on how to clean the CPAS. Thanks alot

  9. #9
    Administrator

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    7,763 Posts Since Nov 2011
    North San Diego County, CA
    2004 GMC Envoy
    SLT 4.2L I6 4X4
    Liquid Silver Metallic
    Quote Originally Posted by 06envoyxl View Post
    I think Im having some issues with this part. Can you please advise what side effects will I notice when this part needs to cleaned or changed. And also I'm new to this site and I couldn't find your add on how to clean the CPAS. Thanks alot
    WELCOME!!!

    Erratic idle is one clue, if the other cures for erratic idle don't work. Or a SES light accompanied by a code that says the CPAS is the culprit.

    How To: Clean The Camshaft Position Actuator Solenoid (CPAS) Picture Heavy

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  10. #10
    Junior Member

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    1 Posts Since Mar 2013
    Pineville, La
    Quote Originally Posted by the roadie View Post
    WELCOME!!!

    Erratic idle is one clue, if the other cures for erratic idle don't work. Or a SES light accompanied by a code that says the CPAS is the culprit.

    How To: Clean The Camshaft Position Actuator Solenoid (CPAS) Picture Heavy
    I ran across this thread while researching the P0014 code on my wife's 2004 Trailblazer.
    She has been getting P0014 from time to time. It comes on and then goes out by itself. It was on today when I checked it. I cleared it and then sat down at my computer. She also has been getting erratic cruise control actuation. No erratic idle or other engine performance problems.

    I pulled the camshaft position actuator solenoid and found the middle screen clogged just like the above photo.
    I cleaned it with brake cleaner and low pressure air. Put it back in and took it for a 10 mile test drive.
    No more check engine light. I turned on the cruise control about 60 times and it never missed a lick.
    I read that the sensor on the front of the engine (don't remember exact name but it is another part of the camshaft system) will affect the cruise control.
    Maybe the problem is there but for now it's working.

    Thanks to everyone who posted and especially for the detailed photos.

    Caipira

 

 

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