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Rocker arm adjustment

This is a discussion on Rocker arm adjustment within the Internal Engine forums, part of the LSx Technical Help Section category; Ok. It appears I have a weak lifter in my 2002 WS6 Trans Am. My question is, before I go ...

  1. #1
    Junior Member
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    Oct 2016
    Brookhaven, PA

    Rocker arm adjustment

    Ok. It appears I have a weak lifter in my 2002 WS6 Trans Am. My question is, before I go through the trouble of tearing down the engine to replace the lifters, is it possible to adjust the rocker arm on the noisy lifter? The lifter is noisy when cold, but the noise disappears when the engine comes up to fill operating temperature. Just want confirmation that this would be safe to do, as the engine warns up I don't want excessive preload on the lifter.



  2. #2
    Spaz is My Mentor SMWS6TA's Avatar
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    Feb 2009
    Ugy Lower Corner of AL

    Navy Blue Metallic
    98 T/A w/a little mods...

    Rocker arm adjustment

    no, rockers are non adjustable.

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  3. #3
    Veteran 0rion's Avatar
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    Aug 2005

    98 Formula
    06 duramax

    sure it's a lifter and not piston slap? LS motors are famous for piston slap. 2 pretty distinct sounds though. Lifters will be more of a tap and piston slap is deeper and louder.
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