NEED HELP !!!

Discussion in 'Peterbilt Forum' started by Biskit157, Dec 10, 2016.

  1. wore out

    wore out Numbered Classic

    16,052
    194,359
    Jun 5, 2013
    CHASIN THE DEVIL'S HERD
    0
    The boost line ties to a valve and acts like a pilot supply. (think trackhoe hydraulic's) that lets regulated air open the cylinder more or dump it some.
     
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  3. cjb logistics

    cjb logistics Heavy Load Member

    766
    643
    Aug 13, 2016
    Liberal Ks
    0
    You guys ever use anything to help pop out valves a little easier, plus when I do brake test they do not fully pop out.
    Time for replacement, or spray silicone?
     
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