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Levelling valve issue

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by EWV, Sep 16, 2017.

Page 2 of 2
  1. Sep 17, 2017 #11
    BigBob410

    BigBob410 Road Train Member

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    Feb 2, 2016
    Beirut on the Bay, MD.
    0
    If it's not exhausting, like was said above, probably got a bad valve.
     
    BigBob410, Sep 17, 2017
    BigBob410, Sep 17, 2017
    #11
    EWV Thanks this.
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  3. Sep 19, 2017 #12
    xsetra

    xsetra Road Train Member

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    Aug 21, 2011
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    First. Lines hooked up wrong.
    Second. New valve could be bad.

    Either way easy to check. Disconnect the rod and move up and down.
    Arm goes up. I think fills bags.
    Like others mentioned,
    I think valve air lines are mixed up.

    Don't know why your reading would change for your weight gauge, except the system pressurises with no release, which is done by your leveling valve.

    Did mechanic slide the fifth wheel plate to access valve. Would that change your gauge a little?
    Let us know the fix.
    Good luck.
     
    xsetra, Sep 19, 2017
    xsetra, Sep 19, 2017
    #12
    EWV and Oxbow Thank this.
  4. Sep 29, 2017 #13
    EWV

    EWV Light Load Member

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    Mar 22, 2016
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    HI guys sorry delay replying...thanks for all the answers.....the exhaust plug hole was left with a bolt.in it.....removed that and she goes up and down no prob now.
     
    EWV, Sep 29, 2017
    EWV, Sep 29, 2017
    #13
    HopeOverMope, GrapeApe, Goodysnap and 3 others Thank this.
  6. Jul 28, 2018 #15
    RonCard2358

    RonCard2358 Bobtail Member

    1
    0
    Jul 28, 2018
    0
    Replaced a leveling valve have a scrub noise what can that be
     
    RonCard2358, Jul 28, 2018
    RonCard2358, Jul 28, 2018
    #15
  8. Jul 28, 2018 #15
    Goodysnap

    Goodysnap Road Train Member

    3,771
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    Jul 12, 2017
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    You need to set the ride height to specs. In most cases the adjustment is done at the leveling valve mounting location so when you replaced it, it's now off.
     
    Goodysnap, Jul 28, 2018
    Goodysnap, Jul 28, 2018
    #15
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