05 Columbia thumpy in 10th w/40k +

Discussion in 'Freightliner Forum' started by atav99, Jan 19, 2016.

  1. atav99

    atav99 Bobtail Member

    13
    1
    Oct 23, 2013
    0
    Hey Boys,

    I have an 05 Columbia w/860k and she runs pretty good. Lately I've noticed she gets thumpy in 10th gear w/40 + in the can.

    Lower gears in a pull its not really noticeable, just when u load the engine on hill before i have to downshift.

    1. Is this a drivetrain thg or harm balancer/engine related issue.

    Thx in advance. T
     
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  3. S M D

    S M D Road Train Member

    2,395
    3,406
    Mar 15, 2012
    sacramento ca
    0
    Last time I had a thumpy noise in my old 07 Columbia it ended up being the turbo actuator.
     
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