Bouncing/hopping 94 Pete 379

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by AFF888, Aug 29, 2022.

  1. Aug 29, 2022 #1
    AFF888

    AFF888 Bobtail Member

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    Jan 8, 2018
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    Hi! I have a 94 Pete 379 (15 speed 3406B) that started hopping really bad on takeoff. I replaced the drive line hanger and this helped, but now it is bouncing around 50-60mph and also a bit on start off, still pretty bad in reverse. There is a small amount of play in the drive line. Any ideas?
     
    AFF888, Aug 29, 2022
    AFF888, Aug 29, 2022
    #1
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  3. Aug 29, 2022 #2
    Val_Caldera

    Val_Caldera Road Train Member

    2,569
    7,939
    Apr 2, 2021
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    GREETINGS,

    I'm grasping......

    How Old are the Shocks?
    Air Bags good?
    Not bleeding Air anywhere?
    Flywheel Balanced?
    Something(s) is/are obviously Loose.
    Have History of Tractor or You've had it a while?

    Check: Heavy Duty Diesel Truck Mechanics Forum
    CHEERS!!
     
    Val_Caldera, Aug 29, 2022
    Val_Caldera, Aug 29, 2022
    #2
    Bean Jr. Thanks this.
  4. Aug 31, 2022 #3
    H.Barefoot

    H.Barefoot Bobtail Member

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    Aug 31, 2022
    0
    Check and replace the shocks if bad. Just did our glider and fixed it.
     
    H.Barefoot, Aug 31, 2022
    H.Barefoot, Aug 31, 2022
    #3
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