1996 Peterbilt 379 Rough ride between 65 and 75

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Thin line trucking, May 5, 2022.

  1. Thin line trucking

    Thin line trucking Bobtail Member

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    May 5, 2022
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    379 Pete bounces really bad at speeds around 65 to 75 could it be tires or a bother issue
     
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  3. BoxCarKidd

    BoxCarKidd Road Train Member

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    Search block at top right. Ask in different ways. Lots of info there.
     
    blairandgretchen Thanks this.
  4. A5¢

    A5¢ Medium Load Member

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    Did this come on a at once? Any work done? New tires, drivetrain work, suspension parts replaced, alignment? Did you hit something?
     
  5. Thin line trucking

    Thin line trucking Bobtail Member

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    May 5, 2022
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    I just bought the truck it does have new “ dog bones “ on both rears tires look in pretty good shape not new but good tread could it be that they need balanced ?
     
  6. blairandgretchen

    blairandgretchen Road Train Member

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    I'd start with balancing all tires.
     
  7. Thin line trucking

    Thin line trucking Bobtail Member

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    May 5, 2022
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    That was my thought it rides smooth at about 55 get over that and it’s not so smooth
     
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  8. blairandgretchen

    blairandgretchen Road Train Member

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    What he said ^^^

    There’s a ton of threads from all of us chasing issues with vibration/bounce.

    Most will be in the garage forum.

    Chasing ride issues can be challenging.
     
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