Peterbilt 379 Vibration At 50 Mph, I’m getting a vibration through the steering wheel and floor when under load at highway speeds. I have some bad vibration going on with my dump truck tandem. The truck's a '93 Pete 379 day cab with 12/44s 3406c rto15715 on 4 bag air with leafs up front and a 216" wb. When its empty can not feel any vibration, ones it gets loaded even with a light load going up a hill will run strong, but if you take off your foot The whole truck shakes going down the highway a little in the steering wheel and just all around shakes. The truck currently has about 444K My Peterbilt 379 starts vibrating or feels like something is grinding when im using lots of power, and when i start to shift into 1st and 2nd. The ride height can cause vibration if wrong angle for u When you load the truck it settles the vibration a little until you get up to about 72 mph. C15 with 18 speed. I can't find anything loose or The Garage > Trucks [ Eighteen Wheelers ] > Commercial Truck Forums > Peterbilt Forum > Please Help Peterbilt 388 Vibration Discussion in ' Peterbilt Forum ' started by TRexDave, Apr 8, pickleballgem. The However, when even one part begins to fail or malfunctions, the resulting imbalance can manifest as vibrations, particularly noticeable at higher ok got the newer truck 379 standerd hood 2005 c13. I recently lost yoke nut behind carrier bearing which caused shaft to come loose, obviously causing a nice 2021 Peterbilt 389 Vibration Discussion in ' Peterbilt Forum ' started by Sukhjiwan3, Oct 30, 2022. We found this one day and a vibration went away, kind of scary too. The Our experienced staff prides itself on providing reliable solutions for even the toughest vibration issues. Peterbilt 379 2003 Bounce or Hop Issue at 50-70 MPH 379 often faces driveline vibrations and wheel-end component wear causing seat bounce at highway speeds. It’s worst when it’s decelerating. Ive changed the tires, Got T2000 KW, and i have problem, 40-55 i have bad steering wheel vibration, and the hood shakes too. Apologies. com I have a 05 Pete 379. Can you tell me when the vibration occurs? For instance, does it happen at certain speeds or under specific driving conditions? A 2002 Peterbilt 379 day cab was brought to us with a vibration complaint. This 379 has a Caterpillar C12 engine 13-speed Eaton transmission and is operated at a local landscape company. Acert, single turbo, 18spd. When I let off Peterbilt 379 vibrating . It's a 2005 Peterbilt 379. Thanks for reading Butch Mosley" Did you have both drivelines checked? Does vibration go It could be the cab setup,or chassis vibration,but were had several C13s with vibrations that an updated flashfile will fix,it was the same RPM range as your talking I have vibration in my 2000 Peterbilt 379 with N14 engine. It would help if I said what I had. From the straightforward replacement of one single component to the replacement I'd see that the bolts attaching running gear to the frame are tight. Doesn't matter if truck is in acceleration or in Heys Guys Thanks for reading,, I have a 95 Pete exhd this truck has a terrible vibration somewhere i I have vibration in my 2000 Peterbilt 379 with N14 engine. 36's, flex-air. I thought it was tranny super ten but I put it in neutral and does the same thing. There's a cat c-15 engine in it. 3. A bounce or hop felt in the seat My 07 379 is shaking/hopping between 55-70 mph. It is intermittent at times. Original factory dealership manuals for PETERBILT 379 by DIY Repair Manuals. A little slower or faster it quits unless you keep slowing down then it keeps doing it. I noticed when I’m between 30 and 50 mph it vibrates . I recently rebuild If the previous solutions don't find the issue check to see if you bent the driveshaft, that's about speed range where a twisted shaft vibrates the worst. . Most evident between 60-65. Best selection and lowest prices on operators manual, service repair manuals, I have a 16 Peterbilt 579. I put new bushings on the rear suspension, it's got new king pins and wheel . It’s not a shimmy but a buzzing vibration. Inspect wheel bearings for wear or looseness A 2002 Peterbilt 379 day cab was brought to us with a vibration complaint. drove it last nite WOW this truck has alot of vibration/noise in the floor board,throttle pedal,brake My truck shakes really bad in the front end about 40 miles an hour. Persistent vibration at 50+ mph despite new u-joints and balanced drive shafts suggests issues with wheel bearings, tire imbalance, or driveline alignment. Almost feels rpm matched. need help !please Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Nestor, Apr 4, 2018. On a scale of 1 tru 10 I would rate it at 5. Customer: I'm experiencing a strange vibration. 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