Peterbilt 379 vibration at 50 mph. This is caused by misfiring in one of the cylinders, incorrect air compressor timing, or flywheel imbalances. This 379 has a Caterpillar C12 engine 13-speed Eaton transmission and is operated at a local landscape company. Doesn't matter if truck is in acceleration or in neutral always 45-50. It would help if I said what I had. We found this one day and a vibration went away, kind of scary too. 05 379 peterbilt. 3. The ride height can cause vibration if wrong A Peterbilt truck may vibrate or shake when it has an engine imbalance. I'd see that the bolts attaching running gear to the frame are tight. Inspect wheel bearings for wear or looseness The seat shakes, the steering wheel shakes, the hood shakes, the shifter shakes, the rearmost of the cab shakes. I've read numerous threads and bouncing problems with the Pete low 1990 Peterbilt 379 Driveline Angle Causing Hop Vibration 379 driveline issues include hop vibrations at speed and uneven driveline angles after modifications. Occurs around 60-65 mph (sometimes around 30 mph, but is far more prominent when My 07 379 is shaking/hopping between 55-70 mph. It has a cat c-15 with a eaton 18 speed & 366 rears. Anyways to the problem. The motor had a complete in frame done 300,000 miles ago by A 2002 Peterbilt 379 day cab was brought to us with a vibration complaint. The entire trucks got the same shake all throughout it. 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. 36's, flex-air. It’s one of the easiest things people overlook with vibration complaints. The Vibration that apears just sometimes going up a hill loaded? I have vibration in my 2000 Peterbilt 379 with N14 engine. I feel it in the throttle and brake, less on the floor most I have a 2006 379 peterbilt exd. It's worse when you decelerate. Apologies. Weird vibration C 15. As long-time diesel technicians, we’ve seen how neglected vibrations can build Check ride height, should have a sticker on the back of the frame on the left side that says the ride height. It is intermittent at times. The top speed Heys Guys Thanks for reading,, I have a 95 Pete exhd this truck has a terrible vibration somewhere i My truck ('93 Pete 379, 216" wb, rto15715, 3406C 12/44 on Air Trac) feels like it's bouncing when I'm driving. My truck shakes really bad in the front end about 40 miles an hour. This speed range I bought a new 2019 389 and it has a driveline vibration between 55-65 mph. I put new bushings on the rear suspension, it's got new king pins and wheel bearings, new tires all Hello everybody. A little slower or faster it quits unless you keep slowing down then it keeps doing it ok got the newer truck 379 standerd hood 2005 c13. Hop vibrations often stem The truck has a bad vibration between 62mph-68mph ! But the vibration doesn’t just start when just get in the truck in leave you have to drive around 80-100 miles down the road and more 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. Also, check clutch Have seen that before and drive a guy nuts, and thats all it was, just barely touch the cab and when the motor touqed it rubbed and sounded like all hell was breaking loose and The positive side of the Peterbilt 379 is that this car has a significantly reduced turning radius, despite the increased length of the wheelbase. A 2002 Peterbilt 379 day cab was brought to us with a vibration complaint. That pesky vibration on your semi rig isn’t a nuisance, it’s your rig telling you that something’s amiss. There's a cat c-15 engine in it. It's got the 2050 torque drive line spl250 I have vibration in my 2000 Peterbilt 379 with N14 engine. Acert, single turbo, 18spd. drove it last nite WOW this truck has alot of vibration/noise in the floor board,throttle pedal,brake Jump to page : 1 Now viewing page 1 [50 messages per page] Jump to forum : Search this forum Printer friendly version E-mail a link to this thread Delete cookies The whole truck shakes going down the highway a little in the steering wheel and just all around shakes. Most evident between 60-65. I'm new to the forum and truckers report. Mostly under load. When its empty can not feel any vibration, ones it gets loaded even with a light load going Got T2000 KW, and i have problem, 40-55 i have bad steering wheel vibration, and the hood shakes too. . Persistent vibration at 50+ mph despite new u-joints and balanced drive shafts suggests issues with wheel bearings, tire imbalance, or driveline alignment. The truck currently has about 444K At which speeds are semi truck vibrations most common? Vibrations in semi trucks are often felt between 40 to 60 miles per hour.
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