Peterbilt driveline vibration. Driveline vibration ...
- Peterbilt driveline vibration. Driveline vibration look for bad u-jonts/tight u-joints, bad driveshaft support bearing, bent shaft, worn yoke. Sep 4, 2016 · Peterbilt Specifications by Vin Discussion in ' Peterbilt Forum ' started by mocy, Sep 4, 2016. It seems to happen when I’m just giving enough gas to maintain speed. 4. All the tires are ok; no loose lug nuts or low air pressure. 379 Peterbilt vibrations while under a pull & letting off throttle Discussion in ' Peterbilt Forum ' started by Split Decision, Jun 16, 2020. Persistent vibration at 50+ mph despite new u-joints and balanced drive shafts suggests issues with wheel bearings, tire imbalance, or driveline alignment. The customer stated they can feel the vibration in all gears and speeds. It started very recently. For a 2006 Peterbilt with Air Trac suspension, maintain the driveshaft angle between 2 to 4 degrees to prevent vibrations. Sometimes it can be difficult to find out which part is causing the vibrations in your Peterbilt semi-truck. I’m getting a vibration through the steering wheel and floor when under load at highway speeds. The driveline was not round like its supposed to be. This Aug 16, 2021 · 2020 Peterbilt 579 Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Perchie15, Jan 28, 2025. When I let off the throttle it goes away. I'll admit that once you have a prevalent vibration, it is pronounced and felt everywhere. I think if it was the driveline it would vibrate at all 2021 Peterbilt 389 Vibration Discussion in ' Peterbilt Forum ' started by Sukhjiwan3, Oct 30, 2022. 2004 Peterbilt 379 Vibration Issue from Broken Transmission Mounts 379 often faces front-end vibrations and motor mount failures causing driveline instability at highway speeds. All information contained in this manual is based on the latest production information available at the time of publication. A guy on a Nissan forum asked why he should keep his 2 piece drive shaft in his truck instead of changing over to a 1 piece version. Subject: RE: Peterbilt vibration ? Feeling like your Peterbilt’s shaking apart when you hit the highway? That’s more than just rough roads—it’s a classic sign of driveshaft imbalance or worn bearings. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. It's only present when driving. Differential Problems Problem: Worn bearings or gears in the differential can make noise and lead to failure. In this video, w Hi, My truck just recently started to vibrate like it is going over rumble strips. Inspect engine mounts for wear or damage, as degraded mounts transmit vibrations to the cab. Or heard of this? Vibrations at high RPM and deceleration in a Peterbilt 379 with Cat C15 can stem from driveline imbalance, worn engine mounts, or turbocharger issues. Coasting or slowing it goes away. Vibrations in the Peterbilt C15 under load often stem from engine mounts, driveline imbalance, or turbocharger issues. Jan 26, 2026 · Immaculate 2020 Peterbilt 579 finished in silver with a black, wood-grain interior, equipped with every premium option Peterbilt offered in 2020. Almost feels rpm matched. How can reducing or eliminating semi-truck vibration problems help trucking companies save money in the long run? Orders of Vibration Vibrations on trucks can appear in many different forms, but most are in one of three orders. This one-piece digital protractor, electronic level, and driveline inclinometer has many applications. Engine mounts should be examined for cracks or deterioration. Primaax EX incorporates optimized suspension geometry, which minimizes driveline vibrations and controls suspension windup and corresponding frame rise, according to the Hendrickson press release. It sounds, from your post, that the vibration is in your steering wheel and feet (front end), and not in the seat (rear end or driveline). 2019 389 driveline vibration Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by jake744, Aug 12, 2018. It's worse when you decelerate. Balance the driveshaft if needed. It was oblonged. The Spicer® Anglemaster® provides accuracy and ease of use in measuring angles and slopes. Jun 13, 2010 · Ownership, maintenance and mechanical issues forum for all Peterbilt models, including 210, 220, 320, 325, 330, 337, 348, 365, 367, 386 Hybrid, 386, 387, 388, 389, 379 Jan 29, 2016 · Peterbilt won't start Discussion in ' Trucks [ Eighteen Wheelers ] ' started by PacManTrap, Mar 30, 2016. The Peterbilt 389 is an iconic truck known for its power, durability, and classic design, but even the best rigs face mechanical challenges. But I still have a constant vibration at all speeds above 40, you feel it more when going up hill, even on a smooth ride in neutral or in gear it still has a vibration. Apr 2, 2013 · 2018 579 low voltage disconnect Discussion in ' Peterbilt Forum ' started by Edjahman, May 19, 2020. The truck vibrates while idling, and the vibration becomes particularly intense when I increase the gas and the RPM reaches between 800 and 900. I’m afraid my tire is going to fly off or my drive shaft is going If you feel a vibration under the vehicle when accelerating or hear the noise of a bad carrier bearing or u-joint like a spinning or grinding, we recommend inspecting the driveshaft and its carrier bearing and u-joints. Aug 14, 2011 · Peterbilt a/c help Discussion in ' Trucks [ Eighteen Wheelers ] ' started by Ashman_42, Jul 6, 2013. Aug 5, 2019 · Ive checked and had a old timer mechanic rechecked every yoke on the driveshaft and the the entire front end over and over again. Replacing or repairing faulty brake components can alleviate the vibrations. He bought it from Madison Peterbilt Thats certainly good information but my vibration goes away when you let off the throttle. It's got the 2050 torque drive line spl250 I have a 16 Peterbilt 579. Carrier bearing does not need it. Shakes are more of a tire issue. Ask Away! with Jeff Smith: How to Fix Driveline Vibrations by Adjusting Pinion Angle Monday Mailbag: Solving Recurring Driveline Vibration What is a Wheel Bearing & How Can You Tell if Yours is Going Bad? Noise: Banging or clunking while making a turn, backing up, or rapid deceleration (like on a freeway off-ramp). It started immediately after the tires were changed. Check the pinion angle using an angle finder at the differential yoke and compare it to the transmission output shaft angle. Driveshafts spin about 4 times faster than the tires. Driveline vibrations usually change with engine load, or being in gear vs neutral. Discussion in ' Peterbilt Forum ' started by newdriver2, Aug 5, 2019. Hi, My truck just recently started to vibrate like it is going over rumble strips. Dealer tells me these new trucks have the drive line about 40 degree off for longer u-joint life. Noise gets worse in warmer Learn about driveshaft vibrations—transverse, torsional, critical speed & failures—and driveline failures: shock load, torsional fatigue & surface fatigue. Nov 13, 2016 · Get a prybar and check the yoke on the end of your transmission. Adjust suspension ride height or shims if angles exceed recommended limits. Vibration During Driving Excessive vibration felt through the steering wheel or the truck’s floorboards is another common sign of a bad joint cross. Subject: RE: Peterbilt vibration ? Another thing that can transfer a lot of vibration is your engine and tranny mounts , the rubber in these will deteriorate and transfer alot of vibration to the frame . I'm with Davidlee. After 11 hours of driving as you can imagine it like your on a vibration machine but instead my whole body is tired. 2. . Below are a few common scenarios in which you might be experiencing increased vibrations and some possible parts that may be causing it. Once it starts if I let off the gas or give it more gas it goes away. This typically means the vibration isn’t coming from the driveline, transmission, rear ends, or wheel ends. The orders of vibration indicate how many shakes the driver feels per revolution of the drive shaft. The information below is a step by step guide on how to use the Anglemaster® in measuring driveline angles to avoid vibration problems associated with incorrect driveshaft and u-joint working angles. My truck vibrates at speeds around 60mph. It reoccurs anywhere from 20 seconds up to a few minutes. This was the answer I gave him: The 2 piece drive shaft (DS) is I noticed a difference up to 50% less vibration. Inspect the driveshaft for play or damage and check universal joints for wear. 2006 Peterbilt 379 Vibration and Noise Issue at High Speeds 379 models often face vibration from worn drive shaft components and imbalanced rear axles. Pete put a new driveline in it. It’s not a shimmy but a buzzing vibration. Sep 16, 2021 · 2000 379 peterbilt mode actuator location Discussion in ' Peterbilt Forum ' started by fatal, Sep 16, 2021. You’ll find all the pages listed where brakes or braking are discussed. I could tell right away that something was wrong with the engine. Oct 25, 2021 · Peterbilt suspension dump problem Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by TortuousAugur, Oct 25, 2021. The whole truck feels like it's bouncing. Check the driveline components—universal joints and driveshaft—for imbalance or looseness. A bent or imbalanced driveline can be a significant source of vibrations. Driveshaft Vibrations Problem: Worn U-joints or an unbalanced driveshaft can cause vibrations and extra wear on parts. Any problems with the driveline is felt more like a buzz or hum. Jun 12, 2025 · Peterbilt Problems Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Orange Cat, Jun 13, 2025. Solution: A trip to a specialist in truck transmission repair might be necessary. Could you please assist me with this issue? I dont know how much Volvo differs from Peterbilt but my 2020 developed a vibration problem at around 50k miles. Replaced all U-joints from front to back. Length of driveshaft will make a difference in what will be the most tolerable the shorter the shaft the closer the tolerance, I may run it and see but I am going to guess that you are going to notice the vibration more then the local short track racer. My thinking is if it is drive-line then wouldn't it vibrate all the time even if i let off the pedal and coast? Thanks jaysolomon, Sep 22, 2010 #3 In the past I have driven older trucks and experienced vibration because the drive line was installed with the joint not timed she had a real vibration till they were aligned properly. Honestly everything driveline related has been checked and/or replaced in the last 150k miles on a 1. Peterbilt Motors Company reserves the right to make changes at any time without notice. How to Phase a Driveshaft! Have you ever had your driveshaft fall apart and you shoved it back together and kept on trucking? Did you know your driveshaft I would have thought that turning one end of my rear driveshaft 180 degrees (in relation to the other end of it) would still have the yokes aligned - but the grease nipples would just end up 180 degrees out-of-alignment (making it an extra hassle to grease that driveshaft). 5. There can be many components responsible for vibrations but understanding semi-truck drive shaft vibrations can help you diagnose the problem faster. Here’s what a comprehensive repair process looks like: Peterbilt C15 Vibration Issue Under Load: Causes and Fixes C15 often faces vibration under load affecting throttle response and brake pedal feel during driving. Peterbilt 389 Shakes So Bad It Will Take Your Virginity. The vibrations are so harsh that it feels uncomfortable to sit inside the truck, almost making me feel nauseous. Bobtail it feels like a pulse coming though the floor but very little in the steering wheel. Jan 26, 2026 · Ever since these tires were installed I've had a noticeable driveline noise while driving. Anybody out there experienced this. It's not from the engine. When the U-joint or joint cross is worn, it can cause the driveshaft to become misaligned, resulting in uneven rotation and vibrations. Our vibration analyzer sees all of the vibrations simultaneously, so we proceed with the test. Driveshaft phasing is the process of aligning the driveshaft, U-joints, and slip yoke to balance and prevent unwanted vibration from the vehicle’s driveline system. Jul 17, 2025 · Fixing drive shaft vibration issues requires a systematic approach to ensure your semi truck runs smoothly. Fix: Check and replace worn U-joints. I'm referring to everything between the u-joint to the I bought a new 2019 389 and it has a driveline vibration between 55-65 mph. It only happens over 40MPH and sporadically. It's most noticeable when applying positive power to the driveline. I know my clutch is going to need replacing soon (already adjusted it), but could that be causing such an unpleasant experience? The ride height is fine, and the truck has a new drive shaft. Now, lets address your vibration issues. I'm not great at describing noises. 2m miles truck. I could feel it right at my feet in the drivers seat. A “driveshaft out of phase” problem would normally be noted during a bumper to bumper vehicle inspection such as a BIT or DOT inspection. Rotational vibration damages not just the shaft but everything around it—bearings, seals, yokes, and even the transmission case. I noticed a difference up to 50% less vibration. There is some play at the carrier bearing (about 1/16-1/8 inch) and about 1/8 inch of play after the yoke where the two pieces of drive shaft come together (teflon splines). Shakes me pretty good. I’m afraid my tire is going to fly off or my drive shaft is going Friend of mine also got a 2019 Pete with bad vibration also. Driveline Issues: The driveline transfers power from the engine to the wheels. Sounds like a tire problem, probably a drive tire or wheel out of round. It's definitely not a vibration. I would say it is driveline somehow. eq3d, r8bwr, kpuxif, hsxgku, 6bfba, qzngvd, 4ro79z, orjq, ykdva, ex6oy,