Peterbilt driveline vibration. It sounds, from you...

Peterbilt driveline vibration. 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). I bought new pit last year and after 75k mi I start having vibrationafter 7 months fighting with the dealers I If the driveshaft is bent, it could also cause vibrations. Other common causes include worn suspension components or problems with the axle. com: Rawze's ISX Technical Discussion and more / Big Truck Technical Discussion / Other truck related Help / Driveline noise/vibration 1990 Peterbilt 379 Driveline Angle Causing Hop Vibration 379 driveline issues include hop vibrations at speed and uneven driveline angles after modifications. The whole truck feels like it's bouncing. A bent or imbalanced driveline can be a significant source of vibrations. Bobtail it feels like a pulse coming though the floor but very little in the steering wheel. If you can feel vibrations, even subtle ones, through your steering wheel or the footwell, your driveshaft may have a problem. Worn or damaged differential end yoke causing driveline vibrations? This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance. Also for: 388 2017, 365 2017, 386 2017, 367 2017. EZ Read pictures to help! Nestor said: ↑ I have a Peterbilt 379 short hood 1997 is that a low air leaf ? And yes I feel it on my seat . This guide covers common problems, simple fixes, and maintenance tips to help keep your truck running smoothly across Canada’s roads. When I let off the throttle it goes away. In this video, w When the driveshaft operates at intersecting angles, the U-joints spin in oval circles, and that creates vibration because the driveshaft isn’t operating at a constant speed. 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. I should have worded it different, its one of the steps in the process that peterbilt uses while diagnosing a driveline vibration issue. My truck vibrates at speeds around 60mph. View and Download Peterbilt 389 2017 manual online. Adjust suspension ride height or shims if angles exceed recommended limits. Hop vibrations often stem from incorrect driveline angles causing universal joint binding. From electrical system challenges to brake and cooling system troubles, explore troubleshooting tips and preventive maintenance strategies for optimal truck performance. Inspect engine mounts for wear or damage, as degraded mounts transmit vibrations to the cab. 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. It's definitely not a vibration. 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. All the tires are ok; no loose lug nuts or low air pressure. Rear-Wheel Drive If you have a rear-wheel drive vehicle, your driveshaft is responsible for transferring power from the transmission to the rear differential. 379 Peterbilt vibrations while under a pull & letting off throttle Discussion in ' Peterbilt Forum ' started by Split Decision, Jun 16, 2020. I’m getting a vibration through the steering wheel and floor when under load at highway speeds. Where is the vibration? Seat and feet? Nestor said: ↑ I have a Peterbilt 379 short hood 1997 is that a low air leaf ? And yes I feel it on my seat . Simple tutorial to help set up the proper angles for your drive shaft and eliminate driveline vibrations. Learn about driveshaft vibrations—transverse, torsional, critical speed & failures—and driveline failures: shock load, torsional fatigue & surface fatigue. 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). After 11 hours of driving as you can imagine it like your on a vibration machine but instead my whole body is tired. Discussion in ' Peterbilt Forum ' started by newdriver2, Aug 5, 2019. Its also easiest to get outta wack a bit without noticing visually. Watch this video and see how much ok got the newer truck 379 standerd hood 2005 c13. Dorman Products - Aftermarket Auto Parts & OE Solutions - 697-542 : Differential Pinion Yoke Assembly. Hello, I am having a vibration at 55 mph on my 2019 389. 4. Mid-ship carrier on two-piece drivelines in Peterbilt 567/579, Kenworth T680/T800, Freightliner Cascadia, International LT/RH, plus many vocational chassis—always confirm series stamp on the driveshaft. Noise gets worse in warmer 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. I have done a search and read roughly 620 posts regarding this. Do you have bad vibration on your semi truck? Check out your drive shafe. Check the driveline components—universal joints and driveshaft—for imbalance or looseness. Catch problems early and avoid costly breakdowns Nov 13, 2016 · Jump to page : 1 Now viewing page 1 [50 messages per page] Jan 26, 2026 · Rawze. The Peterbilt 389 is an iconic truck known for its power, durability, and classic design, but even the best rigs face mechanical challenges. This one-piece digital protractor, electronic level, and driveline inclinometer has many applications. Replacing or repairing faulty brake components can alleviate the vibrations. Huge vibration that shaking my truck starts in the morning after night stop (around 45-65mph in the moment of accelaration, when im living the gas pedal vibration goes away) . Driveshaft Vibrations Problem: Worn U-joints or an unbalanced driveshaft can cause vibrations and extra wear on parts. Balance the driveshaft if needed. Most steering wheel vibrations are caused by a problem with the car’s wheels, but it can sometimes indicate a problem with the driveshaft. . A “driveshaft out of phase” problem would normally be noted during a bumper to bumper vehicle inspection such as a BIT or DOT inspection. Coast Powertrain is a recognized supplier of rebuilt transmission and differentials to all the prominent truck dealerships; Peterbilt, Kenworth, Western Star, Volvo, Mack, International and also offer a complete line of aftermarket parts, as well as being the central interiors only authorized Rockwell driveline vibration specialists. It the easiest to check and adjust first. Now, lets address your vibration issues. Don’t feel nothing on the steering wheel Provide vin and we can tell you for sure but is most likely is low air leaf. 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). The orders of vibration indicate how many shakes the driver feels per revolution of the drive shaft. Extend driveshaft life, reduce vibration, and improve the ride with a simple pinion angle procedure. You eliminate the problematic intersecting angle by creating the proper driveshaft operating angle. Persistent vibration at 50+ mph despite new u-joints and balanced drive shafts suggests issues with wheel bearings, tire imbalance, or driveline alignment. Now let’s go back to our Superman X-ray vision. For long-wheelbase trucks like a 379 Peterbilt with a 280-inch wheelbase, the drive shaft assembly comes in multiple pieces – often three sections that need to be marked and documented for proper reassembly. Jump to page : 1 Now viewing page 1 [50 messages per page] The Peterbilt 579 is built for long trips, but it can still face issues. I'll admit that once you have a prevalent vibration, it is pronounced and felt everywhere. One weird thing that vibration goes away for a little bit when my truck worm up (around 5-10 miles driving). It started very recently. Here’s why a Peterbilt Vibrates: A Peterbilt truck may vibrate or shake when it has an engine imbalance. need help at wits end With any vibration that changes on a accel or decel always check and set suspension ride height to spec. drove it last nite WOW this truck has alot of vibration/noise in the floor board,throttle pedal,brake 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). Vibrations at high RPM and deceleration in a Peterbilt 379 with Cat C15 can stem from driveline imbalance, worn engine mounts, or turbocharger issues. 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. 389 2017 trucks pdf manual download. We might notice that issues become worse at high speeds. Other common causes of why a Peterbilt would vibrate would be a worn-out tire, brake, clutch, driveshaft, or u-joint. I noticed a difference up to 50% less vibration. Noise gets worse in warmer Learn about driveshaft vibrations—transverse, torsional, critical speed & failures—and driveline failures: shock load, torsional fatigue & surface fatigue. Lyle H said: ↑ Please explain how adjustment of the clutch relates to driveline angle. It’s not a shimmy but a buzzing vibration. I have tried having the tires balanced, check them for out of round, balanced again and again. Shakes me pretty good. It's got the 2050 torque drive line spl250 I have a 16 Peterbilt 579. Fix: Check and replace worn U-joints. I was fortunate to use the engine, transmission and rear end from one car and only had to shorten my driveshaft to fit the new installation in a truck frame. 2006 Peterbilt 379 Vibration and Noise Issue at High Speeds 379 models often face vibration from worn drive shaft components and imbalanced rear axles. Some manufacturers use a double tube shaft with rubber grommet type vibration dampeners inside the outer tube holding the inner shaft to it. Vibrations in the Peterbilt C15 under load often stem from engine mounts, driveline imbalance, or turbocharger issues. I have read many success stories, and many ongoing mysteries. This is type of vibration is most often an issue in the driveline. This is caused by misfiring in one of the cylinders, incorrect air compressor timing, or flywheel imbalances. It's worse when you decelerate. Having an unbalanced or damaged wheel can make the truck harder to control and could lead to serious problems down the road. Driveline Issues: The driveline transfers power from the engine to the wheels. 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. Aug 5, 2019 · peterbilt shake/vibration Discussion in ' Peterbilt Forum ' started by crookedTRanspo, Aug 5, 2019. 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. 5. What are the most common driveline vibration issues, and which parts typically need replacement? Driveline vibrations usually stem from worn u-joints, unbalanced driveshafts, or failing carrier bearings. Clunking, vibration, or smoke? Discover the 5 key signs of Peterbilt driveshaft failure that Raleigh drivers should never ignore. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. 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. For a 2006 Peterbilt with Air Trac suspension, maintain the driveshaft angle between 2 to 4 degrees to prevent vibrations. Learn about common issues plaguing the Peterbilt Model 579 and proactive solutions to maintain a smooth ride. Desperately need some help. Imbalance drive shafe could cause bad vibration. Inspect the driveshaft for play or damage and check universal joints for wear. As the driveshaft becomes more unstable, the vibrations will become more intense. Check the pinion angle using an angle finder at the differential yoke and compare it to the transmission output shaft angle. Engine mounts should be examined for cracks or deterioration. This was the answer I gave him: The 2 piece drive shaft (DS) is I noticed a difference up to 50% less vibration. Solution: A trip to a specialist in truck transmission repair might be necessary. Peterbilt 389 Shakes So Bad It Will Take Your Virginity. With a worn or damaged driveshaft, you may experience vibrations or clunking noises when accelerating or decelerating. Differential Problems Problem: Worn bearings or gears in the differential can make noise and lead to failure. Failure to phase and align a driveshaft properly will result in vibrations that will destroy the driveshaft, dyno, and/or engine. I’ve had it at peterbilt twice already and they said it was my drivelines but we took them out Customer: i have a vibration in my 1995 379 peterbilt i have already checked all the u joints and carrier bearing the vibration comes in at about 63 mph and dosent go away till 75mph the vibration is still there even in netural while rolling . Hey guys. Jul 17, 2025 · Diagnosing Drive Shaft Vibration Issues Professional diagnosis of drive shaft vibration starts with a careful disassembly process. Almost feels rpm matched. The Spicer® Anglemaster® provides accuracy and ease of use in measuring angles and slopes. In this video, Shawn from Tom Wood's walks you through how to diagnose drive shaft vibrations and determine if they're angle-related, balance-related, or something else entirely. Turned the drive shaft 180 degrees, Checked the driveshaft angle (good) Driveline vibration can be felt in the cab and it can result from incorrect driveline angles, damaged U-joints or an unbalanced condition. qi7ex, q2svij, gsdykm, th9g, elhc, cdnk, tukpr, uh9m, kwcrn, ulwhu,