A shaking front end on a Volvo VNL semi truck can be a frustrating and potentially dangerous issue to deal with. There are a number of reasons that can cause the front end of a Volvo VNL to shake, and it is important to identify and address the root cause in order to fix the problem.
One of the causes of a shaking front end on a Volvo VNL is a problem with the suspension system. This can include issues such as failed leaf spring bushings or failed cab mount bushings. These components play a crucial role in supporting the weight of the vehicle and absorbing shock, and if they are damaged or worn out, it can cause the front end to shake.
Another potential cause of a shaking front end on a Volvo VNL is a problem with the tires. This can include issues such as unevenly worn steer tires or uncentered steer tires. If the tires are not properly aligned or balanced, it can cause the front end to shake or vibrate.
A third common cause of a shaking front end on a Volvo VNL is a problem with the brakes. This can include issues such as incorrectly adjusted brake shoes or a damaged brake drum. If the brakes are not functioning properly, it can cause the front end of the truck to shake or vibrate.
Brake Shoe Kit ~ 4702 / Q Plus ~ 15.00 in x 4.00 in. | Haldex 4702Q / HV764702QG | FleetRun FR-BRKE293
Brake Shoe Kit ~ 4707 / Q Plus ~ 16.5 in x 7.00 in. | Haldex 4707Q / HV884707QG | FleetRun FR-BRKE290
Brake Shoe Kit ~ 4709 / ES ~ 16.5 in x 7.00 in. | Haldex 4709E / HV884709ES2G | FleetRun FR-BRKE291
Brake Shoe Kit ~ 4711 / Q Plus ~ 16.50 in x 8.625 in. | Haldex 4711Q / HV884711QG | FleetRun FR-BRKE487
Other potential causes of a shaking front end on a Volvo VNL include a problem with the steering system, a faulty or damaged drivetrain component, or a problem with the engine or transmission. It is important to thoroughly diagnose the issue and address the root cause in order to fix the problem and prevent it from occurring again in the future.
Other Possible Causes
In addition to the common causes mentioned in our article, such as issues with the suspension system, tires, brakes, steering, drivetrain, engine, and transmission, there are a couple of other possible causes you may want to consider.
Firstly, worn-out cab bushings could be a contributing factor to the vibration you're experiencing. These bushings are designed to reduce vibration and absorb shock, but they can become worn over time, which can cause the front end to shake.
Cabin Mount Bushing | Volvo VNL | Volvo 20900848 / 8074666 | FleetRun FR-BODY745
Another possible cause of vibrations or shaking while the engine is under load or while the engine brake is active is the rear engine mount cushions. These cushions provide critical support for the engine and drivetrain, and if they are worn or damaged, it can cause the engine to vibrate and transmit that vibration to the front end of the truck.
Engine Mount Bushing - Rear | Volvo/Mack | Volvo 20499469 | FleetRun FR-ENGN823
Worn or damaged driveline u-joints can cause a vibration that is felt throughout the vehicle. The u-joints are designed to allow the driveshaft to flex and rotate, but if they become worn or damaged, they can cause a vibration that is felt in the front end of the truck.
Universal Joint | Meritor CP25RPLS ~ Volvo 85107584 | FleetRun FR-DVTN530
The driveline center carrier bearing supports the center of the driveshaft and helps to keep it balanced. If this bearing becomes worn or damaged, it can cause a vibration in the front end of the truck.
Driveline balance is also important to consider when diagnosing a shaking issue. If the driveshaft is out of balance, it can cause the entire vehicle to vibrate, which may be felt in the front end of the truck.
In conclusion, there are many reasons that can cause the front end of a Volvo VNL semi truck to shake. It is important to identify and address the root cause in order to fix the problem and ensure the safety and performance of the vehicle. Regular maintenance and inspection of the suspension system, tires, brakes, steering system, engine and transmission, and drivetrain can help prevent shaking front end issues from occurring.