What to Do About Car Resonance?
2 Answers
Here are solutions for car resonance: 1. Alter the cabin space by opening the windows. This reduces the humming noise by changing the air volume and allowing low-frequency noise to dissipate. Similarly, filling the car with items can also improve the situation. 2. Replace the engine mounts to attempt reducing resonance. 3. Adjust the connection points of the chassis subframe to lower resonance. 4. Perform comprehensive engine maintenance to minimize operational resonance. 5. Apply sound insulation and vibration damping treatment to the engine front axle to reduce resonance. Extended information about the causes of car resonance: 1. Prolonged vehicle use can cause the rubber in engine mounts to fatigue and age due to heat, easily leading to resonance, which may produce bumping friction noises in severe cases. 2. Engine misfire can also cause resonance phenomena. 3. Engine guard plate deformation or improper installation often leads to engine resonance, a relatively common issue. 4. Problems in the idle speed control system can cause car resonance.
I've been driving for decades and encountered many resonance issues. Resonance usually occurs at specific speeds, such as when driving at 60 km/h, the steering wheel shakes violently, and the discomfort is noticeable. The most common cause is tire imbalance—either not performing dynamic balancing after changing new tires or wheel hub deformation. Aging drive shafts or engine mounts can also cause it. Ignoring it can damage the suspension system and increase repair costs. It's recommended to first go to a repair shop for tire dynamic balancing, which is low-cost and quick; if that doesn't work, then check the drive shaft and mounts. Regular maintenance, such as checking tires and the chassis every six months, can prevent resonance. From a safety perspective, it's important as resonance can distract attention and even cause accidents. Addressing it early saves trouble and money.