What are the causes of noise in the Velite 6 PHEV?
3 Answers
"The noise in the Velite 6 PHEV is mainly tire noise. Causes of tire noise: Air noise caused by the airflow between tire tread gaps and the disturbance of air around the tires. Vibration of the tire body and tread parts. Road noise caused by uneven road surfaces. Solutions: Choose quiet tires with finer tread patterns. Adhere a layer of cotton fabric to the inner side of the tire guard plate. Drive at a slower speed. Functions of tires: Support the entire weight of the vehicle, bear the load of the car, and transmit forces and moments in other directions. Transmit traction and braking torque, ensuring good adhesion between the wheels and the road surface to improve the car's power, braking, and passability. Work together with the car suspension to mitigate impacts during driving and dampen vibrations. Prevent severe vibrations and early damage to car components, adapt to the vehicle's high-speed performance, and reduce driving noise.
When driving the Velite 6 PHEV, I often hear some noises, especially during acceleration or mode switching. This car has a hybrid system, which is silent in pure electric mode, but the noise becomes louder when the engine starts—likely coming from the engine itself, including combustion and the humming of the cooling system, as well as vibrations from the chassis transmitted into the cabin. At high speeds, wind noise is quite noticeable due to the body design with multiple gaps, resulting in airflow whistling into the ears. Tire noise is also not negligible—the factory tires make a rumbling sound on rough roads, and switching to quieter tires could help. Cold starts produce even more noise, as the motor and engine work simultaneously, generating friction and metallic clattering sounds. Internal components, such as the AC fan spinning with fluctuating airflow, can also add to the disturbance. Regular maintenance is crucial—cleaning the air intake or checking belt tension can alleviate minor issues. Overall, these noises mix together, particularly in stop-and-go city traffic, becoming quite annoying. It's advisable to visit a 4S shop to test soundproofing pads or system balance.
As an owner of the Velite 6 PHEV, I've noticed that noise mainly erupts when the engine kicks in—for instance, when switching from pure electric to hybrid mode, the buzzing of the motor transitions to the roar of the engine, and vibrations from the engine compartment seem to transmit to the seat, accompanied by slight tremors in the dashboard. During low-speed driving, the tires produce a hissing sound as they grip the road, especially when going over speed bumps or uneven surfaces, with the chassis suspension transmitting impact noises. High-speed wind noise is even more annoying, as the doors and windows don't seal tightly, and the whooshing of the wind drowns out the music. When the battery cooling fan starts up, it spins noisily in the rear compartment, producing a sharp sound. The brake pads sometimes squeal when worn, particularly during sudden deceleration. My advice is to check if the tire pressure is moderate when you get in the car—too low pressure can increase rolling noise. If the noise is loud, don't rush to get it repaired; first observe under what conditions it occurs and record the details to help the technician diagnose it accurately. Keep the vehicle clean and remove any loose items, as small objects can sometimes vibrate and create noise.
