What is the reason for the buzzing resonance in Hongguang?

[CarmenLynn]

The reason for the buzzing resonance in Hongguang is: the excessive gap between the drive shaft and the rear axle, which is a common issue with Hongguang. Rear-wheel-drive vehicles generally experience this situation. As long as the engine speed is maintained above 2000 RPM during driving or gear shifting, there will be no resonance. Hongguang is a crossover self-developed product launched by SAIC-GM-Wuling, positioned between commercial vehicles and passenger cars. With its smooth exterior design, diversified and practical spacious driving space, perfect balance between power and economy, and strong performance in handling and safety, it has overturned people's traditional impression of commercial vehicles.

[VincentRose]

I remember one time my Hongguang was buzzing on the highway, which was quite annoying. The cause was most likely tire-related, such as unbalanced tires or slightly deformed rims, which can cause resonance and produce a buzzing sound at high speeds. It could also be due to worn suspension components or uneven brake discs, with the vibrations transmitting to the car body. I suggest starting with the simpler checks: make sure the tire pressure is consistent—too low or too high is not ideal. Then check if the tire tread is wearing evenly, as uneven wear can easily cause vibrations. If you're unsure, take the car to a professional shop for a dynamic balance test or have the axles checked on a machine. This won’t cost much but is very effective. When driving, try to avoid rough roads, and regularly maintain the rims and suspension to prevent the buzzing sound from recurring—safety first, after all. Persistent resonance not only affects driving comfort but may also accelerate wear on vehicle components, increasing repair costs.

[Frieda]

The humming noise is indeed common on the Hongguang. I'd say the main causes are likely issues with the drivetrain or body structure. Think about it: when the car's speed changes, such as accelerating to around 70 km/h, and you hear a humming resonance, it's usually due to loose tires or suspension. Or perhaps the exhaust system's rubber hangers have aged, transmitting vibrations to the floorpan. My routine check involves: shaking the wheels when parked to check for looseness; listening to whether the sound comes from the front or rear, as different locations point to different issues. Sometimes, an unbalanced driveshaft or a bent half-shaft can also be the culprit. Remember to stick to regular maintenance—check the tightness of chassis bolts during oil changes to prevent problems. While resonance might seem like a minor annoyance, ignoring it can affect handling, make acceleration less smooth, and increase fuel consumption. Addressing it early is always the right move.

[VanCody]

The buzzing resonance in the Hongguang is quite annoying. I heard from a friend that a common cause is unbalanced tires, possibly due to uneven tire wear or lack of dynamic balancing tests, leading to vibrations and buzzing at high speeds. Alternatively, aging or loose suspension components like shock absorbers can cause the body to shake. A simple solution is to adjust the tire pressure evenly and, if necessary, have it checked at a shop. The buzzing may not sound serious, but it's important to be cautious. Severe vibrations on the road could affect steering control, which would be dangerous. So don't delay—address any issues promptly.

[AustinDella]

I'm the type who enjoys tinkering with cars myself. The resonance hum in the Hongguang mostly comes from the wheels or chassis. For example, unbalanced tires, deformed wheel hubs, or rusted and pitted brake drums can cause humming when moving. During inspection, first measure the tire pressure of all four wheels to ensure balance, and check if there's any abnormal wear on the tire treads. If that's ruled out, then check for any looseness in the suspension system, such as damaged ball joints or lower control arms. A comprehensive check at a professional repair shop usually takes about half an hour, and replacing small parts can quiet it down. In daily driving, try to avoid sudden acceleration and heavy loads to reduce resonance and extend the car's lifespan.

[Nancy]

The humming noise when driving the Hongguang always makes me worry about increased fuel consumption, mainly due to tire or suspension issues. It could be that the balancing weights fell off, causing tire imbalance, or the wheel hub bearings are worn and contaminated with debris, leading to vibrations. Checking isn't difficult: pay attention to whether the noise occurs at constant speed or during acceleration; try switching speeds to see if it disappears. If you're handling it yourself, start by replacing the tires with better-quality ones to avoid issues from cheap parts, and clean the wheel hubs regularly to prevent rust buildup. Although resonance isn't a major issue, ignoring it can affect comfort, making long drives particularly tiring, and may also increase engine load, wasting fuel and money. So, it's best to troubleshoot and resolve it early for peace of mind.