What Causes the Abnormal Noise in XPeng Vehicles?
4 Answers
Regarding abnormal noises encountered when driving on bumpy roads, there are several possible causes: 1. When passing over bumpy or poor road conditions: Small stones or other debris may get lodged in the undercarriage. I once encountered a particularly puzzling case where no faulty part could be identified—only to eventually discover two small stones trapped in the gap of the subframe. In such cases, simply removing the debris will immediately resolve the issue. 2. More commonly, the issue may lie with the undercarriage components themselves: For abnormal noises on bumpy roads, the most frequent culprits are aging or worn bushings and ball joints in the undercarriage, which fail to properly restrain the movement of parts, leading to friction or collision noises. The most typical examples are the bushings on the control arms and the ball joints on the links. Parts like these for the P7 undercarriage are generally not very expensive. 3. Damaged vibration isolation pads on the shock absorbers or springs: This can cause metal parts to collide, producing noise. Simply replacing the isolation pads with new ones will fix the problem.
I've been driving a XPeng car recently and occasionally encountered strange noises, such as squeaking from the tires when turning, or a buzzing sound around the dashboard on uneven roads. At first, I thought it was minor, but later I realized it might be due to loose suspension components, like aging stabilizer bar bushings or worn ball joints. Additionally, if the interior panels aren't tightly installed, they can easily rub and make noise when going over bumps, especially when the car is brand new and the assembly might be a bit rough. Also, if there's sand stuck in the brake discs, you might hear a clunking sound when braking—these are all common causes. Actually, don't ignore unusual noises. I once drove to a 4S shop for a check-up, and they used diagnostic equipment to pinpoint the issue, even tightening some screws for free. For electric vehicles, motor noises could also indicate poor contact in the high-voltage wiring harness, so it's advisable to have it checked during regular maintenance. Also, be mindful of avoiding hard impacts while driving.
I've encountered abnormal noises several times while driving my Xpeng, likely originating from issues with suspension components like bearings or brackets. The unique structure of electric vehicles means that excessive wear in control arms (especially front suspension) can cause clunking sounds over speed bumps. Additionally, loose connecting parts between chassis and interior trim may produce squeaky friction noises. The braking system is equally complex - stuck calipers or rusted brake discs can generate scraping sounds. For electric components, dust-clogged motor cooling fans create humming during operation, while occasionally loose high-voltage battery mounting brackets may also cause rattles. I recommend first visually inspecting tires and chassis for obvious abnormalities. If unresolved, visit a professional shop for diagnostic scans to trace electrical current fluctuations. Unaddressed noises compromise long-term driving safety - timely repairs prevent costlier fixes later.
As a XPeng owner, rattles often occur in small areas. For example, aging door seals can produce squeaking sounds when closing the door or on bumpy roads. If the screws at the connection points of the rear spoiler loosen, a mix of wind noise and metallic buzzing can be heard at high speeds. Additionally, deformation of the heat sink during inverter operation in the electric system can generate low-frequency vibrations. These factors may stem from excessive design gaps or improper assembly. When I notice similar sounds, I usually check the tire pressure and screws on all four wheels before sending the car to the dealership for inspection.
