Is It Normal for a Sedan to Make Abnormal Noises When Driving on Bumpy Roads?

[StRiley]

This situation is not normal. When abnormal noises occur, it is necessary to check whether the car's tie rod ball joint, lower control arm ball joint, stabilizer bar ball joint, rubber bushings, shock absorbers, pressure bearings, and screws on the steering gear are loose. Below is a detailed analysis of the specific reasons: 1. Abnormal shock absorbers: If the car makes a creaking sound when driving on bumpy roads, it is likely a problem with the shock absorbers, and it may also be accompanied by strong body shaking. If the abnormal noise is coming from outside the car, it might be caused by stones or other foreign objects stuck in the tire tread; if it is coming from inside the car, it could be the rear seats. 2. Identifying shock absorber issues: At low speeds, when the wheels pass over bumps on the road, there may be slight vibrations and a dull thudding sound. The noise from shock absorbers is different from other chassis noises—it is more muffled. If it is the front shock absorbers, there will also be noticeable vibrations on the steering wheel. An experienced driver can accurately determine which suspension component is making the noise. By pressing down on the upper part of each wheel's suspension, such as the front and rear fenders, a faulty shock absorber will feel harder to press—this is a symptom of shock absorber oil leakage in its later stages, which requires an experienced mechanic to diagnose.

[Emmett]

I've been driving for over a decade, and it's quite normal for a sedan to make slight noises on bumpy roads, likely due to body vibrations caused by uneven road surfaces. However, if the abnormal noise is harsh or continuous, that's definitely not normal. I've encountered this situation before, and it's often a problem with the suspension system, such as aging or failed shock absorbers, or loose chassis screws causing metal parts to collide and produce strange sounds when bumpy. Over time, if left unrepaired, it can affect handling and even pose instability risks during high-speed turns. I recommend car owners first check the suspension components for signs of oil leakage or looseness. Regular maintenance can prevent such issues. Pay attention to sound changes while driving, and if problems are detected, promptly visit a professional shop for inspection and repair. Don't procrastinate—safe driving comes first.

[CarolineLee]

Hey man, some strange noises when driving a sedan on bumpy roads are pretty common, but if the sound is really weird, then something's wrong. I used to drive a beat-up car that made a rattling noise on bumps—turned out the rubber bushings in the chassis were worn out, or the brake pads had loose gaps causing friction. Bumpy roads accelerate wear on these parts, and if ignored, they'll fail even faster. I suggest doing a quick self-check: see if there's any debris or loose parts around the tires, or note the frequency of the noise and take it to a shop for analysis. Checking the chassis while washing your car regularly can save you a lot of trouble. Keeping your car in good condition ensures a smoother and more comfortable ride.

[LeRowan]

As someone who frequently commutes by car, I'm quite concerned about such abnormal noise issues. Abnormal noises on bumpy roads aren't necessarily normal; minor sounds caused by slight vibrations might be harmless, but if you hear metal scraping or banging sounds, it indicates a problem with the car. For example, failed suspension dampers or loose screws are more likely to cause abnormal noises when driving over bumps, and not repairing them promptly could lead to component detachment or safety hazards. It's advisable to get an early inspection to ensure safety. Don't take the risk.