What Causes the Abnormal Noise from the Left Rear Wheel After Hitting a Pothole?

[DanielFitz]

Car left rear wheel wear is severe: If the car's left rear wheel is severely worn, with bulges or out-of-round conditions on the tire, abnormal noises will occur while driving, especially on uneven road surfaces where the noise becomes more pronounced. In this case, timely repair or replacement of the tire is necessary to avoid safety hazards. Car left rear shock absorber is damaged: There are many reasons for damage to the car's left rear shock absorber, mainly including damage to the plane bearing, ball joint, or spring. This situation requires a detailed inspection and repair by professionals at a repair shop or 4S store. Foreign objects on the car's left rear wheel: When passing over a pothole, if there are foreign objects attached to the car's left rear wheel, such as small stones, abnormal noises will occur while driving. In this case, simply cleaning the left rear wheel promptly will resolve the issue.

[Griffin]

A few days ago I also encountered this situation. I accidentally drove over a pothole, and the left rear wheel started squeaking, which was really annoying. From my little experience working on cars, this is likely an issue with the suspension system. The shock absorber might have been deformed or started leaking oil due to the impact when hitting the pothole, or the springs could be worn out and no longer able to rebound properly, causing strange noises even over small bumps. If the rubber bushings in the suspension are torn, the car will rattle as soon as it moves. Additionally, once the wheel bearings wear out, the abnormal noise becomes especially noticeable after hitting bumps, sounding like scraping metal. When I checked, I noticed significant wheel wobble and knew it needed immediate repair. Prolonged abnormal noises can also affect balance, making it dangerous at high speeds, so I immediately took it to the repair shop. It's best to avoid potholes while driving and regularly inspect the undercarriage.

[ColtonFitz]

My old car often has this issue. Last time after going over a pothole, the left rear wheel made a loud noise, sounding like a knocking sound. The cause might be a problem with the wheel hub bearing—the impact from the pothole could have loosened the balls inside the bearing or caused a lack of lubrication, leading to increased friction and noise. The suspension links or control arms could also be deformed, making the issue more noticeable after a few bumps. If the car starts pulling to one side, be cautious. I've tried lightly tapping the wheel to listen for unusual sounds, and if anything seems off, I take it for inspection. Unusual noises are often accompanied by slight vibrations—don't force it, as this could lead to a tire blowout or loss of control. I've fixed it myself a few times, and it's also important to check the spare tire bolts. In short, safety comes first, and timely repairs save both money and hassle.

[MacCharlotte]

After hitting a pothole, my left rear wheel suddenly made a noise like a clunking sound. I think it might be an issue with the braking system, such as a loose brake caliper or broken brake pads, which could have come apart due to the impact. Unstable shock absorber support might also cause abnormal noises. Don't ignore it; first, pull over and check if the wheel looks okay. It's safer and more convenient to have a repair shop diagnose it with professional equipment.

[NoahLee]

Last summer, after driving over a pothole, my left rear wheel kept making a noise that sounded like metal rubbing. The main issue was with the chassis components—either a deformed control arm or a loose tie rod, which became misaligned after the impact. Worn suspension ball joints are also a common cause of such noises after hitting bumps. When I checked the wheel, I noticed significant wobbling and immediately had a mechanic tighten it up. Regular maintenance includes lubricating key chassis parts to reduce wear. Ignoring such noises can lead to more severe damage to the car.