What Causes the Metallic Clanking Sound When Front Wheels Go Over Potholes?
2 Answers
The reasons for the metallic clanking sound when front wheels go over potholes: 1. Engine noise: There are many possible sources of abnormal noise in the engine compartment. Most people can identify it as coming from the engine compartment based on the sound, usually presenting as a sharp metallic screech or a howling noise. 2. Transmission noise: If there is a 'rustling' sound inside the transmission while driving, which disappears when the clutch or accelerator is pressed, and there is a whistling-like sound during gear shifts. 3. Wear-related noise: When pressing the accelerator or brake while driving, there may be some minor abnormal noises from certain parts of the vehicle. These sounds are usually not loud and do not affect normal driving, but they can cause slight concern about potential faults.
I've encountered similar issues quite a few times. When the front wheels go over potholes, there's a metallic clanking sound, mostly due to problems with suspension components. If the shock absorber is damaged or leaking oil, the restricted movement of the internal piston can cause metallic collisions when going over bumps. Another common issue is loose or broken stabilizer links—those connect the wheels to the body, and when loose, they hit the body and make noise. Worn ball joints in the steering knuckle can also be a factor; over time, the joint gaps widen, causing a clunking sound over bumps. Don’t forget to check the control arm bushings—if they’ve aged and lost their cushioning effect, metal parts will rub directly. I recommend taking it to a professional repair shop soon to lift the car and inspect it. Ignoring this long-term could lead to suspension deformation or abnormal tire wear, compromising driving stability. Safety first.
