RELATED: How Much Does a Ball Joint Replacement Cost? 7. This problem commonly leads to a recognizable clunking noise, during certain road conditions. The housing is prone to failure if there is debris or grime buildup.Īdditionally, if the ball moves in and out of the housing due to excessive play, you will also hear noises. Additionally, a damaged ball joint housing can create more sound when going over bumps. When the ball joints fail, it becomes more difficult to properly steer the vehicle straight. If the issue extends into the body mount, you could also feel vibration in the cabin. Because of the poor alignment, you could hear more clunking as you head over a bump. Worn control arm bushings lead to misaligned wheels. However, if you head off-road or drive down uneven terrain, you could face this failure prematurely. Damaged Control Arm BushingsĮven under normal driving conditions, the control arm bushings will eventually wear out. This is the component holding the leaf spring to the vehicle’s frame. Plus, this problem could also occur because of the leaf spring shackle. Over time, the leaf springs can break or bend, leading to a clunking noise. You might have them in your SUV or truck. Leaf springs are primarily used for vehicles that will be heading off-road. READ MORE: 6 Symptoms of Bad Shock Absorbers 4. The car also starts to bounce more when heading over a bump. Because this vital suspension part needs to absorb impact from the wheels, you are sure to hear clunking sounds as they fail.Īt first, you may only hear a slight tapping noise, which is common when a bushing gets cracked. Shock absorbers act a lot like struts, but they don’t hold the weight of the vehicle. RELATED: 6 Symptoms of a Bad Strut (Front or Rear) 3. In this case, the noise might be even more pronounced. In some cases, the strut housing can also become damaged, especially after an impact. However, the struts will eventually fail, which can cause a clunking noise when traveling over a bump. Struts are responsible for dampening the bounce in the vehicle and for supporting the structure. If the sway bar bushings that are holding the sway bar are worn, that will also cause a clunking noise. These sway bar links have ball joints that will wear over time and cause a clunking noise. The most common cause of a clunking noise coming from your car when you go over bumps is due to worn sway bar links or bushings. Here is a more detailed list of the most common reasons for a clunking noise when driving over bumps: 1. It can also be caused by a worn body mount or a malfunction with the steering rack. This kind of clunking noise is normally the result of a worn suspension part, such as a sway bar link, strut, leaf spring shackle, control arm bushings, ball joints, or a shock absorber. Conclusion Causes of Clunking Noise When Driving Over Bumps
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