What Causes Noise from the Car Chassis?

[OCali]

The reasons for noise from the car chassis: 1. Problem with the stabilizer bar bushings: The symptom is that the chassis makes abnormal noises when the vehicle passes over uneven roads. Due to erosion by mud and dust, the stabilizer bar bushings become harder as they age, causing inconsistent heights between the left and right wheels and resulting in noise. 2. Problem with the brake pads: The symptom is abnormal noise from the front wheels, especially noticeable when turning the steering wheel. If the noise stops when the brakes are applied, it can generally be confirmed that the brake pads are the issue. 3. Problem with the connection between the suspension and shock absorber: If the chassis makes a creaking noise while driving, this is likely the cause. The diagnostic method is to turn off the engine, press hard on the upper part of the vehicle's suspension to make the body sway up and down, and listen carefully for the noise to identify the problematic part. 4. Other causes include abnormal noise from the wheel bearings, deformation of the shock absorber springs, aging or abnormal wear of the shock absorber pressure bearings, etc., all of which can lead to abnormal noises from the car chassis.