1. Classify Noise Types & Corresponding Fault Parts Different sounds directly point to failed suspension components; match the noise you hear first: (1) Clunk / Thud (Heavy Metal Knocking) Typical symptoms: Loud solid bang when compressing suspension over bumps, worse with heavy loads or sharp speed bumps. Possible broken parts: 1. Worn control arm bushings / cracked subframe bushings 2. Loose...