1. Loose and Broken Suspension Parts
Look to see if there are any obvious broken suspension parts like car shocks, coil springs, or leaf springs. Excessively loud suspension noise is usually a sign of broken parts. If you do not locate any broken parts, search for loose suspension parts. The movement of loose parts can contribute to suspension squeaks and clunking noise.
2. Suspension Parts Have Shifted
Out-of-place parts may contribute to the suspension noise. If a part like a chassis bolt shifts, it can get in the way of other moving parts which would cause a squeaking or clunking suspension. Checking for the residue of a washer may let you know if any bolts or other parts are out of place.
DIY Mechanic’s Note: On a suspension, both sides should be a mirror image of each other. Check one side to see if matches the other side. Check to make sure the bushings are spaced properly from side to side, same for washers, rings, etc. If one doesn’t match the other, that’s likely the culprit.
3. Damaged Bushings
Look for cracked, crumbling, and damaged bushings the suspension parts. If the front bushings are crumbled, cracked, or broken down, they should be replaced. Any sign of damage to the bushings could cause the squeaking and clunking sounds.
4. Standard Part Stress and Wear and Tear
What is “standard part stress?” It’s a fancy way of saying general wear and tear. Any time you have moving parts, especially if they move against other parts, you experience standard wear and tear or
part stress. So, look for parts that have scratches and worn marks from touching or constant friction.