Operation CHARM: Car repair manuals for everyone.

Brakes and Traction Control: Testing and Inspection




NVH Troubleshooting Chart

Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.













x: Applicable

[A]: Pads - damaged

[B]: Pads - uneven wear

[C]: Shims damaged

[D]: Rotor imbalance

[E]: Rotor damage

[F]: Rotor runout

[G]: Rotor deformation

[H]: Rotor deflection

[I]: Rotor rust

[J]: Rotor thickness variation

[K]: PROPELLER SHAFT

[L]: FRONT FINAL DRIVE

[M]: REAR FINAL DRIVE

[N]: DRIVE SHAFT

[O]: SUSPENSION

[P]: TIRES AND ROAD WHEEL

[Q]: STEERING