Operation CHARM: Car repair manuals for everyone.

Clutch: Testing and Inspection




NVH Troubleshooting Chart

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

Clutch













[A]: CLUTCH PEDAL (Free play out of adjustment)

[B]: CLUTCH LINE (Air in line)

[C]: MASTER CYLINDER PISTON CUP (Damaged)

[D]: OPERATING CYLINDER PISTON CUP (Damaged)

[E]: ENGINE MOUNTING (Loose)

[F]: RELEASE BEARING (Worn, dirty or damaged)

[G]: CLUTCH DISC (Out of true)

[H]: CLUTCH DISC (Runout is excessive)

[I]: CLUTCH DISC (Lining broken)

[J]: CLUTCH DISC (Dirty or burned)

[K]: CLUTCH DISC (Oily)

[L]: CLUTCH DISC (Worn out)

[M]: CLUTCH DISC (Hardened)

[N]: CLUTCH DISC (Lack of spline grease)

[O]: DIAPHRAGM SPRING (Damaged)

[P]: DIAPHRAGM SPRING (Out of tip alignment)

[Q]: PRESSURE PLATE (Distortion)

[R]: FLYWHEEL (Distortion)