DEFINITION: A buzzing or growling noise is coming from the clutch when engaged or disengaged.

Review the Symptoms - Clutch and perform the necessary inspections.

Hydraulic system failure

1. Inspect the clutch hydraulic system. Refer to Diagnostic Starting Point - Clutch .
2. Replace faulty components as necessary.

Clutch pressure plate assembly to flywheel bolts loose

1. Inspect the clutch disc.
2. Replace the clutch disc if necessary. Refer to Clutch Assembly Replacement .
3. Tighten the bolts to specification. Refer to Fastener Tightening Specifications .