Drive Axle - Noise Diagnosis: Vibration

Vibration is a high-frequency trembling, shaking or grinding condition (felt or heard) that may be constant or variable in level and can occur during the total operating speed range of the vehicle.

The types of vibrations that can be felt in the vehicle can d into 3 main groups:

• Vibrations of various unbalanced rotating parts of the vehicle.
• Resonance vibrations of the body and frame structures caused by rotating of unbalanced parts.
• Tip-in moans of resonance vibrations from stressed engine or exhaust system mounts or driveline flexing modes.