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The differential diagnosis of check. Drive /
Engine, axles, steering, or suspension of any noise is thoroughly check car sufficient reason. Differential drive shaft and fault usually first for leakage and noise, vibration and possible depressing metal noise. Running noises usually wear, loose, by causing the damage of bearing or gear. Bearing noise may be high-speed rumbling sound or. High-speed, high voice is continuous "woo, distant thunder rumbling materials, low rolling. Whistle often due to differential shell lubrication