2. The bolt is loose. When driving on a road with bad road conditions, the bolts will naturally loosen. Tighten or replace bolts and nuts.
3. Failure of the universal joint of the transmission shaft, rupture of the dust cover or failure of timely maintenance due to oil leakage; Replace the new propeller shaft universal joint.
4. Abnormal sound caused by damage of each ball head, suspension and connecting bracket, failure caused by loose ball head or aging and rupture of rubber pad after long-term use. Replace the new ball head or support pad. Million car purchase subsidy