Hem arm ball head loose harm, hem arm ball head damage symptom is what?
Today, we will talk about the harm and symptoms of ball head loosening of the lower swing arm, and provide replacement methods and maintenance costs for reference. The common faults of the ball head of the lower swing arm are oil leakage, loose clearance, external force impact deformation or fracture. Swing arm ball head damage symptom phenomenon is driving will feel the steering wheel shake, the vehicle deviation, walk uneven road feel suspension system abnormal sound is more obvious, swing arm ball head loose the biggest harm is running away, may be out of control in the limit state, affecting driving safety. At present, the swing arm ball head appears above, it is recommended to go to the regular maintenance shop to change the ball head dust jacket or swing arm ball head. The price of the dust jacket is dozens of yuan, and the replacement of the whole swing arm ball head requires several hundred yuan, plus working hours. Swing arm ball head replacement process: 1, the first need to remove the need to replace the swing arm ball head of the wheel. 2. After lifting the vehicle, remove the fixing screws of the lower swing arm with 19# wrench. 3. Then loosen the fixing screws of the lower swing arm (do not need to be removed, and keep the small thread to prevent the parts from falling and smashing when beating). 4, also use 17# tool to loosen the bottom 3 fixing screws, keep several threads. 5. After knocking with the hammer, you can use the crowbar to check whether the ball head has been knocked loose. If there is a gap, it indicates that it has been loosened.
