1. Under normal circumstances, if the shock absorber is found to be leaking oil, it means that there is a problem with the shock absorber. It should be repaired at this time to prevent the shock absorber from working abnormally.
2. Press the bumper firmly, then release. If the car has 2-3 jumps, the shock absorbers are working well.
3. When the car is driving slowly and braking urgently, if the car vibrates violently, it means that there is a problem with the shock absorber.
4. Stop the car after driving 10km on the road with poor road conditions, and touch the casing with your hand. If it is not hot enough, it means that there is no resistance inside the shock absorber, and the shock absorber does not work.