1. Check the shock-absorber for any signs of liquid leaks. If leak is found, therefore, the shock-absorber is damaged and demands replacement. Prevention
Shock-absorbers need to be changed in pairs on one axis.
2. Efficiency of the shock-absorber is also checked by pressing a corner of a body and a sharp otpuskaniye. The body has to come back to a starting position after its otpuskaniye. If the body rises above a starting position and that continues to be shaken probably the shock-absorber located from this party failed and is subject to replacement. Also check fastening of the shock-absorber for wear.