How can I know that my shock absorbers have failed

You can relate shock absorber wear with the human muscle stress and injuries suffered by people who make long cross country trips

Shocks & Struts – Noticing the Signs of Wear, Diesel Works

5 Scary Signs of Failing Shocks - 1A Auto

Top Common Reasons for Shock Absorber and Struts Failures in Vehicles - Uchanics: Auto Repair

How to Tell if Your Shocks or Struts Are Bad

7 Signs You Car's Suspension is Failing - BreakerLink Blog

The 8 most common issues in shock absorbers

6 Signs Your Car has Suspension Problems

When to change your shock absorbers? Here are 6 signs the time has come

Symptoms of a Failing Air Suspension

Main Failure Mode of Shock Absorber