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The Key Role of Shock Absorbers
09/29/2025
The suspension is one of the most safety-critical components of a vehicle.
Shock absorbers play a decisive role, ensuring that the tires maintain contact with the road at all times and that driver assistance systems like ABS or ESP work reliably.
But what happens if they can no longer fulfill their essential functions?
Worn shock absorbers can lead to longer braking distances, reduced driving stability, and increased wear on adjacent components – a factor often underestimated in workshop practice.
Shock Absorbers as Safety-Critical Components
Defective shock absorbers usually show a gradual loss of performance rather than sudden failure, which is why they require special attention during routine inspections.
Shock Absorbers as Safety-Critical Components
Defective shock absorbers usually show a gradual loss of performance rather than sudden failure, which is why they require special attention during routine inspections.
Typical Damage, Causes, and Solutions
Oil Leakage
Cause: Worn seals or damaged piston rods.
Effect: Significantly reduced damping performance.
Solution: Replace the shock absorber on each axle to ensure balance, safety and driving comfort, as different damping levels can otherwise lead to unstable vehicle dynamics. Additionally, check for consequential damage to springs and strut mounts.
Mechanical Damage
Cause: Aggressive driving over potholes, curbs, or incorrect installation.
Effect: Functional limitations and shorter lifespan.
Solution: Replace with new parts, ensuring correct installation and torque. Use only recommended special tools.
Defective Rubber Bushings
Cause: Aging, overloading, or faulty installation.
Effect: Unstable vehicle dynamics, increased wear on adjacent components, noises.
Solution: Replace the complete shock absorber and check axle mounting.
Importance for Workshop Practice
Visual and functional inspections of shock absorbers should be part of every service. Even if no acute issues are visible, damping performance may already be reduced. Consistent inspection and replacement of worn components enhance vehicle safety and reduce the risk of consequential damage.
Conclusion
Shock absorbers affect both comfort and safety. Typical damages like oil leaks or mechanical defects can be easily identified with targeted inspections. Preventive measures, proper installation of peripheral components (dust covers, strut mounts, suspension springs), and careful driving help reduce damage and extend suspension life. Regular inspection, proper replacement, and axle-wise renewal are key to long-term driving safety.
Further information about our range of shock absorbers can be found here, as well as in our white paper on the subject: 'Shock absorber advice: Discover typical cases of damage and their causes'.
