It's suggested to replacing the shocks every 80,000 Kilometers
Why we should replace shock absorbers after long use:
Longer stopping distance
Having worn shock absorbers on your vehicle can increase your stopping distance by up to 20%. As you increase your travelling speed this will also increase the distance it takes your vehicle to completely stop. This 20% extra distance can be enough to cause a fatal incident and should be attended to as soon as possible.
Swerving & nose-dives
Does your car dip or swerve under braking? If so you need to have your shock absorbers checked. If you do dip or swerve under braking it decrease your control over the car which can be very dangerous in wet weather.
Are you getting vibrations through the steering wheel as you’re driving along? If your shocks are working properly they should keep your tyres in optimal contact with the road and there shouldn’t be any vibrations. If this problem occurs you need to be cautious, at high speeds the vibrations can be more intense and decreasing overall control of the vehicle.
Car sliding & veering
Do you have to correct car sliding or veering across the road in mild winds? This is a tell-tale sign of worn shocks and can be easily fixed with a shock replacement.
Rocking & rattling
If your vehicle rattles and rocks over bumps, railway tracks and uneven surfaces it is highly likely your shocks are heavily worn. Along with an unpleasant ride this rocking and rolling can be putting unwanted pressure on other car components and should be seen to as soon as possible.
Uneven tyre wear
Can you see bald patches or uneven wear on your tyres? This usually means your tyres don’t have optimal contact with the road, which can be caused by worn shocks. This will have an affect on car control and tyre grip and both should be checked and replaced.
It is Suggested to replacing the shock absorber every 80,000 Kilometers in general.