The 7 signs of shock absorbers at the end of their life
The car bounces
After a speed bump or a pothole, the body keeps swaying several times instead of settling cleanly.
Nose-dive under braking
The front dives hard when you brake and the rear lifts. Longer stopping distances as a result.
Body roll in corners
The car leans a lot in bends and wallows, especially on the motorway in a crosswind.
Uneven tyre wear
Patches of wear (a "scalloped" effect) give away a shock absorber that no longer keeps the tyre on the road.
Noises on rough roads
Knocks and thuds from the suspension when the road is bad.
Oil traces
A shock absorber that "weeps" (oil seeping down its body) is on its way out.
Sign 7 is the sneakiest: a floating feeling at high speed, as if the car were "swimming" slightly. You get used to it without realising the handling has deteriorated.
The bounce test you can do yourself
With the car parked, push down with all your weight on one corner (above a wheel), then let go suddenly. Watch:
- The body comes back up and settles immediately (1 oscillation) → healthy shock absorber.
- It bounces 2, 3 times or more before settling → worn shock absorber, get it checked.
Why it's not just about comfort. A worn shock absorber increases braking distance (by several metres at 80 km/h), reduces grip in the rain and makes ABS less effective. It's a safety component, not a luxury.
Roadworthiness test: a frequent reason to fail
At the Belgian roadworthiness test, a leaking shock absorber or too big a left/right difference in efficiency (tested on the rig) means a fail. It's one of the items that fails otherwise healthy cars. Checking them beforehand avoids a re-test.
How much does it cost in Belgium in 2026?
Rough guide prices in Belgium. At Warehouse Care, the price is calculated for your car using its chassis number: from 465 € for the front pair, all-in.
We always replace in pairs (both shock absorbers on the same axle): fitting a new one next to a worn one unbalances the car and fails the roadworthiness test. On a strut, we also check the top mount and bump stop while we're at it.
Frequently asked questions
At what mileage should you change your shock absorbers?
There's no strict rule, but noticeable wear often appears between 80,000 and 120,000 km depending on the roads and driving style. It's best to go by the signs (bounce, leaks, handling) rather than mileage alone.
Should all 4 shock absorbers be changed at once?
Always in pairs on the same axle. Not necessarily all 4: we replace the axle that's worn. But if front and rear have the same age and mileage, doing them together saves a second appointment soon after.
Does a worn shock absorber fail the roadworthiness test?
Yes, often: a visible oil leak or too big a left/right difference in efficiency on the rig means a fail. Checking them beforehand avoids a re-test.