Car Suspension Problems: Signs, Causes, and Repair Costs
Car Owl
Published in English •
Summary
- Bouncy or floaty ride is the top sign: If your car bounces more than once after hitting a bump, the shock absorbers are worn.
- Suspension problems cause MOT failures: Worn components are a common reason for failing. See our common MOT failures guide.
- Replacement costs vary widely: From £80 for a drop link to £600+ for air suspension repairs.
Your suspension does more than give you a comfortable ride. It keeps your tyres in contact with the road, controls body roll in corners, and helps you stop in a straight line.
When it wears out, your car becomes harder to control. Here's how to spot the signs.
Signs of Worn Suspension
- Bouncy ride: The car continues bouncing after hitting a bump. Good shock absorbers stop it quickly.
- Car pulls to one side: This can be a tracking issue or worn suspension components.
- Uneven tyre wear: Worn suspension causes tyres to wear unevenly, especially on the inside or outside edge.
- Clunking over bumps: A knocking or clunking sound from the front or rear when going over bumps.
- Nose-diving when braking: The front of the car dips excessively when you brake.
- Body roll in corners: The car leans more than usual when turning.
- Oil leaking from shock absorbers: Visible on the shock body — means the seal has failed.
Common Suspension Parts That Wear Out
| Part | What It Does | Typical Replacement Cost (per pair) |
|---|---|---|
| Shock absorbers (dampers) | Control spring movement | £200–£500 |
| Coil springs | Support the car's weight | £150–£350 |
| Anti-roll bar drop links | Connect the anti-roll bar to the suspension | £60–£150 |
| Bushings | Rubber mounts that absorb vibration | £80–£250 |
| Ball joints | Allow steering and suspension movement | £100–£300 |
| Top mounts | Connect the strut to the body | £100–£250 |
When to Replace Suspension Components
There's no fixed mileage for suspension replacement. It depends on driving conditions:
- Shock absorbers: Typically last 50,000–80,000 miles. Longer on motorways, shorter on rough roads.
- Springs: Can last the life of the car, but break from corrosion in the UK (salt on roads).
- Drop links and bushings: Usually need replacing every 40,000–60,000 miles.
Always replace suspension parts in pairs (both sides). Replacing just one side creates an imbalance that affects handling.
Suspension and the MOT
Suspension is thoroughly checked during the MOT. Common failure points include:
- Leaking shock absorbers
- Broken coil springs
- Excessive play in ball joints
- Worn bushings
- Damaged anti-roll bar links
If your MOT is coming up, check for these yourself first. See our MOT guide for what gets tested.
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