Knowledge Base TTS 
Suspension
2 min
Suspension and Running Gear
Ride comfort and safety directly depend on suspension condition.
Suspension: Main Components
Replacement Intervals
| Component | Lifespan |
|---|---|
| Shock absorbers | 50–80k km |
| Stabilizer links | 30–40k km |
| Control arm bushings | 60–80k km |
| Ball joints | 50–80k km |
| Wheel hub bearings | 80–120k km |
Signs of Wear
- Knocking over bumps
- Squeaking when turning
- Humming noise while driving
- Uneven tire wear
Prices at Twin Torque Service
- Diagnostics: from 80 PLN
- Shock absorber replacement (1 pc): from 200 PLN + parts
- Control arm replacement: from 150 PLN + parts
Why Is It Important?
What Happens with Worn Suspension:
| Component | Consequences |
|---|---|
| Worn shock absorbers | Wheel “bounces” → reduced road contact → braking distance +20–30% |
| Ball joint play | Unstable steering → vehicle “floats” at speed → RISK OF JOINT FAILURE = loss of control |
| Worn bushings | Incorrect alignment → one-sided tire wear → tire replacement every 15–20k km |
| Stabilizer links | Increased body roll → uneven tire load → skid risk on wet roads |
| Wheel bearing | Humming turns into vibration → overheating → possible wheel lock-up |
Wear Chain Reaction
- Worn bushing → incorrect alignment
- Incorrect alignment → uneven tire wear
- Worn tire → vibration
- Vibration → accelerated wear of shocks and bearings
The Cost of Ignoring
- Bushing: 150–300 PLN
- Full tire set due to bad alignment: 1500–3000 PLN
- Accident due to ball joint failure: priceless
Rule: Suspension diagnostics every 20,000 km saves thousands and prevents accidents.
Tips
- Check suspension every 20k km
- Never ignore knocking or squeaking
- Replace shock absorbers in pairs
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