Knowledge Base TTS 
Engine
1 min
Why change oil every 7-10 thousand km?
The myth of 15-30 thousand kilometers: why manufacturers recommend it and why it kills your engine.
The truth about oil change intervals
Many manufacturers recommend oil changes every 15-30 thousand kilometers. But why do experienced mechanics advise doing it more often?
Real vehicle usage conditions
- Frequent short trips
- City traffic jams
- Variable fuel quality
- Dust and sand on roads
Twin Torque Service recommendation
Optimal interval: 7-10 thousand km or once a year
Why is this important?
| Part | Consequences |
|---|---|
| Piston rings | Carbon buildup, loss of mobility → compression drop, increased oil consumption |
| Crankshaft bearings | Abrasive wear from metal particles → engine knocking, major overhaul needed |
| Camshaft | Scoring on lobes due to insufficient lubrication → unstable valve operation |
| Turbocharger | Oil channel coking → bearing overheating, turbo seizure |
Repair costs when ignored:
- Piston ring replacement: 3000-6000 PLN
- Bearing replacement: 2000-4000 PLN
- Engine rebuild: 8000-20000 PLN
Compare: oil change costs 200-400 PLN. Saving on oil = repair costs 20-50 times higher.
Tips
- Use oil of the recommended viscosity
- Change the filter with every oil change
- Check oil level weekly
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