Pistons — Audi A4
Category: Engine | Severity: high | Cost: ₹20,000–₹60,000
What is Pistons?
Pistons are moving components inside cylinders that convert combustion energy into mechanical motion.
How Pistons Works
They move up and down due to combustion pressure, transferring force to the crankshaft.
Why is Pistons Important?
Essential for power generation in internal combustion engines.
Common Problems
- Carbon buildup
- Cracks
- Seizure
Symptoms
- Loss of power
- Knocking sound
- Smoke
Causes of Failure
- Overheating
- Poor lubrication
- Detonation
Impact on Car Performance
Damaged pistons reduce engine power and efficiency drastically.
DIY Fix Guide — Step by Step
- Check engine oil levels
- Listen for knocking sounds
- Perform compression test
- Consult mechanic for inspection
Maintenance Tips
- Use quality fuel
- Regular oil changes
- Avoid overheating
Replacement Cost in India
Estimated range: ₹20,000 – ₹60,000
Where to Buy Online
When to Replace Pistons
Replace when piston damage or compression loss occurs.