Cylinder Head — Audi A4
Category: Engine | Severity: critical | Cost: ₹40,000–₹1,20,000
What is Cylinder Head?
Cylinder head sits on top of the engine block and houses valves, combustion chambers, and spark plugs.
How Cylinder Head Works
It seals the combustion chamber and allows air-fuel intake and exhaust gas exit via valves.
Why is Cylinder Head Important?
Critical for combustion efficiency and engine sealing.
Common Problems
- Warping
- Cracks
- Valve leakage
Symptoms
- Overheating
- White smoke
- Loss of power
Causes of Failure
- Engine overheating
- Coolant loss
- Poor maintenance
Impact on Car Performance
Faulty cylinder head reduces efficiency and may cause engine failure.
DIY Fix Guide — Step by Step
- Check coolant levels
- Inspect for white smoke
- Monitor engine temperature
- Seek professional inspection
Maintenance Tips
- Maintain coolant
- Avoid overheating
- Regular servicing
Replacement Cost in India
Estimated range: ₹40,000 – ₹1,20,000
Where to Buy Online
When to Replace Cylinder Head
Replace if cracked or severely warped.