Cylinder Head — Audi Q7
Category: Engine | Severity: high | Cost: ₹60,000–₹2,00,000
What is Cylinder Head?
The cylinder head sits above the cylinder block and houses valves, combustion chambers, and camshaft components.
How Cylinder Head Works
It seals the top of the cylinders and allows air-fuel mixture intake and exhaust gas exit through valves.
Why is Cylinder Head Important?
Critical for combustion efficiency and engine performance.
Common Problems
- Warping
- Cracks
- Valve seat damage
Symptoms
- Engine overheating
- White smoke
- Coolant loss
Causes of Failure
- Overheating
- Poor maintenance
- Coolant leakage
Impact on Car Performance
Damaged cylinder head reduces efficiency and can cause engine failure.
DIY Fix Guide — Step by Step
- Check coolant level
- Inspect for leaks
- Monitor engine temperature
- Avoid overheating
- Consult mechanic for repair
Maintenance Tips
- Maintain coolant system
- Regular engine servicing
Replacement Cost in India
Estimated range: ₹60,000 – ₹2,00,000
Where to Buy Online
When to Replace Cylinder Head
Replace if cracked or severely warped.