Cylinder Head (DOHC, 4 valves per cylinder) — Aston Martin DB12
Category: Engine | Severity: high | Cost: ₹2,00,000–₹5,00,000
What is Cylinder Head (DOHC, 4 valves per cylinder)?
Controls airflow into and out of cylinders using dual overhead camshafts.
How Cylinder Head (DOHC, 4 valves per cylinder) Works
Operates intake and exhaust valves with precise timing for combustion.
Why is Cylinder Head (DOHC, 4 valves per cylinder) Important?
Critical for engine efficiency and power output.
Common Problems
- Warping
- Valve leakage
Symptoms
- Loss of compression
- White smoke
Causes of Failure
- Overheating
- Poor lubrication
Impact on Car Performance
Reduced engine performance.
DIY Fix Guide — Step by Step
- Professional servicing required
Maintenance Tips
- Regular oil changes
Replacement Cost in India
Estimated range: ₹2,00,000 – ₹5,00,000
Where to Buy Online
When to Replace Cylinder Head (DOHC, 4 valves per cylinder)
When warped or valves fail.