Head Gasket — Nissan Gravite
Category: Engine | Severity: high | Cost: ₹15,000–₹40,000
What is Head Gasket?
The head gasket seals the cylinder head to the engine block, preventing leakage of coolant and combustion gases.
How Head Gasket Works
Maintains a tight seal between block and head under high pressure and temperature.
Why is Head Gasket Important?
Prevents mixing of oil, coolant, and combustion gases.
Common Problems
- Blown gasket
- Leaks
Symptoms
- White smoke
- Overheating
- Milky oil
Causes of Failure
- Overheating
- Engine stress
Impact on Car Performance
Failure can lead to severe engine damage.
DIY Fix Guide — Step by Step
- Check for white smoke
- Inspect oil condition
- Monitor coolant level
- Perform compression test
Maintenance Tips
- Maintain cooling system
Replacement Cost in India
Estimated range: ₹15,000 – ₹40,000
Where to Buy Online
When to Replace Head Gasket
Replace immediately if blown.