Radiator Core — Nissan Gravite
Category: Cooling | Severity: high | Cost: ₹6,000–₹18,000
What is Radiator Core?
The radiator core is the central heat exchange component that dissipates engine heat using coolant flow and airflow.
How Radiator Core Works
Hot coolant passes through thin tubes and fins where heat is transferred to air flowing across the radiator.
Why is Radiator Core Important?
Critical for preventing engine overheating and maintaining optimal temperature.
Common Problems
- Clogging
- Leakage
- Corrosion
- Reduced heat dissipation
Symptoms
- Engine overheating
- Coolant loss
- Steam from bonnet
- Reduced AC performance
Causes of Failure
- Old coolant
- Rust buildup
- Physical damage
- Poor maintenance
Impact on Car Performance
Overheating can reduce engine efficiency by 20–40% and cause severe engine damage.
DIY Fix Guide — Step by Step
- Check coolant level
- Inspect for visible leaks
- Clean debris from fins
- Flush radiator if clogged
- Replace if damaged
Maintenance Tips
- Use proper coolant
- Flush every 40,000 km
- Inspect regularly
- Avoid tap water
Replacement Cost in India
Estimated range: ₹6,000 – ₹18,000
Where to Buy Online
When to Replace Radiator Core
Replace when leakage or clogging is severe or every 80,000–100,000 km.