Thermostat — Nissan Gravite
Category: Engine | Severity: medium | Cost: ₹2,000–₹8,000
What is Thermostat?
The thermostat regulates coolant flow based on engine temperature.
How Thermostat Works
Opens and closes valve depending on temperature.
Why is Thermostat Important?
Maintains optimal operating temperature.
Common Problems
- Stuck open/closed
Symptoms
- Overheating
- Poor heating
Causes of Failure
- Wear
- Corrosion
Impact on Car Performance
Affects engine efficiency and temperature control.
DIY Fix Guide — Step by Step
- Check engine temperature
- Inspect coolant flow
- Replace faulty unit
Maintenance Tips
- Replace during coolant service
Replacement Cost in India
Estimated range: ₹2,000 – ₹8,000
Where to Buy Online
When to Replace Thermostat
Replace if temperature fluctuates abnormally.