Thermostat — Toyota Fortuner Legender
Category: Cooling | Severity: high | Cost: ₹2,000–₹6,000
What is Thermostat?
Regulates coolant flow based on engine temperature.
How Thermostat Works
Opens/closes valve based on heat expansion.
Why is Thermostat Important?
Maintains optimal engine temperature.
Common Problems
- Stuck closed
- Stuck open
Symptoms
- Overheating
- Poor fuel efficiency
Causes of Failure
- Wear
- Coolant contamination
Impact on Car Performance
Engine inefficiency or overheating.
DIY Fix Guide — Step by Step
- Replace thermostat
Maintenance Tips
- Use clean coolant
Replacement Cost in India
Estimated range: ₹2,000 – ₹6,000
Where to Buy Online
When to Replace Thermostat
When stuck or faulty.