Thermostat — Volvo XC90
Category: Cooling | Severity: medium | Cost: ₹5,000–₹15,000
What is Thermostat?
Regulates coolant flow based on engine temperature.
How Thermostat Works
Opens and closes valve depending on temperature.
Why is Thermostat Important?
Maintains optimal engine operating temperature.
Common Problems
- Stuck open
- Stuck closed
Symptoms
- Overheating
- Engine running too cold
Causes of Failure
- Wear
- Deposits buildup
Impact on Car Performance
Reduced efficiency or overheating.
DIY Fix Guide — Step by Step
- Check temperature fluctuation
- Replace if faulty
Maintenance Tips
- Use quality coolant
- Periodic inspection
Replacement Cost in India
Estimated range: ₹5,000 – ₹15,000
Where to Buy Online
When to Replace Thermostat
When stuck or causing temperature irregularities.