Thermostat — Audi Q3
Category: Engine | Severity: medium | Cost: ₹3,000–₹12,000
What is Thermostat?
Thermostat regulates coolant flow based on engine temperature.
How Thermostat Works
Opens and closes to maintain optimal temperature.
Why is Thermostat Important?
Prevents overheating and overcooling.
Common Problems
- Stuck open
- Stuck closed
Symptoms
- Overheating
- Slow warm-up
Causes of Failure
- Wear
- Debris
Impact on Car Performance
Affects engine efficiency.
DIY Fix Guide — Step by Step
- Check temperature behavior
- Replace faulty thermostat
Maintenance Tips
- Replace during coolant service
Replacement Cost in India
Estimated range: ₹3,000 – ₹12,000
Where to Buy Online
When to Replace Thermostat
Replace when stuck or malfunctioning.