Expansion Valve — Volvo XC90
Category: AC | Severity: medium | Cost: ₹5,000–₹15,000
What is Expansion Valve?
Regulates refrigerant flow into the evaporator.
How Expansion Valve Works
Controls pressure drop of refrigerant, allowing it to expand and cool.
Why is Expansion Valve Important?
Ensures optimal cooling efficiency and prevents system damage.
Common Problems
- Valve blockage
- Improper refrigerant flow
Symptoms
- AC cooling inconsistent
- Frost on evaporator
- AC cycles frequently
Causes of Failure
- Contaminants in system
- Wear and tear
Impact on Car Performance
Irregular cooling or system inefficiency.
DIY Fix Guide — Step by Step
- Not DIY-friendly
- Requires professional inspection
Maintenance Tips
- Use clean refrigerant
- Regular AC servicing
Replacement Cost in India
Estimated range: ₹5,000 – ₹15,000
Where to Buy Online
When to Replace Expansion Valve
When cooling becomes inconsistent or blockage is detected.