Expansion Valve — Aston Martin DBX
Category: AC | Severity: medium | Cost: ₹10,000–₹40,000
What is Expansion Valve?
Controls the flow of refrigerant into the evaporator.
How Expansion Valve Works
It reduces refrigerant pressure and regulates flow based on cooling demand.
Why is Expansion Valve Important?
Ensures proper cooling efficiency and prevents system damage.
Common Problems
- Valve blockage
- Stuck open/closed
- Improper refrigerant flow
Symptoms
- AC not cooling properly
- Frost on evaporator
- Fluctuating cooling
Causes of Failure
- Contaminants in refrigerant
- Wear and tear
Impact on Car Performance
Inconsistent or no cooling.
DIY Fix Guide — Step by Step
- Not DIY friendly
- Requires professional inspection
Maintenance Tips
- Use proper refrigerant
- Regular AC servicing
Replacement Cost in India
Estimated range: ₹10,000 – ₹40,000
Where to Buy Online
When to Replace Expansion Valve
When AC cooling becomes inconsistent or valve fails.