Expansion Valve for Aston Martin DBX — Price, Symptoms & Replacement Guide
Category: AC | Failure Severity: Medium | Replacement Cost in India: ₹10,000–₹40,000
What is the Expansion Valve?
Controls the flow of refrigerant into the evaporator.
How the Expansion Valve Works
It reduces refrigerant pressure and regulates flow based on cooling demand.
Why the Expansion Valve is Important
Ensures proper cooling efficiency and prevents system damage.
Common Problems with the Expansion Valve
- Valve blockage
- Stuck open/closed
- Improper refrigerant flow
Warning Symptoms of a Failing Expansion Valve
- AC not cooling properly
- Frost on evaporator
- Fluctuating cooling
Common Causes of Expansion Valve 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
Expansion Valve Replacement Cost in India
Expect to pay between ₹10,000 and ₹40,000 for genuine parts plus labour at an authorised Aston Martin workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy Expansion Valve Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Expansion Valve listings.
When to Replace the Expansion Valve
When AC cooling becomes inconsistent or valve fails.