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.