Expansion Valve — Aston Martin Vanquish

Category: AC | Severity: medium | Cost: ₹15,000–₹50,000

What is Expansion Valve?

Controls refrigerant flow into evaporator.

How Expansion Valve Works

Reduces pressure of refrigerant before entering evaporator.

Why is Expansion Valve Important?

Maintains correct cooling cycle pressure.

Common Problems

Valve blockage
Stuck open/closed

Symptoms

Uneven cooling
AC freezing
Low cooling

Causes of Failure

Debris
Moisture contamination

Impact on Car Performance

Inconsistent AC cooling.

DIY Fix Guide — Step by Step

Not DIY serviceable

Maintenance Tips

Use clean refrigerant

Replacement Cost in India

Estimated range: ₹15,000 – ₹50,000

Where to Buy Online

When to Replace Expansion Valve

When cooling becomes inconsistent.