Coolant Expansion Tank — Renault Duster

Category: Cooling | Severity: medium | Cost: ₹1,500–₹4,000

What is Coolant Expansion Tank?

Stores excess coolant and maintains pressure balance.

How Coolant Expansion Tank Works

Expands coolant volume during heating and returns it when cooled.

Why is Coolant Expansion Tank Important?

Prevents coolant overflow and air entry.

Common Problems

Symptoms

Causes of Failure

Impact on Car Performance

Coolant loss and overheating risk.

DIY Fix Guide — Step by Step

Maintenance Tips

Replacement Cost in India

Estimated range: ₹1,500 – ₹4,000

Where to Buy Online

    When to Replace Coolant Expansion Tank

    Replace if cracked or leaking.