Vacuum Brake Booster — Renault Duster

Category: Brakes | Severity: high | Cost: ₹4,000–₹12,000

What is Vacuum Brake Booster?

Brake booster reduces pedal effort using vacuum assistance.

How Vacuum Brake Booster Works

Uses engine vacuum to amplify force applied to master cylinder.

Why is Vacuum Brake Booster Important?

Improves braking comfort and efficiency.

Common Problems

Vacuum leak
Hard pedal
Booster failure

Symptoms

Hard brake pedal
Poor braking response

Causes of Failure

Diaphragm damage
Vacuum hose leak

Impact on Car Performance

Requires higher effort, reducing braking efficiency.

DIY Fix Guide — Step by Step

Check vacuum hose
Inspect diaphragm
Test pedal feel
Replace if faulty

Maintenance Tips

Check hoses regularly

Replacement Cost in India

Estimated range: ₹4,000 – ₹12,000

Where to Buy Online

When to Replace Vacuum Brake Booster

When pedal becomes hard or booster leaks.