Brake Booster — Volvo XC90
Category: Brakes | Severity: high | Cost: ₹20,000–₹70,000
What is Brake Booster?
Vacuum-assisted component that reduces the effort needed to apply brakes.
How Brake Booster Works
Uses engine vacuum or electric assist to amplify pedal force.
Why is Brake Booster Important?
Improves braking comfort and reduces driver effort.
Common Problems
- Vacuum leak
- Booster failure
Symptoms
- Hard brake pedal
- Hissing sound
- Reduced braking power
Causes of Failure
- Vacuum hose damage
- Internal diaphragm failure
Impact on Car Performance
Increased effort required to stop the vehicle.
DIY Fix Guide — Step by Step
- Check vacuum hose connections
Maintenance Tips
- Inspect hoses regularly
- Check for unusual noises
Replacement Cost in India
Estimated range: ₹20,000 – ₹70,000
Where to Buy Online
When to Replace Brake Booster
When pedal becomes hard or braking assist fails.