Brake Drum — Nissan Gravite
Category: Brakes | Severity: medium | Cost: ₹2,000–₹6,000
What is Brake Drum?
Brake drum is a cylindrical component that rotates with the wheel and provides an internal friction surface for brake shoes.
How Brake Drum Works
Brake shoes expand outward against the inner surface of the rotating drum to create friction and slow the vehicle.
Why is Brake Drum Important?
Essential for rear braking and parking brake functionality.
Common Problems
- Drum wear
- Out-of-round shape
- Heat cracks
Symptoms
- Rear brake noise
- Reduced braking efficiency
- Vibration
Causes of Failure
- Heat buildup
- Poor maintenance
- Overloading
Impact on Car Performance
Worn drums reduce braking efficiency by 15–25%.
DIY Fix Guide — Step by Step
- Inspect drum surface
- Check for grooves
- Measure diameter
- Replace if worn
Maintenance Tips
- Clean regularly
- Avoid overheating
- Check during service
Replacement Cost in India
Estimated range: ₹2,000 – ₹6,000
Where to Buy Online
When to Replace Brake Drum
Replace every 60,000–80,000 km or when diameter exceeds limits.