Ventilated Disc — Renault Duster
Category: Brakes | Severity: high | Cost: ₹3,500–₹9,000
What is Ventilated Disc?
Ventilated brake discs use internal vanes to improve heat dissipation, commonly used in front brakes of Renault Duster.
How Ventilated Disc Works
Air flows through internal channels between disc surfaces to cool the rotor during braking.
Why is Ventilated Disc Important?
Prevents brake fade and overheating during heavy braking.
Common Problems
- Warping
- Cracks
- Uneven wear
Symptoms
- Steering vibration
- Reduced braking efficiency
- Noise
Causes of Failure
- Overheating
- Aggressive braking
- Low-quality pads
Impact on Car Performance
Damaged discs can increase braking distance by up to 25%.
DIY Fix Guide — Step by Step
- Inspect disc surface for grooves
- Check thickness
- Replace if below spec
- Ensure proper pad installation
Maintenance Tips
- Avoid sudden braking
- Use quality brake pads
- Regular inspection
Replacement Cost in India
Estimated range: ₹3,500 – ₹9,000
Where to Buy Online
When to Replace Ventilated Disc
Every 50,000–70,000 km or if warped/damaged.