Brake Fluid (DOT 4) — Renault Duster
Category: Brakes | Severity: high | Cost: ₹500–₹2,000
What is Brake Fluid (DOT 4)?
Brake fluid transmits hydraulic force from pedal to braking components.
How Brake Fluid (DOT 4) Works
Fluid pressure transfers force through brake lines to calipers and wheel cylinders.
Why is Brake Fluid (DOT 4) Important?
Essential for proper braking response and safety.
Common Problems
- Contamination
- Moisture absorption
- Fluid degradation
Symptoms
- Soft pedal
- Reduced braking
- Brake fade
Causes of Failure
- Old fluid
- Leaks
- Moisture ingress
Impact on Car Performance
Boiling fluid reduces braking efficiency significantly.
DIY Fix Guide — Step by Step
- Check fluid level
- Inspect color
- Flush old fluid
- Refill with DOT4
Maintenance Tips
- Replace every 2 years
- Use recommended fluid
Replacement Cost in India
Estimated range: ₹500 – ₹2,000
Where to Buy Online
When to Replace Brake Fluid (DOT 4)
Every 2 years or when contaminated.