Brake Fluid (DOT3/DOT4) — Nissan Gravite
Category: Brakes | Severity: high | Cost: ₹500–₹2,000
What is Brake Fluid (DOT3/DOT4)?
Brake fluid is a hydraulic fluid used to transfer force from the brake pedal to braking components.
How Brake Fluid (DOT3/DOT4) Works
Fluid transmits pressure through sealed lines to activate braking components.
Why is Brake Fluid (DOT3/DOT4) Important?
Ensures efficient force transfer and heat resistance.
Common Problems
- Moisture contamination
- Boiling
- Degradation
Symptoms
- Brake fade
- Soft pedal
- Reduced braking
Causes of Failure
- Water absorption
- Overheating
- Old fluid
Impact on Car Performance
Degraded fluid reduces braking efficiency significantly.
DIY Fix Guide — Step by Step
- Check fluid level
- Inspect color
- Flush and replace if dark
Maintenance Tips
- Replace every 2 years
- Use correct DOT rating
Replacement Cost in India
Estimated range: ₹500 – ₹2,000
Where to Buy Online
When to Replace Brake Fluid (DOT3/DOT4)
Every 2 years or 30,000 km.