Helical Gears — Nissan Gravite
Category: Transmission | Severity: medium | Cost: ₹5,000–₹15,000
What is Helical Gears?
Helical gears are angled gears used for smooth and quiet power transmission.
How Helical Gears Works
Teeth engage gradually, reducing noise and vibration compared to spur gears.
Why is Helical Gears Important?
Ensures smooth gear engagement.
Common Problems
- Wear
- Tooth damage
Symptoms
- Noise
- Gear slipping
Causes of Failure
- Poor lubrication
- High load
Impact on Car Performance
Impacts transmission smoothness.
DIY Fix Guide — Step by Step
- Check for noise
- Inspect gearbox
- Replace worn gears
Maintenance Tips
- Use proper lubrication
Replacement Cost in India
Estimated range: ₹5,000 – ₹15,000
Where to Buy Online
When to Replace Helical Gears
Replace when teeth are damaged.