Reduction Gear Unit — Vinfast VF7
Category: Engine | Severity: medium | Cost: ₹30,000–₹1,20,000
What is Reduction Gear Unit?
Reduces high-speed motor output to usable wheel speed while increasing torque.
How Reduction Gear Unit Works
Uses gear ratios to convert motor RPM into torque suitable for driving wheels.
Why is Reduction Gear Unit Important?
Essential for efficient power delivery in EVs.
Common Problems
- Gear wear
- Lubrication issues
- Noise
Symptoms
- Grinding noise
- Reduced efficiency
- Vibration
Causes of Failure
- Poor lubrication
- Wear and tear
Impact on Car Performance
Reduced torque delivery and efficiency.
DIY Fix Guide — Step by Step
- Check oil levels
- Inspect for leaks
- Professional service
Maintenance Tips
- Regular oil change
- Monitor unusual sounds
Replacement Cost in India
Estimated range: ₹30,000 – ₹1,20,000
Where to Buy Online
When to Replace Reduction Gear Unit
When excessive wear or noise is observed.