Countershaft (Layshaft) — Nissan Gravite
Category: Transmission | Severity: high | Cost: ₹8,000–₹20,000
What is Countershaft (Layshaft)?
Countershaft holds gears that mesh with input shaft and output shaft gears.
How Countershaft (Layshaft) Works
Transfers rotational motion between input and output shafts via gear ratios.
Why is Countershaft (Layshaft) Important?
Enables different gear ratios for speed and torque control.
Common Problems
- Gear wear
- Bearing damage
Symptoms
- Grinding noise
- Gear slipping
Causes of Failure
- Poor lubrication
- High load
Impact on Car Performance
Reduces transmission efficiency and gear reliability.
DIY Fix Guide — Step by Step
- Check gear oil level
- Inspect gearbox noise
- Service transmission regularly
Maintenance Tips
- Regular oil change
- Avoid overloading
Replacement Cost in India
Estimated range: ₹8,000 – ₹20,000
Where to Buy Online
When to Replace Countershaft (Layshaft)
Replace if gear wear or bearing failure occurs.