Gearbox Assembly — Toyota Fortuner Legender

Category: Transmission | Severity: high | Cost: ₹1,50,000–₹4,00,000

What is Gearbox Assembly?

Complete automatic transmission system housing gears and hydraulic systems.

How Gearbox Assembly Works

Automatically shifts gears using hydraulic pressure and electronic controls.

Why is Gearbox Assembly Important?

Ensures smooth power delivery and driving comfort.

Common Problems

Gear slipping
Delayed shifting

Symptoms

Hard shifting
Transmission warning light

Causes of Failure

Fluid contamination
Wear of internal components

Impact on Car Performance

Reduced drivability and possible vehicle breakdown.

DIY Fix Guide — Step by Step

Check ATF level
Scan for error codes

Maintenance Tips

Timely fluid replacement
Periodic inspection

Replacement Cost in India

Estimated range: ₹1,50,000 – ₹4,00,000

Where to Buy Online

When to Replace Gearbox Assembly

When major internal failure occurs.