Transmission Gearbox — Volvo XC90
Category: Transmission | Severity: high | Cost: ₹2,50,000–₹6,00,000
What is Transmission Gearbox?
8-speed automatic gearbox that transfers engine power to wheels.
How Transmission Gearbox Works
Uses planetary gear sets and hydraulic control to shift gears automatically.
Why is Transmission Gearbox Important?
Ensures smooth acceleration, fuel efficiency, and driving comfort.
Common Problems
- Gear slipping
- Delayed shifting
- Transmission overheating
Symptoms
- Jerky gear shifts
- RPM fluctuation
- Vehicle hesitation
Causes of Failure
- Low transmission fluid
- Worn internal gears
- Valve body issues
Impact on Car Performance
Severely affects drivability and fuel efficiency.
DIY Fix Guide — Step by Step
- Check transmission fluid level
- Scan for error codes
Maintenance Tips
- Regular fluid replacement
- Avoid aggressive driving
Replacement Cost in India
Estimated range: ₹2,50,000 – ₹6,00,000
Where to Buy Online
When to Replace Transmission Gearbox
When shifting becomes inconsistent or gearbox fails completely.