Crankshaft — Audi Q3 Sportback
Category: Engine | Severity: high | Cost: ₹40,000–₹1,20,000
What is Crankshaft?
The crankshaft converts the linear motion of pistons into rotational motion.
How Crankshaft Works
It rotates as pistons move, transferring power to the drivetrain.
Why is Crankshaft Important?
Essential for engine power generation and movement.
Common Problems
- Bearing wear
- Crankshaft bending
- Oil starvation damage
Symptoms
- Engine knocking
- Low oil pressure
- Vibration
Causes of Failure
- Poor lubrication
- High mileage wear
- Contaminated oil
Impact on Car Performance
Failure leads to severe engine damage or complete breakdown.
DIY Fix Guide — Step by Step
- Check engine oil level
- Listen for knocking sound
- Inspect oil quality
- Avoid driving if knocking persists
- Consult mechanic immediately
Maintenance Tips
- Use high-quality oil
- Change oil regularly
- Avoid engine stress
Replacement Cost in India
Estimated range: ₹40,000 – ₹1,20,000
Where to Buy Online
When to Replace Crankshaft
Replace if damaged or causing knocking noise.