Crankshaft — Audi Q3
Category: Engine | Severity: high | Cost: ₹40,000–₹1,20,000
What is Crankshaft?
The crankshaft converts the up-and-down motion of pistons into rotational motion.
How Crankshaft Works
It rotates as pistons move, transmitting power to the drivetrain.
Why is Crankshaft Important?
It is essential for engine operation and power delivery.
Common Problems
- Wear
- Bent shaft
- Bearing failure
Symptoms
- Engine vibration
- Knocking noise
- Low oil pressure
Causes of Failure
- Poor lubrication
- Excess load
- Manufacturing defects
Impact on Car Performance
Failure leads to total engine breakdown.
DIY Fix Guide — Step by Step
- Check engine oil regularly
- Listen for abnormal noise
- Inspect oil pressure warning
- Avoid high RPM driving if issues occur
Maintenance Tips
- Use correct engine oil
- Regular servicing
- Avoid over-revving
Replacement Cost in India
Estimated range: ₹40,000 – ₹1,20,000
Where to Buy Online
When to Replace Crankshaft
Replace when excessive wear or bending is detected.