Crankshaft — MG Motor Majestor
Category: Engine | Severity: high | Cost: ₹20,000–₹80,000
What is Crankshaft?
The crankshaft converts the reciprocating motion of pistons into rotational motion to drive the vehicle.
How Crankshaft Works
It rotates as pistons move up and down, transferring energy to the transmission.
Why is Crankshaft Important?
Essential for engine power transmission and smooth operation.
Common Problems
- Wear
- Cracks
- Bearing failure
Symptoms
- Engine vibration
- Knocking noise
- Oil pressure drop
Causes of Failure
- Poor lubrication
- High mileage
- Overloading
Impact on Car Performance
Failure can cause total engine breakdown.
DIY Fix Guide — Step by Step
- Check engine oil
- Listen for knocking sounds
- Inspect oil pressure warning
- Consult mechanic immediately
Maintenance Tips
- Use quality oil
- Regular servicing
- Avoid over-revving
Replacement Cost in India
Estimated range: ₹20,000 – ₹80,000
Where to Buy Online
When to Replace Crankshaft
Replace when cracked or heavily worn.