Camshaft — Nissan Gravite
Category: Engine | Severity: high | Cost: ₹15,000–₹45,000
What is Camshaft?
The camshaft controls the opening and closing of intake and exhaust valves in synchronization with the crankshaft.
How Camshaft Works
Rotates via timing chain/belt and uses lobes to push valves open at precise intervals.
Why is Camshaft Important?
Ensures proper air-fuel intake and exhaust flow, directly impacting engine efficiency.
Common Problems
- Wear of cam lobes
- Timing issues
- Oil starvation damage
Symptoms
- Engine misfire
- Ticking noise
- Reduced performance
Causes of Failure
- Poor lubrication
- Timing belt failure
- High mileage wear
Impact on Car Performance
Incorrect valve timing can reduce power and increase fuel consumption significantly.
DIY Fix Guide — Step by Step
- Check engine oil level
- Listen for ticking noises
- Scan for engine codes
- Inspect timing system
- Consult mechanic
Maintenance Tips
- Use high-quality engine oil
- Regular oil changes
- Inspect timing components
Replacement Cost in India
Estimated range: ₹15,000 – ₹45,000
Where to Buy Online
When to Replace Camshaft
Replace if worn lobes, timing issues, or severe noise is detected.