Rocker Arm — Nissan Gravite
Category: Engine | Severity: medium | Cost: ₹5,000–₹15,000
What is Rocker Arm?
Rocker arms transfer camshaft motion to open and close valves.
How Rocker Arm Works
Acts as a lever between camshaft and valves.
Why is Rocker Arm Important?
Ensures smooth valve operation.
Common Problems
- Wear
- Noise
- Misalignment
Symptoms
- Ticking noise
- Valve issues
Causes of Failure
- Poor lubrication
- Wear and tear
Impact on Car Performance
Affects valve timing and engine smoothness.
DIY Fix Guide — Step by Step
- Check oil level
- Listen for ticking
- Inspect valve cover
- Consult mechanic
Maintenance Tips
- Regular oil changes
Replacement Cost in India
Estimated range: ₹5,000 – ₹15,000
Where to Buy Online
When to Replace Rocker Arm
Replace if worn or noisy.