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.