O-Rings — Nissan Gravite

Category: AC | Severity: medium | Cost: ₹200–₹1,000

What is O-Rings?

Sealing rings used in AC joints to prevent refrigerant leakage.

How O-Rings Works

Compresses between connections to create airtight seal.

Why is O-Rings Important?

Prevents refrigerant leaks.

Common Problems

Wear
Cracking
Hardening

Symptoms

Gas leak
Oil residue

Causes of Failure

Heat
Aging
Improper installation

Impact on Car Performance

Causes refrigerant loss.

DIY Fix Guide — Step by Step

Inspect joints
Replace worn O-rings
Lubricate before install

Maintenance Tips

Always replace during servicing

Replacement Cost in India

Estimated range: ₹200 – ₹1,000

Where to Buy Online

When to Replace O-Rings

Replace whenever AC system is opened.