Low Pressure Line — Nissan Gravite
Category: AC | Severity: high | Cost: ₹1,500–₹6,000
What is Low Pressure Line?
Carries low-pressure refrigerant from evaporator back to the compressor.
How Low Pressure Line Works
Returns cooled refrigerant vapor for recompression.
Why is Low Pressure Line Important?
Completes refrigerant cycle.
Common Problems
- Leakage
- Cracks
- Loose fittings
Symptoms
- Weak cooling
- Gas loss
Causes of Failure
- Wear
- Vibration
- Aging rubber
Impact on Car Performance
Reduces cooling efficiency due to refrigerant loss.
DIY Fix Guide — Step by Step
- Inspect hoses
- Check clamps
- Replace damaged line
Maintenance Tips
- Regular inspection
- Avoid bending pipes
Replacement Cost in India
Estimated range: ₹1,500 – ₹6,000
Where to Buy Online
When to Replace Low Pressure Line
Replace when leaking or cracked.