Reed Valves — Nissan Gravite
Category: AC | Severity: high | Cost: ₹10,000–₹25,000
What is Reed Valves?
Reed valves act as one-way valves to control refrigerant flow within the compressor.
How Reed Valves Works
They open and close based on pressure differences during piston movement.
Why is Reed Valves Important?
Prevents backflow and maintains compression efficiency.
Common Problems
- Wear
- Sticking
- Breakage
Symptoms
- Reduced cooling
- Compressor noise
- Backflow issues
Causes of Failure
- Metal fatigue
- Contamination
- Overheating
Impact on Car Performance
Causes loss of compression and inefficient cooling.
DIY Fix Guide — Step by Step
- Check AC cooling output
- Inspect compressor sound
- Ensure refrigerant purity
- Replace compressor if damaged
Maintenance Tips
- Use proper refrigerant
- Avoid moisture contamination
Replacement Cost in India
Estimated range: ₹10,000 – ₹25,000
Where to Buy Online
When to Replace Reed Valves
Replace when compressor loses efficiency.