Valve Plate — Nissan Gravite
Category: AC | Severity: high | Cost: ₹12,000–₹28,000
What is Valve Plate?
The valve plate controls the intake and discharge of refrigerant within the compressor.
How Valve Plate Works
It uses internal channels and ports to regulate refrigerant flow between pistons and external lines.
Why is Valve Plate Important?
Ensures proper refrigerant direction and pressure control.
Common Problems
- Warping
- Cracks
- Blockage
Symptoms
- Poor cooling
- Pressure imbalance
- Compressor inefficiency
Causes of Failure
- High pressure
- Overheating
- Contamination
Impact on Car Performance
Reduces cooling efficiency and causes pressure irregularities.
DIY Fix Guide — Step by Step
- Check cooling performance
- Inspect refrigerant pressure
- Avoid overcharging AC
- Replace compressor if faulty
Maintenance Tips
- Use clean refrigerant
- Regular AC servicing
Replacement Cost in India
Estimated range: ₹12,000 – ₹28,000
Where to Buy Online
When to Replace Valve Plate
Replace when compressor shows pressure imbalance.