Crankcase — Nissan Gravite
Category: AC | Severity: high | Cost: ₹15,000–₹35,000
What is Crankcase?
The crankcase houses the compressor’s internal moving parts and lubricating oil.
How Crankcase Works
It encloses the rotating assembly and maintains oil circulation.
Why is Crankcase Important?
Ensures lubrication and structural integrity of compressor internals.
Common Problems
- Oil leaks
- Cracks
- Contamination
Symptoms
- Oil stains
- Noise
- Reduced efficiency
Causes of Failure
- Seal failure
- Overheating
- Wear
Impact on Car Performance
Leads to lubrication failure and compressor damage.
DIY Fix Guide — Step by Step
- Check for oil leakage
- Inspect compressor housing
- Avoid running AC with low oil
- Replace if cracked
Maintenance Tips
- Maintain oil level
- Regular inspection
Replacement Cost in India
Estimated range: ₹15,000 – ₹35,000
Where to Buy Online
When to Replace Crankcase
Replace when oil leaks or cracks occur.