Diesel Data: Automotive Repair

Compressor HVAC: Testing and Inspection

(Compressor)
1. INSTALL MANIFOLD GAUGE SET

2. START ENGINE

3. INSPECT COMPRESSOR FOR METALLIC SOUND
Check that there is a metallic sound from the compressor when the A/C switch is turn on.
If metallic sound is heard, replace the compressor assembly.

4. INSPECT PRESSURE OF REFRIGERATION SYSTEM
See - Refrigerant System Inspection with Manifold Gauge Set.

5. STOP ENGINE

6. INSPECT VISUALLY FOR LEAKAGE OF REFRIGERANT FROM SAFETY SEAL
If there is any leakage, replace the compressor assembly.