A/C Compressor Block Fitting & Shaft Seal Leak Detection

1. Blow compressed air into the following locations for at least 15 seconds:
^ Behind the A/C compressor clutch/pulley
^ In front of the A/C compressor clutch/pulley
2. Wait 1-2 minutes.
3. Probe the area in front of the pulley.
4. Probe the area behind the pulley.
5. A solid alarm from the detector indicates a leak.