Compressor Assembly On-Vehicle Inspection

Install manifold gauge set (1) as shown in figure.
Close Hi (4) and Lo (5) side valves.

Fig 1: Identifying Manifold Gauge Set
Courtesy of SUZUKI OF AMERICA CORP.
Run engine at fast idle.
Check compressor for the following items.
If defect is found, repair compressor.
- High pressure gauge reading is not low and low pressure gauge reading is not higher than normal.
- Metallic sound
- Leakage from compressor