In Service Bay
Connect manifold gauge set. Install thermometer in right center vent. Open doors and windows. Depress recirculate button. Set temperature lever to full cold position. Set blower speed to III. Depress A/C button and run engine for 3-5 minutes at 2000 RPM. Compare readings to A/C SYSTEM PERFORMANCE TEMPERATURE SPECIFICATIONS (IN SERVICE BAY) table and A/C SYSTEM PERFORMANCE PRESSURE SPECIFICATIONS (IN SERVICE BAY) table.
A/C SYSTEM PERFORMANCE TEMPERATURE SPECIFICATIONS (IN SERVICE BAY)
| Ambient Temp. °F (°C) | (1) Outlet Vent Temp. °F (°C) | ||
|---|---|---|---|
| 70 (21) | 40-48 (4.4-8.8) | ||
| 80 (27) | 42-49 (5.5-9.4) | ||
| 90 (32) | 43-50 (6.1-10) | ||
| 100 (38) | 50-56 (10-13) | ||
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A/C SYSTEM PERFORMANCE PRESSURE SPECIFICATIONS (IN SERVICE BAY)
| Ambient | High Side | Low Side |
|---|---|---|
| Temp. °F (°C) | psi (kg/cm2 ) | psi (kg/cm2 ) |
| 70 (21) | 115-170 (8.0-11.9) | 28-30 (1.8-2.1) |
| 80 (27) | 180-215 (12.6-15.1) | 23-28 (1.6-1.9) |
| 90 (32) | 225-270 (15.8-18.9) | 22-27 (1.5-1.8) |
| 100 (38) | 275-320 (19.3-22.4) | 23-27 (1.6-1.8) |