A/C System Pressure - Zone Classification
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
A/C Performance Table
| Ambient Air Temperature | Relative Humidity | Service Port Pressure | Maximum Left Center Discharge Air Temperature | |
|---|---|---|---|---|
| Low Side | High Side | |||
| 13-18°C (55-65°F) | 0-100% | 158-254 kPa (23-37 psi) | 881-1288 kPa (128-187 psi) | 18°C (64°F) |
| 19-24°C (65-75°F) | Below 40% | 151-227 kPa (22-33 psi) | 923-1329 kPa (134-193 psi) | 15°C (59°F) |
| Above 40% | 172-275 kPa (25-40 psi) | 1047-1460 kPa (152-212 psi) | 20°C (68°F) | |
| 25-29°C (75-85°F) | Below 35% | 158-241 kPa (25-35 psi) | 1157-1481 kPa (168-215 psi) | 18°C (63°F) |
| 35-50% | 186-254 kPa (27-37 psi) | 1233-1522 kPa (179-221 psi) | 19°C (66°F) | |
| Above 50% | 199-282 kPa (29-41 psi) | 1281-1598 kPa (186-232 psi) | 23°C (72°F) | |
| 30-35°C (85-95°F) | Below 30% | 179-254 kPa (26-37 psi) | 1336-1667 kPa (194-242 psi) | 20°C (68°F) |
| 30-50% | 192-268 kPa (28-39 psi) | 1378-1708 kPa (200-248 psi) | 22°C (70°F) | |
| Above 50% | 213-296 kPa (31-43 psi) | 1440-1770 kPa (209-256 psi) | 24°C (75°F) | |
| 36-41°C (95-105°F) | Below 20% | 199-268 kPa (29-39 psi) | 1550-1867 kPa (225-271 psi) | 23°C (73°F) |
| 20-40% | 206-282 kPa (30-41 psi) | 1570-1887 kPa (228-274 psi) | 24°C (75°F) | |
| Above 40% | 220-296 kPa (32-43 psi) | 1612-1908 kPa (234-277 psi) | 25°C (77°F) | |
| 42-46°C (105-115°F) | Below 20% | 220-289 kPa (32-42 psi) | 1777-2053 kPa (258-298 psi) | 25°C (77°F) |
| Above 20% | 227-296 kPa (33-43 psi) | 1791-2060 kPa (260-299 psi) | 27°C (79°F) | |
| 47-49°C (115-120°F) | Below 30% | 248-310 kPa (36-45 psi) | 1970-2218 kPa (286-322 psi) | 28°C (82°F) |