A/C System Pressure Zone Classification - Gas Engine With Engine Driven Cooling Fan
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
A/C Performance Table - Gas Engine With Engine Driven Cooling Fan
| Ambient Air Temperature | Relative Humidity | Service Port Pressure | Maximum Left Center Discharge Air Temperature | |
|---|---|---|---|---|
| Low Side | High Side | |||
| 13-16°C (55-65°F) | 0-100% | 150-246 kPa (25-36 psi) | 730-1190 kPa (106-173 psi) | 12°C (54°F) |
| 19-24°C (66-75°F) | Below 40% | 150-280 kPa (22-41 psi) | 900-1390 kPa (131-202 psi) | 14°C (57°F) |
| Greater than 40% | 179-137 kPa (26-46 psi) | 990-1500 kPa (144-218 psi) | 16°C (61°F) | |
| 25-29°C (76-85°F) | Below 35% | 218-328 kPa (32-48 psi) | 1240-1640 kPa (180-238 psi) | 17°C (63°F) |
| 35-60% | 236-342 kPa (34-50 psi) | 1290-1680 kPa (187-244 psi) | 18°C (64°F) | |
| Above 60% | 250-365 kPa (36-53 psi) | 1340-1760 kPa (194-255 psi) | 20°C (68°F) | |
| 30-35°C (86-95°F) | Below 30% | 266-386 kPa (39-56 psi) | 1500-1940 kPa (218-282 psi) | 21°C (70°F) |
| 30-50% | 280-397 kPa (41-58 psi) | 1540-1990 kPa (224-289 psi) | 22°C (72°F) | |
| Above 50% | 330-430 kPa (44-62 psi) | 1600-2070 kPa (232-300 psi) | 24°C (75°F) | |
| 36-41°C (96-105°F) | Below 20% | 328-439 kPa (48-64 psi) | 1810-2240 kPa (263-325 psi) | 25°C (77°F) |
| 20-40% | 337-457 kPa (49-66 psi) | 1840-2290 kPa (267-332 psi) | 26°C (79°F) | |
| Above 40% | 355-474 kPa (52-69 psi) | 1890-2340 kPa (274-340 psi) | 27°C (81°F) | |
| 42-46°C (106-115°F) | Below 20% | 391-491 kPa (57-71 psi) | 2130-2500 kPa (309-363 psi) | 29°C (84°F) |
| Above 20% | 397-508 kPa (58-74 psi) | 2160-2550 kPa (313-370 psi) | 30°C (86°F) | |
| 47-49°C (116-120°F) | Below 30% | 451-552 kPa (65-80 psi) | 2420-2790 kPa (351-405 psi) | 33°C (92°F) |