A/C System Performance
WARNING: This page is about a different car, the 1996 Ford Ranger and 1996 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- Park vehicle out of direct sunlight. Connect manifold gauge set to service valves. Close all doors and windows. Insert thermometer in center vent.
- Place A/C-heater control panel at recirculated air mode and highest blower speed setting. Operate engine at 1500 RPM for 10 minutes to allow A/C system to stabilize.
- Temperature at center vent must be within 35-49°F (1.7-9.4°C). Ensure high side pressure is within specifications. See A/C SYSTEM HIGH SIDE PRESSURE SPECIFICATIONS table. Low side pressure must remain constant at 22-50 psi (1.5-3.5 kg/cm) throughout normal operating range.
A/C SYSTEM HIGH SIDE PRESSURE SPECIFICATIONS
| Ambient Temp. °F (°C) | psi (kg/cm) |
|---|---|
| 60 (16) | 120-210 (8.4-14.8) |
| 70 (21) | 140-220 (9.8-15.5) |
| 80 (27) | 160-250 (11.2-17.6) |
| 90 (32) | 180-270 (12.7-18.9) |