Section 49 (Manual A/C-Heater Systems): Operation: Compressor
WARNING: This page is about a different car, the 2002 Mercury Villager. However, it is still accessible from the selected car via links, so may be relevant.
When compressor clutch is energized, compressor pumps refrigerant and refrigerant oil through A/C system. Suction and discharge manifolds, mounted at rear of compressor, are secured by a single bolt. High pressure relief valve is located in discharge line.