Air Conditioning (A/C) Compressor.

Courtesy of VOLVO CARS CORPORATION

The air conditioning (A/C) compressor transports refrigerant, which is necessary for air conditioning (A/C) operation. It is an axial piston compressor with variable displacement. I.E. The compressor has adjustable cylinder displacement which is controlled by a check valve (solenoid). The valve, which is underneath the compressor, can be replaced.

The A/C compressor is mounted on the cylinder block and is driven by the engine's crankshaft via the auxiliaries belt.

For further information, see DESIGN AND FUNCTION, CLIMATE CONTROL MODULE (CCM) .