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Home >> Volvo >> 2009 >> V70 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Differential Electronic Module (DEM), Driver Information Module (Dim), Engine And Engine Control Module (ECM) - Design And Function >> Engine Control Module (ECM) (B6324S2; 2010) >> Design >> Air Conditioning (A/C) Compressor.
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Air Conditioning (A/C) Compressor.

Fig 1: Identifying (A/C) Compressor
GLL150069Courtesy 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.