Jeep Cherokee (XJ): Diagnosis and testing

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Cooling system DESCRIPTION The cooling system regulates engine operating temperature. It allows the engine to reach normal operating temperature as quickly as possible, maintains normal operatin ...

Next pageOn-board diagnostics (OBD). Accessory drive belt diagnosis. Preliminary checks

On-board diagnostics (OBD) COOLING SYSTEM RELATED DIAGNOSTICS The Powertrain Control Module (PCM) has been programmed to monitor the certain following cooling system components:  If the en ...

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Service procedures
Refrigerant oil level When an air conditioning system is assembled at the factory, all components except the compressor are refrigerant oil free. After the refrigerant system has been charged and operated, the refrigerant oil in the compressor is dispersed throughout the refrigerant system. The ...