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 ...

Other materials:

Engine Oil
Checking Oil Level To assure proper engine lubrication, the engine oil must be maintained at the correct level. Check the oil level at regular intervals, such as every month. The best time to check the engine oil level is about five minutes after a fully warmed up engine is shut off. Checking ...