Nissan Sentra Service Manual: Noise

Refrigeration system symptoms

Trouble diagnosis for unusual pressure Diagnose using a manifold gauge whenever system’s high and/or low side pressure(s) is/are unusual. The marker above the gauge scale in the following ta ...

Periodic maintenance

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Other materials:

Performance test
Inspection INSPECTION PROCEDURE Connect recovery/recycling/recharging equipment (for HFC-134a) or manifold gauge. Start the engine, and set to the following condition. Test condition Maintain test condition until A/C system becomes stable. (Approximately 10 minutes) Check t ...

Maintenance precautions
When performing any inspection or maintenance work on your vehicle, always take care to prevent serious accidental injury to yourself or damage to the vehicle. The following are general precautions which should be closely observed. WARNING Park the vehicle on a level surface, apply ...

OIL
Description MAINTENANCE OF OIL LEVEL The compressor oil is circulating in the system together with the refrigerant. It is necessary to fill compressor with oil when replacing A/C system parts or when a large amount of refrigerant leakage is detected. It is important to always maintain oil l ...