Hyundai Elantra (CN7): Engine Mechanical System / Lubrication System

Components and components location Components1. Water pump pulley2. Water pump 3. Water pump gasket Repair procedures Removal1.Remove the engine room under cover.

Components1. Variable oil pump2. Variable oil pump sproket3. Oil Pressure & temperature sensor4. Oil filter5. Filter cap O-ring6. Filter cap7. Safety pin8.

Other information:

Hyundai Elantra (CN7) 2021-2026 Service Manual: Compressor oil

Repair procedures Oil Specification1.The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.2.Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.

Hyundai Elantra (CN7) 2021-2026 Service Manual: Ambient Temperature Sensor

Description and operation DescriptionThe ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.

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