Hyundai Sonata LF: Air Conditioning System / Refrigerant Line Components and Components Location

Compressor oil Repair procedures

Oil Specification 1. The R-134a system requires synthetic (ND8) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed...

Refrigerant Line Repair procedures

Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Remove the ECTS (Refer to "Removal"). 3. After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4. 4. Check that the resistance is within the specification...

Hyundai Sonata LF 2014-2019 Service Manual: Warning And Caution Labels

General Information 1. Radiator cap caution2. Fan caution3. Battery caution Attention SRS VehicleThis car is equipped with a supplemental restraint system. To provide continedreliablity, certain elements of the supplemental restraint system shallbe serviced or replaced by authorized dealer ten years after vehicle label...