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: Relay Box (Passenger Compartment) Repair procedures

Fuse Inspection 1. Be sure there is no play in the fuse holders, and that the fuses are held securely. 2. Are the fuse capacities for each circuit correct? 3. Are there any blown fuses?     If a fuse is to be replaced, be sure to use a new fuse of the same capacity...

Hyundai Sonata LF 2014-2019 Service Manual: Temperature Control Actuator Description and Operation

Description The temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. The signal from the control unit adjusts the position of the temperature door by operating the temperature switch...