Hyundai Sonata LF 2014-2019 Service Manual: Cylinder Head Repair procedures
Removal
Engine removal is not required for this procedure.
•
Use fender covers to avoid damaging painted surfaces.
•
To avoid damaging the cylinder head, wait until the engine
coolant temperature drops below normal temperature before removing it.
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Hyundai Sonata LF 2014-2019 Service Manual: A/C Pressure Transducer Description and Operation
Description
The A/C Pressure Transducer (APT) converts the pressure value
of high pressure line into voltage value after measuring it. By
converted voltage value, engine ECU controls the cooling fan by
operating it high speed or low speed. Engine ECU stops the operation of
the compressor ...