Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Cooling Fan Repair procedures
Removal and Installation
Cooling Fan Assembly
1.
Disconnect the battery terminals.
2.
Remove the under cover.
(Refer to Engine And Transaxle Assembly - "Engine Room Under Cover")
3.
Disconnect the air duct(A).
4.
Disconnect the coolingfan connector(A).
5.
Disconnect the vacuum ...
Hyundai Sonata LF 2014-2019 Owners Manual: Severe Driving Conditions
A- Repeatedly driving short distances of less than 5 miles (8 km) in normal temperature
or less than 10 miles (16 km) in freezing temperature
B- Extensive engine idling or low speed driving for long distances
C-Driving on rough, dusty, muddy, unpaved, graveled or saltspread roads
D-Driving in areas ...