Hyundai Sonata LF 2014-2019 Service Manual: Water Temperature Control Assembly Repair procedures
Removal and Installation
1.
Loosen the drain plug, and drain the engine coolant. Remove the radiator cap to drain with speed.
2.
Disconnect the battery negative terminal.
3.
Remove the air cleaner assembly.
(Refer to Intake and exhaust system - "Air Cleaner")
4.
Disconnect the wate ...
Hyundai Sonata LF 2014-2019 Owners Manual: Scheduled Maintenance Services
Follow Normal Maintenance Schedule if the vehicle is usually operated where none
of the following conditions apply. If any of the following conditions apply, you
must follow the Maintenance Under Severe Usage Conditions.
Repeated short distance driving.
Driving in dusty conditions or sandy area ...