Hyundai Sonata LF: Engine Mechanical System / Cooling System

Cylinder Block Repair procedures

Removal Engine removal is required for this procedure. (Refer to Engine and transaxle assembly removal in this group) 1. MT : Remove the flywheel...

Coolant Repair procedures

Replacement And Air Bleeding     Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Mode Control Actuator Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the mode control actuator connector. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4. Verify that the mode control actuator operates to the vent mode when connected in reverse...

Hyundai Sonata LF 2014-2019 Service Manual: Heater Unit Repair procedures

Replacement     When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage. 1. Disconnect the negative (-) battery terminal...