Hyundai Sonata LF: Engine Mechanical System / Lubrication System

Thermostat Troubleshooting

Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the thermostat gasket Check the mounting bolts • Check the torque of the mounting bolts • Retighten the bolts and check leakage again...

Engine Oil Repair procedures

Replacement     • Prolonged and repeated contact with mineral oil will result in the removal of natural fats from the skin, leading to dryness, irritation and dermatitis...

Other information:

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...

Hyundai Sonata LF 2014-2019 Service Manual: High Mounted Stop Lamp Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the rear package tray trim. (Refer to Body - "Rear Package Tray Trim") 3. Remove the high mounted stop lamp after disengaging the mounting clip. Installation 1. Install the rear high mounted stop lamp...