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: CVVT & Camshaft Components and Components Location

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Hyundai Sonata LF 2014-2019 Service Manual: Drive Belt Repair procedures

Removal 1. Disconnect the battery negative terminal. 2. Loosen the alternator tension adjusting bolt (A) to loosen tension. 3. Remove the drive belt (A). Inspection Drive Belt Inspection Visually check the belt for excessive wear, frayed cords etc...