Hyundai Sonata LF: Engine Mechanical System / Lubrication System

Hyundai Sonata LF 2014-2019 Service Manual / 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: Occupant Classification Sensor (OCS) Repair procedures


Removal OCS ECU 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the front passenger seat assembly. (Refer to Body - "Front Seat Assembly") 3. Disconnect the OCS ECU connector (A)...

Hyundai Sonata LF 2014-2019 Service Manual: General Information


General 1. Basically, all measurements in this manual are taken with a tracking gauge. 2. When a measuring tape is used, check to be sure there is no elongation, twisting or bending. 3. For measuring dimensions, both projected dimension and actual-measurement dimension are used in this manual...

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