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: Battery Sensor Description and Operation

Description Vehicles have many control units that use more electricity. These units control their own system based on information from diverse sensors. It is important to have a stable power supply as there diverse sensors giving a variety of information...

Hyundai Sonata LF 2014-2019 Service Manual: High Pressure Fuel Pump Repair procedures

Removal     Whenever the high pressure fuel pump, fuel pipe, deliverypipe, or injector is removed immediately after shutting offthe engine, an injury may be caused by the release ofhighly pressurized fuel. Release the residual pressure inthe high pressure fuel line by referring to the "Residualfuel pressure release procedure" before removingany high pressure fuel system components...