Hyundai Sonata LF: Cooling System / Radiator Components and Components Location

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...

Radiator Repair procedures

Removal and Installation 1. Remove the cooling fan. (Refer to Cooling System - "Cooling Fan") 2. Loosen the drain plug, and drain the coolant...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: 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. Check the gasket for damage • Check gasket or seal for damage • Replace gaskets and reuse the thermostat...

Hyundai Sonata LF 2014-2019 Service Manual: DCT Control Module (TCM) Repair procedures

Inspection Transmission Control Module (TCM) Inspection Procedure 1. Inspecting TCM ground circuit: Measure the resistance between the TCM and chassis ground. (Check the terminal connected to the chassis ground while using the back of the harness connector as the base point for TCM...