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

Water pump Troubleshooting

Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the bleed hole of the water pump Visually check • Check leaks after about ten-minute warming up...

Thermostat Repair procedures

Removal     Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. 1. Drain engine coolant so that its level would be under the thermostat height...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Ambient Temperature Sensor (ATS) Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the ATS connector. 3. Measure resistance between the ATS terminals 1 and 2 [B1/S1]. 4. Check that the resistance is within the specification. Specification: Refer to "Specification" Removal 1...

Hyundai Sonata LF 2014-2019 Service Manual: Stop Lamp Switch Troubleshooting

Troubleshooting 1. Part diagnosis Items Cause Symptom Switch fuse Faulty fuse connection, Damaged fuse - DTC Code : P0504 - Symptom : Shifting gear trouble, Starting failure, Cruise control function cancelation trouble, EPB function cancelation trouble, Stop lamp lighting trouble, ESP OFF light illuminated...