Hyundai Sonata: Maintenance / Scheduled Maintenance Services
Follow Normal Maintenance Schedule if the vehicle is usually operated where none of the following conditions apply. If any of the following conditions apply, you must follow the Maintenance Under Severe Usage Conditions.
- Repeated short distance driving.
- Driving in dusty conditions or sandy areas.
- Extensive use of brakes.
- Driving in areas where salt or other corrosive materials are used.
- Driving on rough or muddy roads.
- Driving in mountainous areas.
- Extended periods of idling or low speed operation.
- Driving for a prolonged period in cold temperatures and/or extremely humid climates.
- More than 50% driving in heavy city traffic during hot weather above 90°F (32°C).
For additional information or assistance see your authorized HYUNDAI dealer.
- Normal Maintenance Schedule (Gamma 1.6 T-GDI/Theta 2.0 T-GDI)
- Maintenance Under Severe Usage Conditions (Gamma 1.6 T-GDI/Theta 2.0 T-GDI)
- Severe Driving Conditions
- Normal Maintenance Schedule (Theta 2.4 GDI)
- Maintenance Under Severe Usage Conditions (Theta 2.4 GDI)
Owner Maintenance Schedule
When you stop for fuel:
Check the engine oil level.
Check coolant level in the engine coolant reservoir.
Check the windshield washer fluid level.
Check for low or under-inflated tires.
WARNING
B ...
Normal Maintenance Schedule (Gamma 1.6 T-GDI/Theta 2.0 T-GDI)
I : Inspect : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Fuel Tank Repair procedures
Removal
1.
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - "Release Residual Pressure in Fuel Line")
2.
Remove the rear seat cushion.
(Refer to Body - "Rear Seat Assembly")
3.
Remove the fuel pump service cover (A) in the trunk.
4.
Disconnect the f ...
Hyundai Sonata LF 2014-2019 Service Manual: Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal
1.
Disconnect the PCV hose (A).
2.
Remove the PCV valve (B).
Inspection
1.
Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger moves.
If the plunger does not move (PCV valve is clogged), clean or replace the val ...
