Hyundai Sonata: Scheduled Maintenance Services / Maintenance Under Severe Usage Conditions (Theta 2.4 GDI)
The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals.
R : Replace
I : Inspect and, after inspection, clean, adjust, repair or replace if necessary
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Normal Maintenance Schedule (Theta 2.4 GDI)
I : Inspect : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
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Explanation of Scheduled Maintenance Items
Engine Oil and Filter
The engine oil and filter should be changed at the intervals specified in the
maintenance schedule. If the car is being driven in severe conditions, more frequent
oil and filte ...
Other information:
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 ...
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.)
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