The temperature will increase by turning the knob to the right.
The temperature will decrease by turning the knob to the left.
Hyundai Elantra AD (2016-2020) Service Manual: Cooling Fan Repair procedures
Removal and Installation
Cooling fan assembly
1.
Disconnect the battery negative terminal.
2.
Remove the air duct and air cleaner assembly.
(Refer to Intake and Exhaust System - "Air Cleaner")
3.
Disconnect the over flow hose (A).
4.
Remove the filler neck assembly (A).
Tighteni ...
Hyundai Elantra AD (2016-2020) Service Manual: Variable Charge Motion Actuator (VCMA) Description and Operation
Description
The Variable Charge Motion Actuator (VCMA) is installed on the inlet of the intake manifold.
It consists of a DC motor which actuates the VCM valve and a position sensor which detects the position of the VCM valve.
The VCM system tumbles air flow entering into combustion
chambe ...