| Components | 

| 1. Front door trim 2. Front door belt inside weatherstrip 3. Front door module 4. Front door quadrant inner cover 5. Front door panel | 6. Front door side impact pad 7. Front door belt outside weatherstrip 8. Front door body side weatherstrip 9. Front door side weatherstrip 10. Front door hinge | 
 Front Door
Front Door Repair procedures
Repair proceduresHyundai Elantra AD (2016-2020) Service Manual: Brake Booster Repair procedures
   Brake Booster Operating Test 
For simple checking of the brake booster operation, carry out the following tests.
1.
Run the engine for one or two minutes, and then stop it. If 
the pedal depresses fully the first time but gradually becomes higher 
when depressed succeeding times, the booster  ...
   
Hyundai Elantra AD (2016-2020) Service Manual: Torque Converter Control Solenoid Valve (T/CON_VFS) Repair procedures
   Inspection
1.
Turn ignition switch OFF. 
2.
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery") 
3.
Disconnect the solenoid valve connector (A). 
4.
Measure resistance between sensor signal terminal and sensor ground terminal. 
5.
Check that the  ...