Hyundai Elantra: Emission Control System / Evaporative Emission Control System

Positive Crankcase Ventilation (PCV) Valve Repair procedures

Removal 1. Disconnect the vapor 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 move ...

Description and Operation

Description The Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passes thro ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Service information
If the remaining mileage or time reaches 900 miles (1,500 km) or 30 days, the service symbol () will blink for several seconds each time you set the ignition switch or Engine Start/Stop button to the ON position. Information To change or deactivate the service interval, consult an authoriz ...

Hyundai Elantra AD (2016-2020) Service Manual: Cylinder Head Repair procedures
Removal Engine removal is not required for this procedure.     • Use fender covers to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature (20°C [68°F]) before removin ...