Hyundai Elantra: Evaporative Emission Control System / Fuel Tank Air Filter Repair procedures

Removal
1.
Turn ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Remove the canister assembly.
(Refer to Emission Control System - "Canister")
3.
Remove the installation bolt (A), and then remove the air filter (B).

4.
Release the lever (A), and then separate the canister close valve (B) from the fuel tank air filter after rotating it in the direction of the arrow in the figure.

5.
Install a new fuel tank air filter in accordance with the reverse order.
Installation
1.
Installation is the reverse of removal.
Fuel Filler Cap Description and Operation
Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler cap and t ...

Exhaust Emission Control System
...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Description and Operation
Description It's a system that uses illumination sensor to automatically turn ON the tail lamp and head lamp based on the change in surrounding environment's illumination condition. It activates when the vehicle enters/exits tunnel, or when the illumination condition in surrounding enviro ...

Hyundai Elantra AD (2016-2020) Owners Manual: Winter Precautions
Use high quality ethylene glycol coolant Your vehicle is delivered with high quality ethylene glycol coolant in the cooling system. It is the only type of coolant that should be used because it helps prevent corrosion in the cooling system, lubricates the water pump and prevents freezing. Be ...

© 2018-2025 www.helantraad.com