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

Hyundai Elantra (CN7) 2021-2025 Service Manual / Emission Control System / Evaporative Emission Control System / Fuel Tank Air Filter

Repair procedures

Removal

1.	Turn the ignition switch OFF and disconnect the negative (-) battery cable.

2.	Disconnect the vent hose (A).

3.	Remove the fuel tank air filter (A) by rotating it 30 degrees.

Installation

1.	Install in the reverse order of removal.

Fuel Filler Cap

Description and operation DescriptionA ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which would seal the fuel filler...

Exhaust Emission Control System

Other information:

Hyundai Elantra (CN7) 2021-2025 Service Manual: Engine And Transaxle Assembly

Repair procedures Removal • Use fender covers to avoid damaging painted surfaces.• To avoid damage, unplug the wiring connectors carefully while holding the connector portion. • Mark all wiring connector and hoses to avoid misconnection.1.Disconnect the negative battery terminal.2.Remove ..

Hyundai Elantra (CN7) 2021-2025 Service Manual: Description and operation

DescriptionEmissions Control System consists of three major systems.• Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere. This system recycles gas back into the intake manifold (Closed Crankcase Ventilation Type).• Evaporative Emission Control System prevents evaporative gas from releasing into the atmosphere. Th..

Odometer

The odometer indicates the total distance that the vehicle has been driven and should be used to determine when periodic maintenance should be performed.