Hyundai Sonata: Evaporative Emission Control System / Fuel Filler Cap Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Emission Control System / Evaporative Emission Control System / Fuel Filler Cap Description and Operation

Description

A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which would seal the fuel filler. After the gasket on the fuel filler cap and the filler neck flange contact each other, the ratchet produces a loud clicking noise indicating the seal has been set.

1. Cover
2. Torsion spring
3. Retainer
4. Gasket seal

5. Spring
6. Plate seal
7. Vacuum valve
8. Spring

Canister Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the fuel tank. (Refer to Engine Control / Fuel System - " Fuel Tank") 3. Disconnect th ...

Fuel Tank Air Filter Repair procedures

Replacement 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Lift the vehicle. 3. Remove the rear-left wheel & tire and house cover. 4. Disconnec ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Special Service Tools
Special Service Tools ItemIllustrationApplicationFuel Pressure Gauge(09353-24100)Measuring the fuel line pressureFuel Pressure Gauge Adapter(09353-02100)Connection between the high pressure fuel pump and the fuel feed lineHeated Oxygen Sensor Socket Wrench(09392-1Y100)Removal and installation o ...

Hyundai Sonata LF 2014-2019 Owners Manual: Adaptive Front Lighting System (AFLS) Warning Light
This warning light illuminates: Once you set the Engine Start/ Stop Button to the ON position. - It illuminates for approximately 3 seconds and then goes off. When there is a malfunction with the AFLS. If there is a malfunction with the AFLS: 1. Drive carefully to a safe location and stop the ...