Hyundai Sonata: 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: Roller Blind Repair procedures
Removal 1. Open the roller blind using the panorama sunroof switch.     • Leave 10 ~ 20cm (0.3937 ~ 0.7874 in) of the roller blind unopened. 2. Remove the roof trim. (Refer to Roof Trim - "Roof Trim Assembly") 3. Remove the roller blind bar (C) by pressing th ...

Hyundai Sonata LF 2014-2019 Service Manual: Height Adjust Repair procedures
Replacement 1. Remove the front seat belt upper anchor. (Refer to Front Seat Belt - "Front Seat Belt Retractor") 2. After loosening the mounting bolts, then remove the height adjust (A). Tightening torque : 39.2 ~ 53.9 N.m (4.0 ~ 5.5kgf.m, 28.9 ~ 39.8 lb-ft) 3. Install in the rev ...

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