Hyundai Elantra: 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 seals 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

On-board Refueling Vapor Recovery (ORVR) valve Repair procedures
Removal 1. Turn the ignition switch OFF, and then remove battery (-) cable. 2. Remove the fuel pump. (Refer to Fuel System - "Fuel Pump") 3. Remove the ORVR (A) after releasing hooks (B) ...

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 inst ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: TPMS Receiver Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the glove box. (Refer to Body - "Glove Box Upper Cover Assembly") 3. Remove the smart key unit. (Refer to Body - "Smart Key Unit") 4. Disconnect the body control module connectors (A). 5. Remove the body control ...

Hyundai Elantra AD (2016-2020) Service Manual: Identification Numbers
General Information Identification Number Description Vehicle Identification Number 1. World Manufacturer Identifier (WMI) - 5NP : Passenger vehicle - 5NM : MPV (Multipurpose Passenger Vehicle) / SUV (Sports Utility Vehicle) / RV (Recreational Vehicle) 2. Vehicle line - D : ELANTRA ...

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