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

Hyundai Elantra AD (2016-2020) 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 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: Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the trunk lide trim. (Refer to Body - "Trunk Lid Trim") 3. Disconnect the back view camera connector. 4. Remove the back view camera (A) after loosening the moungting screws. Installation 1. Install the back vie ...

Hyundai Elantra AD (2016-2020) Service Manual: Output Speed Sensor Repair procedures
Inspection 1. Using the GDS, check the input/output speed sensor waveforms. A. Turn OFF the ignition switch. B. Connect the GDS to the Data Link Connector(DLC) on the lower crash pad. C. Ignition "ON" & Engine "ON". D. Check the input/output speed sensor waveforms at high spe ...