Hyundai Sonata: Evaporative Emission Control System / 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 the vent hose (A).
4.
Disconnect the vapor tube quick-connector (B,C).

5.
Remove installation bolts (A) and then remove the canister assembly.

Inspection
1.
Check for the following items visually.
A.
Cracks or leakage of the canister
B.
Loose connection, distortion, or damage of the vapor hose/tube

A: Canister - Atmosphere
B: Canister - Fuel Tank
C: Canister - Intake Manifold
Installation
1.
Install in the reverse order of removal.
Repair procedures
Inspection [System Inspection] 1. Disconnect the vapor hose from the intake manifold and connect a vacuum pump to the nipple on the intake manifold. · At Cold Engine [Engine Coolant Temperatu ...

Fuel Filler Cap Description and Operation
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Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Components of the Tire Mobility Kit
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Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
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