Hyundai Sonata LF: Fuel Delivery System / Filler-Neck Assembly Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Fuel Delivery System / Filler-Neck Assembly Repair procedures

Removal

1.	Turn the ignition seitch OFF and disconnect the battery negative (-) cable.

2.	Open the fuel filler door and then remove the filler-neck installation screw (A).

3.	Lift the vehicle.

4.	Remove the rear-LH wheel, tire, and the inner wheel house.

5.	Remove the rear sub frame. ( Refer to Suspension System - " Rear Sub Frame ")

6.	Disconnect the canister close valve connector (A).

7.	Disconnect the fuel filler hose (A).

8.	Disconnect the ventilation hose (B) from the fuel tank air filter.

9.	Remove the filler-neck assembly from the vehicle after removing the bracket installation bolt (A).

Installation

Install in the reverse order of removal.

Filler-neck assembly bracket installation bolt :

7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

Filler-neck assembly installation screw :

3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lbf.ft)

Fuel Line Repair procedures

Removal Whenever the high pressure fuel pump, fuel pipe, deliverypipe, or injector is removed immediately after shutting offthe engine, an injury may be caused by the release ofhighly pressurized fuel...

Accelerator Pedal Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Disconnect the accelerator position sensor connector (A)...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: CVVT & Camshaft Description and Operation

Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load. By controlling CVVT, the valve over-lap or under-lap occurs, which makes better fuel economy and reduces exhaust gases (NOx, HC) and improves engine performance through reduction of pumping loss, internal EGR effect, improvement of combustion stability, improvement of volumetric efficiency, and increase of expansion work...

Hyundai Sonata LF 2014-2019 Service Manual: Special Service Tools