Hyundai Sonata: Fuel Delivery System / Delivery Pipe Repair procedures
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In case of removing the high pressure fuel pump, high
pressure fuel pipe, delivery pipe, and injector, there may be injury
caused by leakage of the high pressure fuel. So don’t do any repair
work right after engine stops.
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| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - “Release Residual Pressure in Fuel Line”)
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When removing the fuel pump relay, a Diagnostic Trouble Code
(DTC) may occur. Delete the code with the GDS after completion of
“Release Residual Pressure in Fuel Line” work. |
|
| 3. |
Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake Manifold") |
| 4. |
Disconnect the injector connectors (A) and the rail pressure sensor connector (B). |
| 5. |
Remove the high pressure fuel pipe (C). |
| 6. |
Remove the engine oil gauge. |
| 7. |
Remove the installation bolt (D), and then remove the delivery pipe and injector assembly from the engine. 
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| • |
Do not use already used injector fixing clip again. |
|
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Do not reuse the support disc.
Do not reuse the injector rubber washer.
Do not reuse the combustion seal. |
| • |
Install the component with the specified torques. |
| • |
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting. |
|
| • |
Apply engine oil to the injector O-ring. |
| • |
Do not use already used injector O-ring again. |
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| • |
Do not use already used bolt again. |
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| • |
When insert the injector, be careful not to damage the injector tip.
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|
| 1. |
Install in the reverse order of removal.
Delivery pipe mounting bolt:
18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)
High pressure fuel pipe mounting nut:
26.5 ~ 32.4 N.m (2.7 ~ 3.3 kgf.m, 19.5 ~ 23.9 lb-ft)
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Removal
1.
Turn the ignition switch OFF and disconnect the negative (-) battery cable.
2.
Disconnect the accelerator position sensor connector (A).
3.
Remove the mounting cap (A).
4.
...
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 rele ...
Other information:
Hyundai Sonata LF 2014-2019 Owners Manual: Fuse/Relay Panel Description
Instrument panel fuse panel
Inside the fuse/relay box cover, you can find the fuse/relay label describing
fuse/relay name and capacity.
Information
Not all fuse panel descriptions in this manual may be applicable to your vehicle;
the information is accurate at the time of printing. When you inspe ...
Hyundai Sonata LF 2014-2019 Service Manual: Cylinder Block Repair procedures
Removal
Engine removal is required for this procedure.
(Refer to Engine and transaxle assembly removal in this group)
1.
MT : Remove the flywheel.
(Refet to Cylinder Block - "Flywheel")
2.
AT : Remove the drive plate.
(Refet to Cylinder Block - "Drive Plate")
3.
Remove the engine to ...
Accelerator Pedal Repair procedures
High Pressure Fuel Pump Repair procedures