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. |
|
| • |
Do not use already used bolt again. |
|
| • |
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: Rear Seats
Folding the rear seat
The rear seatbacks can be folded to facilitate carrying long items or to increase
the luggage capacity of the vehicle.
WARNING
Never allow passengers to sit on top of the folded down seatback while
the vehicle is moving. This is not a proper seating position and no seat be ...
Hyundai Sonata LF 2014-2019 Service Manual: Starter Relay Repair procedures
Inspection
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the fuse box cover.
3.
Remove the starter relay (A).
4.
Using an ohmmeter, check that there is continuity between each terminal.
TerminalContinuity30 - 87NO85 - 86YES
5.
Apply 12V ...
Accelerator Pedal Repair procedures
High Pressure Fuel Pump Repair procedures