REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during direct fuel injector assembly removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
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*: When performing learning using the Techstream.
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Auxiliary battery terminal is disconnected/reconnected | Perform steering sensor zero point calibration | Lane Control System (for HV Model) |
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Pre-collision System (for HV Model) | |||
Parking Support Brake System (for HV Model)* | |||
Lighting System (for HV Model) | |||
Memorize steering angle neutral point | Parking Assist Monitor System (for HV Model) |
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Panoramic View Monitor System (for HV Model) |
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Initialize power trunk lid system | Power Trunk Lid System (for HV Model) |
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| Inspection after repair |
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CAUTION:
NOTICE:
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PROCEDURE
1. PRECAUTION
NOTICE:
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
2. DISCHARGE FUEL SYSTEM PRESSURE
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3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
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4. REMOVE INTAKE MANIFOLD
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5. DISCONNECT FUEL TUBE SUB-ASSEMBLY
(a) Remove the fuel pipe clamp from the fuel tube connector. | |
(b) Disconnect the fuel tube sub-assembly from the fuel pump assembly and fuel delivery pipe sub-assembly. Click here | |
6. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY
CAUTION:
To prevent serious injury due to fuel spray from the high-pressure fuel lines, always discharge fuel system pressure before removing any fuel system components.
(a) Disconnect the ignition coil connector. | |
(b) for EGR Valve Bracket Connection Type:
(1) Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 1 fuel pipe sub-assembly. | |
(c) for Cylinder Head Cover Sub-assembly Connection Type:
(1) Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 1 fuel pipe sub-assembly.
Union Nut | |
Bolt |
(2) Using an 8 mm socket wrench, remove the bolt.
(d) Loosen the 2 bolts of the fuel pump assembly. | |
(e) Remove the No. 1 fuel pipe sub-assembly from the fuel delivery pipe and fuel pump assembly.
7. REMOVE FUEL PUMP ASSEMBLY
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8. REMOVE FUEL DELIVERY PIPE
NOTICE:
When replacing the fuel delivery pipe, it is necessary to replace the No. 1 fuel pipe sub-assembly with a new one.
(a) Disconnect the fuel pressure sensor connector. | |
(b) Disengage the clamp to disconnect the sensor wire from the fuel delivery pipe.
(c) Disconnect the 4 direct fuel injector assembly connectors. NOTICE: Make sure to disconnect the connectors carefully. | |
(d) Remove the 4 bolts and fuel delivery pipe with the 4 direct fuel injector assemblies from the cylinder head sub-assembly. NOTICE:
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9. REMOVE DIRECT FUEL INJECTOR ASSEMBLY
(a) Secure the fuel delivery pipe in a vise between aluminum plates and pull out the 4 direct fuel injector assemblies. NOTICE:
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(b) Remove the nozzle holder clamp from each direct fuel injector assembly.
(c) Using needle nose pliers, remove the No. 3 fuel injector back-up ring from each direct fuel injector assembly.
NOTICE:
Do not damage the area that contacts the O-ring.
(d) Remove the O-ring and No. 1 fuel injector back-up ring from each direct fuel injector assembly.
(e) Remove the C-ring and injector vibration insulator from each direct fuel injector assembly.
10. REMOVE FUEL INJECTOR SEAL
(a) Using the tip of needle nose pliers, pinch and pull the fuel injector seal at several points to stretch it. NOTICE:
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(b) Remove the fuel injector seal from each direct fuel injector assembly.