| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000002700C |
| Model Year Start: 2023 | Model: Corolla | Prod Date Range: [09/2022 - ] |
| Title: 2ZR-FXE (FUEL): FUEL INJECTOR: INSTALLATION; 2023 - 2025 MY Corolla Corolla HV [09/2022 - ] | ||
INSTALLATION
PROCEDURE
1. INSTALL FUEL INJECTOR ASSEMBLY
HINT:
Perform "Inspection After Repair" after replacing a fuel injector assembly.
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![2023 - 2025 MY Corolla Corolla HV [09/2022 - ]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)
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(a) Apply a light coat of gasoline or spindle oil to new injector vibration insulators and new O-rings, and then install one to each fuel injector assembly. |
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(b) Apply a light coat of gasoline or spindle oil where the fuel delivery pipe sub-assembly contacts each O-ring.
(c) While turning the fuel injector assembly left and right, install it to the fuel delivery pipe sub-assembly.
NOTICE:
- Do not damage the fuel injector assembly or O-ring.
- Make sure that the O-ring is not twisted or moved out of place when installing the fuel injector assembly.
- After installing each fuel injector assembly, check that it turns smoothly. If not, replace the O-ring with a new one.
HINT:
Use the same procedure to install the other fuel injector assemblies.
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2. INSTALL NO. 1 DELIVERY PIPE SPACER
(a) Install the 2 No. 1 delivery pipe spacers to the cylinder head sub-assembly.
3. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY
(a) Install the fuel delivery pipe sub-assembly with the 4 fuel injector assemblies with the 2 bolts.
Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
NOTICE:
- Be careful not to drop the fuel injector assemblies when installing the fuel delivery pipe sub-assembly.
- Check that the fuel injector assemblies turn smoothly after installing the fuel delivery pipe sub-assembly.
(b) Install the clamp of the fuel delivery pipe sub-assembly to the cylinder head sub-assembly with the bolt.
Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
4. CONNECT FUEL TUBE SUB-ASSEMBLY
(a) Connect the fuel tube sub-assembly to the fuel pipe.
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(b) Install the EFI fuel pipe clamp to the fuel tube connector and close the cover of the EFI fuel pipe clamp.
5. CONNECT ENGINE WIRE
(a) Engage the clamp to connect the engine wire.
(b) Install the bolt.
Torque:
8.0 N·m {82 kgf·cm, 71 in·lbf}
(c) Connect the 4 fuel injector assembly connectors.
6. CONNECT NO. 2 VENTILATION HOSE
(a) Connect the No. 2 ventilation hose to the cylinder head cover sub-assembly and slide the clip to secure it.
7. INSTALL EGR PIPE WITH COOLER SUB-ASSEMBLY
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8. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL
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9. INSPECT FOR FUEL LEAK
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10. PERFORM INITIALIZATION
(a) Perform "Inspection After Repair" after replacing a port fuel injector assembly.
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11. INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL
HINT:
When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.
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