Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001GSAG
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: 2ZR-FAE (FUEL): FUEL INJECTOR: INSTALLATION; 2020 - 2022 MY Corolla [01/2019 - 09/2022]

INSTALLATION

PROCEDURE

1. INSTALL FUEL INJECTOR ASSEMBLY

HINT:

Perform "Inspection After Repair" after replacing the fuel injector assembly.

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

(a) Apply a light coat of gasoline or spindle oil to 4 new O-rings, and install one to each fuel injector assembly.

NOTICE:

Check that there is no damage or foreign matter on the groove of the fuel injector assembly when installing the O-ring to each fuel injector assembly.

(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.

Push

Turn

NOTICE:

  • Check that the fuel injector assembly installation holes of the fuel delivery pipe sub-assembly are not damaged and are free of foreign matter.
  • 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.

2. INSTALL INJECTOR VIBRATION INSULATOR

(a) Install 4 new injector vibration insulators to the cylinder head sub-assembly.

3. INSTALL NO. 1 DELIVERY PIPE SPACER

(a) Install the 2 No. 1 delivery pipe spacers to the cylinder head sub-assembly.

NOTICE:

Install the No. 1 delivery pipe spacers in the correct direction.

*a

Fuel Delivery Pipe Sub-assembly Side

*b

Cylinder Head Sub-assembly Side

4. 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}

5. CONNECT FUEL TUBE SUB-ASSEMBLY

(a) Connect the fuel tube sub-assembly to the fuel delivery pipe sub-assembly.

Click here 2020 MY Corolla [01/2019 - 03/2019]; 2ZR-FAE (FUEL): FUEL SYSTEM: PRECAUTION 2020 - 2022 MY Corolla [03/2019 - 09/2022]; 2ZR-FAE (FUEL): FUEL SYSTEM: PRECAUTION

(b) Engage the clamp and connect the fuel tube sub-assembly.

(c) Install a new No. 2 fuel pipe clamp.

6. CONNECT ENGINE WIRE

(a) Install the vacuum sensor bracket to the intake manifold with the engine cover joint.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(b) Engage the 3 wire harness clamps.

(c) Connect the 4 fuel injector assembly connectors.

7. INSTALL E.F.I. VACUUM SENSOR ASSEMBLY (MANIFOLD ABSOLUTE PRESSURE SENSOR)

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (EMISSION CONTROL): VACUUM SENSOR: INSTALLATION+

8. INSTALL BATTERY

Click here 2020 - 2022 MY Corolla [01/2019 - 09/2022]; MAINTENANCE: 2ZR-FAE BATTERY: INSTALLATION

9. INSPECT FOR FUEL LEAK

Click here 2020 - 2022 MY Corolla [01/2019 - 09/2022]; 2ZR-FAE (FUEL): FUEL SYSTEM: ON-VEHICLE INSPECTION+

10. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing a fuel injector assembly.

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION