Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000267I1
Model Year Start: 2023 Model: Corolla Prod Date Range: [09/2022 - 11/2022]
Title: 2ZR-FXE (ENGINE MECHANICAL): CAMSHAFT: REMOVAL; 2023 MY Corolla Corolla HV [09/2022 - 11/2022]

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 camshaft removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

  • Replacement of throttle body assembly
  • Replacement of camshaft (for intake or exhaust camshaft)
  • Replacement of camshaft timing gear assembly
  • Replacement of ignition coil assembly

Inspection After Repair

  • Poor idle, etc.
  • Engine start function, etc.

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Learning completes when vehicle is driven

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link

Front Camera System (for TMC Made)

Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM (for TMC Made): INITIALIZATION

PROCEDURE

1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY

Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

2. DRAIN ENGINE COOLANT (for Engine)

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; MAINTENANCE: 2ZR-FXE COOLANT (for Engine Coolant): REPLACEMENT+

3. REMOVE WINDSHIELD WIPER MOTOR AND LINK

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL

4. REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL

Click here 2023 MY Corolla Corolla Hatchback Corolla HV [09/2022 - 11/2022]; FRONT SUSPENSION: FRONT SHOCK ABSORBER (except G16E-GTS): REMOVAL+

5. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

Click here 2023 MY Corolla Corolla Hatchback Corolla HV [09/2022 - 11/2022]; FRONT SUSPENSION: FRONT SHOCK ABSORBER (except G16E-GTS): REMOVAL+

6. DISCONNECT FLOOR SHIFT TRANSMISSION CONTROL SELECT CABLE

(a) Remove the bolt to disconnect the floor shift transmission control select cable from the cylinder head cover sub-assembly.

7. DISCONNECT NO. 2 VENTILATION HOSE

Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; 2ZR-FXE (FUEL): FUEL INJECTOR: REMOVAL+

8. REMOVE IGNITION COIL ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE CONTROL): IGNITION COIL AND SPARK PLUG: REMOVAL+

9. REMOVE CAMSHAFT POSITION SENSOR

Click here 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (ENGINE CONTROL): CAMSHAFT POSITION SENSOR: REMOVAL+

10. DISCONNECT ENGINE WIRE

(a) Disconnect the 3 connectors.

(b) Disengage the 4 clamps.

(c) Remove the bolt and disconnect the engine wire from the cylinder head cover sub-assembly.

11. DISCONNECT FUEL VAPOR FEED HOSE

Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

12. REMOVE EGR PIPE ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL+

13. DISCONNECT NO. 8 WATER BY-PASS HOSE

Click here 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (EMISSION CONTROL): PURGE VALVE: REMOVAL+

14. DISCONNECT NO. 9 WATER BY-PASS HOSE

Click here 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (EMISSION CONTROL): PURGE VALVE: REMOVAL+

15. REMOVE PURGE VALVE (PURGE VSV)

Click here 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (EMISSION CONTROL): PURGE VALVE: REMOVAL+

16. REMOVE FUEL VAPOR FEED PIPE

Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

17. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

18. REMOVE CYLINDER HEAD COVER GASKET

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

19. REMOVE SPARK PLUG TUBE GASKET

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

20. SET NO. 1 CYLINDER TO TDC (COMPRESSION)

(a) Set the No. 1 cylinder to TDC (Compression).

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

(b) Place paint marks on the chain sub-assembly in alignment with the timing marks on the camshaft timing gear assembly and camshaft timing sprocket.

*a

Paint Mark

*b

Timing Mark

21. REMOVE NO. 2 CHAIN VIBRATION DAMPER

(a) Using SST, remove the 2 bolts and No. 2 chain vibration damper from the No. 1 camshaft bearing cap.

SST: 09961-00950

22. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

23. REMOVE CAMSHAFT TIMING SPROCKET

(a) While holding the hexagonal portion of the No. 2 camshaft with a wrench, remove the bolt with SST and 14 mm union nut wrench.

SST: 09961-00950

*a

14 mm Union Nut Wrench

*b

Hold

*c

Turn

(b) While removing the chain sub-assembly, pull out the camshaft timing sprocket horizontally and then upward.

24. INSPECT CAMSHAFT TIMING GEAR ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

25. REMOVE CAMSHAFT BEARING CAP

(a) Uniformly loosen and remove the 10 bolts in the order shown in the illustration.

NOTICE:

Do not loosen the other 10 bearing cap bolts in this step.

HINT:

Arrange the removed parts in such a way that they can be reinstalled to their original locations.

(b) Remove the bolts and camshaft bearing caps in the order shown in the illustration. Immediately after removing each camshaft bearing cap, install service bolts and spacers in the order shown in the illustration.

*a

The removal order of the parts

*b

The installation order of the service bolts and spacers for temporarily tightening the camshaft housing sub-assembly

*c

Service bolt and spacer (Used to temporarily secure the camshaft housing sub-assembly)

-

-

Torque:

27 N·m {275 kgf·cm, 20 ft·lbf}

NOTICE:

  • If the bolts are loosened all at once, seal packing on the camshaft housing sub-assembly and cylinder head sub-assembly may separate, resulting in oil leaks. Therefore, be sure to install the service bolts and spacers to one camshaft bearing cap at a time.
  • Do not install the camshaft bearing caps when installing the service bolts and spacers.

HINT:

  • Arrange the removed parts in such a way that they can be reinstalled to their original locations.
  • Part number for the service bolt used to temporarily secure the camshaft housing sub-assembly: 91551-G0875 (15 bolts)
  • Part number for the spacer used to temporarily secure the camshaft housing sub-assembly: 90387-12048 (15 spacers)

26. REMOVE NO. 2 CAMSHAFT

(a) Remove the No. 2 camshaft from the camshaft housing sub-assembly.

27. REMOVE CAMSHAFT

(a) Hold up the chain sub-assembly and remove the camshaft from the camshaft housing sub-assembly.

(b) Suspend the chain sub-assembly with a string or equivalent.

28. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY

(a) Secure the hexagonal portion of the camshaft in a soft jaw vise.

(b) Remove the bolt and camshaft timing gear assembly.

NOTICE:

  • Before removing the camshaft timing gear assembly, make sure that the lock pin has been released.
  • Do not remove the other 4 bolts.
  • Keep the camshaft timing gear assembly horizontal while removing it from the camshaft.
  • If the camshaft timing gear assembly is to be reused, be sure to install it with the lock pin released.

*a

Do not remove

29. REMOVE NO. 1 CAMSHAFT BEARING

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

30. REMOVE NO. 2 CAMSHAFT BEARING

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+