2ZR-FAE (LUBRICATION): OIL PUMP: REMOVAL; 2023 MY Corolla [09/2022

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM10000000271L2
Model Year Start: 2023	Model: Corolla	Prod Date Range: [09/2022 - 11/2022]
Title: 2ZR-FAE (LUBRICATION): OIL PUMP: REMOVAL; 2023 MY Corolla [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 oil pump 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
1: w/ Smart Key System 2: w/o Smart Key System *3: w/ Steering Lock Function
Replacement of ECM	Vehicle Identification Number (VIN) registration	MIL comes on
	ECU communication ID registration (Immobiliser system)	Engine start function
	Reset memory Deceleration sensor zero point calibration CVT oil pressure calibration	Large shift shock Deterioration of fuel efficiency
Replacement of ECM*1	Code registration (Smart Key System (for Gasoline Model, Start Function))	Wireless Door Lock Control System (for Gasoline Model with Smart Key System) Smart Key System (for Gasoline Model, Entry Function) Smart Key System (for Gasoline Model, Start Function) Steering lock function*3
Replacement of ECM*2	Code registration (Immobiliser system)	Engine start Telematics System
Replacement of throttle body assembly Replacement of engine assembly Replacement of cylinder head sub-assembly Replacement of ignition coil assembly Gas leak from exhaust system is repaired	Inspection After Repair	Poor idle, etc. Engine start function, etc.
Front wheel alignment adjustment	Perform "Reset Memory". Perform acceleration sensor zero point calibration and store system information memorization.	VSC is disabled or malfunctions DTCs are output Slip indicator light illuminates ABS warning light illuminates	w/ Electric Parking Brake System: w/o Electric Parking Brake System:
CVT fluid	ATF thermal degradation estimate reset	The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly	for K313

HINT:

When the cable is disconnected / reconnected to the 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
Pre-collision System (for TMMMS Made)	Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.
Lane Tracing Assist System (for TMMMS Made)
Lane Departure Alert System (for TMMMS Made)

PROCEDURE

1. INSTALL ENGINE TO ENGINE STAND

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2. REMOVE ENGINE HANGERS

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3. REMOVE THROTTLE BODY ASSEMBLY

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4. REMOVE THROTTLE BODY GASKET

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5. REMOVE PURGE VALVE (PURGE VSV)

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6. REMOVE INTAKE MANIFOLD

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7. DISCONNECT FUEL TUBE SUB-ASSEMBLY

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8. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY

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9. REMOVE NO. 1 DELIVERY PIPE SPACER

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10. REMOVE INJECTOR VIBRATION INSULATOR

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11. REMOVE FUEL INJECTOR ASSEMBLY

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12. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE

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13. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

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14. REMOVE DRIVE SHAFT HEAT INSULATOR SUB-ASSEMBLY

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15. REMOVE MANIFOLD STAY

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16. REMOVE EXHAUST MANIFOLD

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17. REMOVE VENTILATION HOSE

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18. DISCONNECT NO. 3 WATER BY-PASS HOSE

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19. REMOVE WATER BY-PASS HOSE

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20. REMOVE WATER INLET HOSE

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21. REMOVE IGNITION COIL ASSEMBLY

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22. REMOVE VACUUM PUMP ASSEMBLY

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23. REMOVE NO. 1 VACUUM PUMP BRACKET

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24. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY

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25. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

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26. REMOVE CYLINDER HEAD COVER GASKET

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27. SET NO. 1 CYLINDER TO TDC/COMPRESSION

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28. REMOVE CRANKSHAFT PULLEY

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29. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY

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30. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY

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31. REMOVE TIMING CHAIN COVER OIL SEAL

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32. REMOVE CHAIN TENSIONER SLIPPER

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33. REMOVE NO. 1 CHAIN VIBRATION DAMPER

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34. REMOVE CHAIN SUB-ASSEMBLY

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35. REMOVE CRANKSHAFT TIMING SPROCKET

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36. REMOVE NO. 2 CHAIN SUB-ASSEMBLY

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37. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY

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38. REMOVE OIL PUMP ASSEMBLY

(a) Remove the 3 bolts and oil pump assembly from the stiffening crankcase assembly.