2ZR-FAE (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL; 2023 MY Corolla [09/2022

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM10000000271KN
Model Year Start: 2023	Model: Corolla	Prod Date Range: [09/2022 - 11/2022]
Title: 2ZR-FAE (ENGINE MECHANICAL): ENGINE ASSEMBLY: 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 engine 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 engine 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

CAUTION:

The engine assembly with transaxle is very heavy. Be sure to follow the procedure described in the repair manual, or the engine lifter may suddenly drop or the engine assembly with transaxle may fall off the engine lifter.

*a	An Object Exceeding Weight Limit of Engine Lifter

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

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. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.

Click here

2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

for HFO-1234yf(R1234yf):
Click here
for HFC-134a(R134a):
Click here

3. DISCHARGE FUEL SYSTEM PRESSURE

Click here

4. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

5. REMOVE BATTERY

Click here

6. REMOVE FRONT WHEELS

Click here

7. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY

(a) Remove the 4 bolts.

*A	Type A	*B	Type B
*C	Type C	-	-

(b) Remove the 10 clips and No. 1 engine under cover assembly from the vehicle.

8. REMOVE REAR ENGINE UNDER COVER LH

(a) Remove the 3 clips.

*A	for CVT
*B	for Manual Transaxle

(b) Type A:

(1) Remove the screw.

(2) Remove the clip and rear engine under cover LH from the vehicle.

(1) Remove the screw.

(2) Remove the 2 clips and rear engine under cover LH from the vehicle.

9. REMOVE REAR ENGINE UNDER COVER RH

(a) Type A:

(1) Remove the screw.

(2) Remove the 4 clips and rear engine under cover RH from the vehicle.

(b) Type B:

(1) Remove the screw.

(2) Remove the 5 clips and rear engine under cover RH from the vehicle.

10. DRAIN ENGINE OIL

Click here

11. DRAIN ENGINE COOLANT

Click here

12. DRAIN CONTINUOUSLY VARIABLE TRANSAXLE FLUID (for CVT)

Click here

13. DRAIN MANUAL TRANSAXLE OIL (for Manual Transaxle)

Click here

14. REMOVE ECM

Click here

15. DISCONNECT WIRE HARNESS

(a) Remove the 2 bolts to separate the engine wire from the vehicle.

(b) Remove the bolt and nut to separate the engine wire from the battery clamp sub-assembly.

16. REMOVE BATTERY CLAMP SUB-ASSEMBLY

(a) Disengage the clamp to separate the engine wire from the battery clamp sub-assembly.

(b) Remove the 3 bolts and battery clamp sub-assembly from the vehicle.

17. DISCONNECT NO. 1 RADIATOR HOSE

(a) Slide the clip and disconnect the No. 1 radiator hose from the cylinder head sub-assembly.

18. DISCONNECT NO. 2 RADIATOR HOSE

(a) Slide the clip and disconnect the No. 2 radiator hose from the water inlet.

19. DISCONNECT FLOOR SHIFT TRANSMISSION CONTROL SELECT CABLE (for CVT)

Click here

20. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY (for Manual Transaxle)

(a) Remove the 2 clips (A) to disconnect the transmission control cable assembly from the manual transaxle assembly.

(b) Remove the 2 clips (B) to disconnect the transmission control cable assembly from the control cable bracket assembly.

21. DISCONNECT FUEL VAPOR FEED HOSE

(a) Slide the clip and disconnect the fuel vapor feed hose from the purge valve (purge VSV).

*A	w/ Canister Pump Module
*B	w/o Canister Pump Module

22. DISCONNECT CHECK VALVE TO CONNECTOR TUBE HOSE

Click here

23. DISCONNECT OUTLET HEATER WATER HOSE

(a) Disengage the clamp.

(b) Slide the clip and disconnect the outlet heater water hose from the cylinder head sub-assembly.

24. DISCONNECT INLET HEATER WATER HOSE

(a) Slide the clip and disconnect the inlet heater water hose from the No. 1 water by-pass pipe.

25. DISCONNECT FUEL TUBE SUB-ASSEMBLY

(a) Disengage the claw and remove the No. 1 fuel pipe clamp.

(b) Disconnect the fuel tube sub-assembly from the fuel pipe.

Click here

26. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY

Click here

27. DISCONNECT SUCTION HOSE SUB-ASSEMBLY

Click here

28. SECURE STEERING WHEEL ASSEMBLY

Click here

29. REMOVE COLUMN HOLE COVER SILENCER SHEET

Click here

30. SEPARATE NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY

Click here

31. SEPARATE NO. 1 STEERING COLUMN HOLE COVER SUB-ASSEMBLY

Click here

32. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Front and Rear Catalyst)

Click here

33. REMOVE DRIVE SHAFT ASSEMBLY

Click here

34. REMOVE FLYWHEEL HOUSING UNDER COVER

(a) Remove the flywheel housing under cover from the stiffening crankcase assembly.

35. REMOVE DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT (for CVT)

Click here

36. DISCONNECT NO. 1 CLUTCH HOSE (for Manual Transaxle)

(a) Using a 10 mm union nut wrench, disconnect the bleeder clutch release tube from the No. 1 clutch hose.

(b) Remove the clip and disconnect the No. 1 clutch hose from the clutch flexible hose bracket.

37. REMOVE REAR SIDE RAIL REINFORCEMENT SUB-ASSEMBLY LH

Click here

38. REMOVE REAR SIDE RAIL REINFORCEMENT SUB-ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

39. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE

(a) Set the engine assembly with transaxle on an engine lifter.

NOTICE:

Using height adjustment attachments and plate lift attachments, keep the engine assembly with transaxle and front suspension crossmember sub-assembly level.
Do not perform any procedures while the engine assembly is suspended because doing so may cause the engine assembly to drop, resulting in injury. However, the engine assembly needs to be suspended when it is installed to or removed from an engine stand.
To prevent the engine assembly from unexpectedly moving, securely support the engine assembly until it is secured to an engine stand.
To prevent the oil pan sub-assembly from deforming, do not place any attachments under the oil pan sub-assembly of the engine assembly with transaxle.

(b) Remove the 2 bolts and nut and separate the engine mounting insulator sub-assembly RH from the engine mounting bracket RH.

NOTICE:

While holding the nut in place, loosen the bolt.

*A	for CVT
*B	for Manual Transaxle

(d) Remove the 4 bolts to separate the front suspension crossmember sub-assembly from the vehicle.

(e) Operate the engine lifter and remove the engine assembly with transaxle from the vehicle.

NOTICE:

Make sure that the engine assembly with transaxle is clear of all wiring and hoses.
While lowering the engine assembly with transaxle from the vehicle, do not allow it to contact the vehicle.

40. REMOVE WIRE HARNESS CLAMP BRACKET

(a) Disengage the 4 clamps.

(b) Disconnect the air fuel ratio sensor connector.

41. INSTALL ENGINE HANGERS

(a) Install the No. 1 engine hanger and No. 2 engine hanger with the 2 bolts.

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

No. 1 Engine Hanger

12281-37070

12281-37021

No. 2 Engine Hanger

12282-37060

12282-37011

Bolt

91552-81050

90105-A0169

*1	No. 1 Engine Hanger
*2	No. 2 Engine Hanger
*a	Bolt

(b) Attach an engine sling device and hang the engine assembly with transaxle with a chain block.

NOTICE:

Pay attention to the angle of the sling device as the engine assembly or No. 1 engine hanger and No. 2 engine hanger may be damaged or deformed if the angle is incorrect.
Do not perform any procedure while the engine assembly with transaxle is suspended because doing so may cause the engine assembly with transaxle to drop, resulting in injury. However, the engine assembly with transaxle needs to be suspended when it is installed to or removed from an engine stand.

42. REMOVE ENGINE MOUNTING INSULATOR LH

HINT:

Perform this procedure only when replacement of the engine mounting insulator LH is necessary.

(a) Remove the 4 bolts, nut and engine mounting insulator LH from the vehicle.

*A	for CVT
*B	for Manual Transaxle

43. REMOVE ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH

HINT:

Perform this procedure only when replacement of the engine mounting insulator sub-assembly RH is necessary.

(a) Remove the 2 bolts and No. 2 earth wire from the engine mounting insulator sub-assembly RH and vehicle.

(b) Remove the bolt, nut and disconnect the air conditioner tube and accessory assembly.

44. REMOVE STARTER ASSEMBLY

Click here

45. REMOVE FLYWHEEL HOUSING SIDE COVER

(a) Remove the flywheel housing side cover from the cylinder block sub-assembly.

46. REMOVE ENGINE WIRE

(a) Disconnect all the clamps and connectors and remove the engine wire from the engine assembly with transaxle.

47. REMOVE WATER BY-PASS HOSE ASSEMBLY (for CVT)

(a) Disengage the clamp.

(b) Slide the 2 clips and remove the water by-pass hose assembly from the No. 3 water by-pass pipe and cylinder head sub-assembly.

48. REMOVE ENGINE ASSEMBLY (for CVT)

Click here

49. REMOVE ENGINE ASSEMBLY (for Manual Transaxle)

Click here

50. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY (for CVT)

Click here

51. REMOVE BLEEDER CLUTCH RELEASE TUBE (for Manual Transaxle)

Click here

52. REMOVE CLUTCH RELEASE BLEEDER SUB-ASSEMBLY (for Manual Transaxle)

Click here

53. REMOVE CLUTCH RELEASE CYLINDER WITH BEARING ASSEMBLY (for Manual Transaxle)

Click here

54. REMOVE CLUTCH RELEASE CYLINDER TO BLEEDER TUBE (for Manual Transaxle)

Click here

55. REMOVE CLUTCH COVER ASSEMBLY (for Manual Transaxle)

Click here

56. REMOVE CLUTCH DISC ASSEMBLY (for Manual Transaxle)

Click here

57. REMOVE FLYWHEEL SUB-ASSEMBLY (for Manual Transaxle)

Click here

58. REMOVE V-RIBBED BELT

Click here

59. REMOVE GENERATOR ASSEMBLY

Click here

60. REMOVE COMPRESSOR ASSEMBLY WITH PULLEY

Click here

61. INSTALL ENGINE TO ENGINE STAND

(a) Install the engine assembly to an engine stand.

62. REMOVE ENGINE HANGERS

(a) Remove the 2 bolts, No. 1 engine hanger and No. 2 engine hanger.