2ZR-FXE (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION; 2023 - 2025 MY Corolla Corolla HV [09/2022

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM10000000267J8
Model Year Start: 2023	Model: Corolla	Prod Date Range: [09/2022 - ]
Title: 2ZR-FXE (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION; 2023 - 2025 MY Corolla Corolla HV [09/2022 - ]

INSTALLATION

CAUTION / NOTICE / HINT

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.

HINT:

Perform "Inspection After Repair" after replacing the engine assembly.

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PROCEDURE

1. INSTALL ENGINE HANGERS

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2. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND

(a) Remove the engine assembly from the engine stand.

3. INSTALL FLYWHEEL SUB-ASSEMBLY

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4. INSTALL TRANSMISSION INPUT DAMPER ASSEMBLY

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5. INSTALL ENGINE ASSEMBLY

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6. INSTALL ENGINE WIRE

(a) Connect all the connectors and clamps, and install the engine wire to the engine assembly with transaxle.

7. INSTALL FLYWHEEL HOUSING SIDE COVER

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8. INSTALL STARTER HOLE INSULATOR

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9. INSTALL COMPRESSOR WITH MOTOR ASSEMBLY

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10. INSTALL ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH

HINT:

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

(a) Temporarily install the engine mounting insulator sub-assembly RH to the vehicle.

*a	Temporarily Tighten

(b) Install the 2 bolts and nut in the order shown in the illustration.

Torque:

72 N·m {734 kgf·cm, 53 ft·lbf}

(c) Connect the air conditioner tube and accessory assembly to the engine mounting insulator sub-assembly RH with the bolt and nut.

Torque:

9.8 N·m {100 kgf·cm, 87 in·lbf}

(d) Install the No. 2 earth wire to the engine mounting insulator sub-assembly RH and vehicle body with the 2 bolts as shown in the illustration.

Torque:

10.5 N·m {107 kgf·cm, 8 ft·lbf}

NOTICE:

Make sure that the mark is facing the front of the vehicle.

*a	Mark
*b	Contact Point to Stop Rotation When Tightening
*c	Front of Vehicle
*d	LH Side

11. INSTALL ENGINE MOUNTING INSULATOR LH

HINT:

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

(a) Temporarily install the engine mounting insulator LH to the vehicle.

*a	Temporarily Tighten

(b) Install the 4 bolts and nut in the order shown in the illustration.

Torque:

42 N·m {428 kgf·cm, 31 ft·lbf}

12. REMOVE ENGINE HANGER

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13. INSTALL WIRE HARNESS CLAMP BRACKET

(a) Install the wire harness clamp bracket with the bolt.

Torque:

39 N·m {398 kgf·cm, 29 ft·lbf}

(b) Engage the 3 clamps.

14. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE

(a) Using height adjustment attachments and plate lift attachments to keep the engine assembly with transaxle and front suspension crossmember sub-assembly level, set an engine lifter underneath the engine assembly with transaxle and front suspension crossmember sub-assembly.

NOTICE:

Using height adjustment attachments and plate lift attachments, keep the engine assembly with transaxle horizontal.
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 oil pan sub-assembly from deforming, do not place any attachments under the oil pan sub-assembly of the engine assembly with transaxle.

(b) Operate the engine lifter and install the engine assembly with transaxle to the vehicle.

CAUTION:

Do not raise the engine assembly with transaxle more than necessary. If the engine is raised excessively, the vehicle may also be lifted up.

NOTICE:

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

Torque:

141 N·m {1438 kgf·cm, 104 ft·lbf}

(d) Apply adhesive to 2 or 3 threads of the bolt.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

Adhesive

(e) Install the No. 2 engine mounting stay LH with the bolt.

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

(f) Install the engine mounting insulator LH to the hybrid vehicle transaxle assembly with the 3 bolts and nut.

Torque:

Bolt :

70 N·m {714 kgf·cm, 52 ft·lbf}

Nut :

20 N·m {204 kgf·cm, 15 ft·lbf}

(g) Install the engine mounting insulator sub-assembly RH to the engine mounting bracket RH with the 2 bolts and nut.

Torque:

Bolt :

72 N·m {734 kgf·cm, 53 ft·lbf}

Nut :

41 N·m {418 kgf·cm, 30 ft·lbf}

15. INSTALL REAR SIDE RAIL REINFORCEMENT SUB-ASSEMBLY LH

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16. INSTALL REAR SIDE RAIL REINFORCEMENT SUB-ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

17. INSTALL FRONT DRIVE SHAFT ASSEMBLY

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18. INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)

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19. INSTALL FRONT FLOOR CENTER BRACE

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20. INSTALL FRONT FLOOR COVER LH

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21. INSTALL FRONT FLOOR COVER RH

HINT:

Use the same procedure as for the LH side.

22. CONNECT NO. 1 STEERING COLUMN HOLE COVER SUB-ASSEMBLY

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23. CONNECT NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY

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24. INSTALL COLUMN HOLE COVER SILENCER SHEET

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25. CONNECT NO. 7 ENGINE WIRE

(a) Connect the No. 7 engine wire to the hybrid vehicle transaxle assembly with the bolt.

Torque:

20 N·m {204 kgf·cm, 15 ft·lbf}

(b) Engage the 2 clamps.

26. CONNECT SUCTION HOSE SUB-ASSEMBLY

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27. CONNECT DISCHARGE HOSE SUB-ASSEMBLY

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28. CONNECT NO. 2 INVERTER COOLING OUTLET HOSE

(a) Connect the No. 2 inverter cooling outlet hose to the motor cooling cooler and slide the clip to secure it.

29. CONNECT FUEL TUBE SUB-ASSEMBLY

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30. CONNECT FUEL VAPOR FEED HOSE

(a) Connect the fuel vapor feed hose to the fuel vapor feed pipe and slide the clip to secure it.

31. CONNECT OUTLET HEATER WATER HOSE

(a) Connect the outlet heater water hose.

32. CONNECT INLET HEATER WATER HOSE

(a) Connect the inlet heater water hose.

33. CONNECT NO. 2 RADIATOR HOSE

(a) Connect the No. 2 radiator hose to the water inlet sub-assembly and slide the clip to secure it.

34. CONNECT NO. 1 RADIATOR HOSE (for Type B)

(a) Connect the No. 1 radiator hose to the water outlet and slide the clip to secure it.

35. CONNECT NO. 3 RADIATOR HOSE (for Type A)

(a) Connect the No. 3 radiator hose to the water outlet and slide the clip to secure it.

36. CONNECT FLOOR SHIFT TRANSMISSION CONTROL SELECT CABLE

(a) Connect the floor shift transmission control select cable to the engine assembly with the bolt.

Torque:

12 N·m {122 kgf·cm, 9 ft·lbf}

(b) Connect the floor shift transmission control select cable to the transmission control cable support.

(c) Connect the floor shift transmission control select cable to the No. 1 transmission control cable bracket with a new clip.

(d) Connect the floor shift transmission control select cable to the transmission control shaft lever as shown in the illustration.

*a	Correct
*b	Incorrect

37. INSTALL INVERTER WITH CONVERTER ASSEMBLY

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38. INSTALL INLET NO. 1 AIR CLEANER

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39. INSTALL AIR CLEANER SUPPORT BRACKET ASSEMBLY

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40. INSTALL AIR CLEANER CASE SUB-ASSEMBLY

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41. INSTALL AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

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42. INSTALL THROTTLE BODY ASSEMBLY

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43. INSTALL INLET NO. 2 AIR CLEANER

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44. INSTALL RADIATOR SUPPORT OPENING COVER

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45. CONNECT NO. 8 WATER BY-PASS HOSE

(a) Connect the No. 8 water by-pass hose to the No. 4 water by-pass hose and slide the clip to secure it.

46. ADD ENGINE OIL

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47. ADD HYBRID TRANSAXLE FLUID

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48. ADD ENGINE COOLANT (for Engine)

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49. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT

for HFO-1234yf(R1234yf):
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for HFC-134a(R134a):
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50. CHECK ENGINE OIL LEVEL

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51. INSPECT HYBRID TRANSAXLE FLUID

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52. INSPECT SHIFT LEVER POSITION

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53. ADJUST SHIFT LEVER POSITION

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54. INSPECT FOR COOLANT LEAK (for Inverter)

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55. INSPECT FOR COOLANT LEAK (for Engine)

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56. WARM UP COMPRESSOR

for HFO-1234yf(R1234yf):
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for HFC-134a(R134a):
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57. INSPECT FOR REFRIGERANT LEAK

for HFO-1234yf(R1234yf):
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for HFC-134a(R134a):
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58. INSPECT FOR FUEL LEAK

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59. INSPECT FOR OIL LEAK

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60. INSPECT FOR EXHAUST GAS LEAK

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61. INSTALL REAR ENGINE UNDER COVER LH

(a) Type A:

(1) Install the rear engine under cover LH to the vehicle with the 4 clips.

(2) Install the screw.

(b) Type B:

(1) Install the rear engine under cover LH to the vehicle with the 5 clips.

(2) Install the screw.

62. INSTALL REAR ENGINE UNDER COVER RH

(a) Type A:

(1) Install the rear engine under cover RH to the vehicle with the 4 clips.

(2) Install the screw.

(b) Type B:

(1) Install the rear engine under cover RH to the vehicle with the 5 clips.

(2) Install the screw.

63. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY

(a) Install the No. 1 engine under cover assembly to the vehicle with the 10 clips.

(b) Install the 4 bolts.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

64. INSTALL FRONT WHEELS

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65. INSPECT IGNITION TIMING

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66. INSPECT ENGINE IDLE SPEED

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67. INSPECT CO/HC

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68. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT

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69. CHECK SPEED SENSOR SIGNAL

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70. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL

HINT:

When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

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