Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001HSCO |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [03/2019 - 09/2022] |
Title: 2ZR-FAE (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL; 2020 - 2022 MY Corolla [03/2019 - 09/2022] |
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
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Battery terminal is disconnected/reconnected
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Perform steering sensor zero point calibration
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Lane Control System
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Pre-collision System
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Lighting System (w/ AFS)(EXT)
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Replacement of ECM
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Vehicle Identification Number (VIN) registration
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MIL comes on
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ECU communication ID registration (Immobiliser system)
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Engine start function
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-
Reset memory
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Deceleration sensor zero point calibration
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CVT oil pressure calibration
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Large shift shock
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Deterioration of fuel efficiency
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Replacement of ECM*1
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Code registration (Smart Key System (for Gasoline Model, Start Function))
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-
Wireless Door Lock Control System (for Gasoline Model with Smart Key System)
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Smart Key System (for Gasoline Model, Entry Function)
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Smart Key System (for Gasoline Model, Start Function)
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Steering lock function
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Replacement of ECM*2
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Code registration (Immobiliser system)
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Engine start
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-
Replacement of engine assembly
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Gas leak from exhaust system is repaired
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Inspection After Repair
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Poor idle, etc.
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Engine start function, etc.
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Suspension, tires, etc.
(The vehicle height changes because of suspension or tire replacement)
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Perform headlight ECU sub-assembly LH initialization
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Lighting system (w/ AFS)(EXT)
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Front wheel alignment adjustment
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Perform "Reset Memory".
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Perform acceleration sensor zero point calibration and store system information memorization.
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VSC is disabled or malfunctions
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DTCs are output
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Slip indicator light illuminates
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ABS warning light illuminates
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w/ Electric Parking Brake System:
w/o Electric Parking Brake System:
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CVT fluid
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ATF thermal degradation estimate reset
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The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly
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for K313
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CAUTION:
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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
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An Object Exceeding Weight Limit of Engine Lifter
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-
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
NOTICE:
After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System and Audio and Visual System (for Gasoline Model))
PROCEDURE
1. PRECAUTION
Click here
2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
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for HFO-1234yf(R1234yf):
Click here
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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
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Type A
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*B
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Type B
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*C
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Type C
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-
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-
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(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.
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*A
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for CVT
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*B
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for Manual Transaxle
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(b) Type A:
(2) Remove the clip and rear engine under cover LH from the vehicle.
(c) Type B:
(2) Remove the 2 clips and rear engine under cover LH from the vehicle.
9. REMOVE REAR ENGINE UNDER COVER RH
(a) Type A:
(2) Remove the 4 clips and rear engine under cover RH from the vehicle.
(b) Type B:
(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.
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(b) Remove the bolt and nut to separate the engine wire from the battery clamp sub-assembly.
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(c) Remove the 3 nuts to separate the engine wire from the positive (+) battery terminal.
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16. REMOVE BATTERY CLAMP SUB-ASSEMBLY
(a) Disengage the clamp to separate the engine wire from the battery clamp sub-assembly.
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(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.
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(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).
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*A
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w/ Canister Pump Module
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*B
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w/o Canister Pump Module
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22. DISCONNECT CHECK VALVE TO CONNECTOR TUBE HOSE
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for TMC Made:
Click here
-
for TMMMS Made:
Click here
23. DISCONNECT OUTLET HEATER WATER HOSE
(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.
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25. DISCONNECT FUEL TUBE SUB-ASSEMBLY
(a) Disengage the claw and remove the No. 1 fuel pipe clamp.
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(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.
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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.
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(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.
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To prevent the engine assembly from unexpectedly moving, securely support the engine assembly until it is secured to an engine stand.
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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.
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(c) Remove the bolt and nut and separate the engine mounting insulator LH from the engine mounting bracket LH.
NOTICE:
While holding the nut in place, loosen the bolt.
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*A
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for CVT
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*B
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for Manual Transaxle
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(d) Remove the 4 bolts to separate the front suspension crossmember sub-assembly from the vehicle.
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(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.
(c) Remove the bolt and wire harness clamp bracket.
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
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12281-37070
12281-37021
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No. 2 Engine Hanger
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12282-37060
12282-37011
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Bolt
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91552-81050
90105-A0169
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*1
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No. 1 Engine Hanger
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*2
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No. 2 Engine Hanger
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*a
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Bolt
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(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.
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*A
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for CVT
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*B
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for Manual Transaxle
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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.
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(b) Remove the bolt, nut and disconnect the air conditioner tube and accessory assembly.
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(c) Remove the 2 bolts, nut and engine mounting insulator sub-assembly RH from the vehicle.
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.
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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)
(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.
(c) Slide the 2 clips and remove the water by-pass hose assembly from the oil cooler.
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.
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