Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000028COT |
Model Year Start: 2023 |
Model: Corolla Hatchback |
Prod Date Range: [11/2022 - 03/2023] |
Title: M20A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL; 2023 MY Corolla Corolla Hatchback [11/2022 - 03/2023] |
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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Replacement of ECM
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Vehicle Identification Number (VIN) registration
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MIL comes on
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Update ECU security key
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Vehicle Control History (RoB) are stored
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ECU communication ID registration (Immobiliser system)
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Engine start function
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Replacement of ECM*3
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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*1
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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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Telematics System
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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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Replacement of continuously variable transaxle assembly
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-
Input transaxle compensation code into TCM
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Perform reset memory
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CVT oil pressure calibration
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Perform road test to allow TCM to learn
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Large shift shock
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Deterioration of fuel efficiency
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for K120 Initialization
for K120 Registration
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Replacement of ECM
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-
Perform reset memory
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CVT oil pressure calibration
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Perform road test to allow TCM to learn
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Front wheel alignment adjustment
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-
Perform "Reset Memory"
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Perform "Calibration"
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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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-
Steering gear assembly*4
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No. 2 steering intermediate shaft assembly*4
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for TMC Made
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End position initial setting
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-
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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
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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.
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
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Necessary Procedure
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Link
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Front Camera System
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Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.
|
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Learning completes when vehicle is operated normally
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedure
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Link
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Power Door Lock Control System
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Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
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PROCEDURE
1. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.
Click here
2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
Click here
3. DISCHARGE FUEL SYSTEM PRESSURE
Click here
4. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD
5. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Click here
6. REMOVE BATTERY
Click here
7. SECURE STEERING WHEEL
Click here
8. REMOVE FRONT WHEELS
Click here
9. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY
(a) Remove the 4 bolts, 10 clips and No. 1 engine under cover assembly from the vehicle.
*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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10. REMOVE REAR ENGINE UNDER COVER LH
(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.
11. REMOVE REAR ENGINE UNDER COVER RH
(b) Type A:
(2) Remove the clip and rear engine under cover RH from the vehicle.
(c) Type B:
(2) Remove the 2 clips and rear engine under cover RH from the vehicle.
12. DRAIN ENGINE OIL
Click here
13. DRAIN ENGINE COOLANT (for Fully Sealed Type)
Click here
14. DRAIN ENGINE COOLANT (for Non-Fully Sealed Type)
Click here
15. DRAIN CONTINUOUSLY VARIABLE TRANSAXLE FLUID
Click here
16. REMOVE ECM
Click here
17. DISCONNECT ENGINE WIRE
(a) Remove the 2 bolts to separate the engine wire from the vehicle.
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(b) Remove the 3 nuts to separate the engine wire from the positive (+) battery terminal.
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(c) Disengage the 3 clamps to separate the engine wire from the vehicle.
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18. 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.
19. DISCONNECT FLOOR SHIFT TRANSMISSION CONTROL SELECT CABLE
Click here
20. DISCONNECT NO. 1 RADIATOR HOSE
(a) Slide the clip and disconnect the No. 1 radiator hose from the water outlet.
21. DISCONNECT NO. 2 RADIATOR HOSE
(a) Disengage the clamp to separate the No. 2 radiator hose.
(b) Slide the clip and disconnect the No. 2 radiator hose from the radiator assembly.
22. DISCONNECT WATER INLET HOSE
(a) Slide the clip and disconnect the water inlet hose from the oil cooler assembly.
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23. DISCONNECT NO. 2 WATER BY-PASS HOSE
(a) Slide the clip and disconnect the No. 2 water by-pass hose from the oil cooler assembly.
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24. DISCONNECT NO. 1 VACUUM HOSE CONNECTOR
Click here
25. DISCONNECT NO. 1 FUEL VAPOR FEED HOSE
(a) Disengage the clamp to separate the No. 1 fuel vapor feed hose.
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(b) Slide the clip and disconnect the No. 1 fuel vapor feed hose from the vacuum surge tank.
26. DISCONNECT INLET HEATER WATER HOSE
(a) Pull out the retainer to disengage the lock claws and pull off the inlet heater water hose.
*a
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Retainer
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Pull out
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Pull off
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(b) Check that there is no foreign matter on the sealing surfaces of the disconnected water lines. Clean them if necessary.
(c) Cover the disconnected flow shutting valve (water valve) and inlet heater water hose connector with plastic bags to prevent damage and contamination.
27. DISCONNECT OUTLET HEATER WATER HOSE
(a) Pull out the retainer to disengage the lock claws and pull off the outlet heater water hose.
*a
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Retainer
|
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Pull out
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Pull off
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(b) Check that there is no foreign matter on the sealing surfaces of the disconnected water lines. Clean them if necessary.
(c) Cover the disconnected No. 2 water by-pass pipe sub-assembly and outlet heater water hose connector with plastic bags to prevent damage and contamination.
28. DISCONNECT FUEL TUBE SUB-ASSEMBLY
(a) Disengage the clamp to separate the fuel tube sub-assembly.
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(b) Disconnect the fuel tube sub-assembly from the fuel pump assembly.
Click here
29. DISCONNECT NO. 4 WATER BY-PASS HOSE
(a) Slide the hose clip and disconnect the No. 4 water by-pass hose from the No. 2 water by-pass pipe assembly.
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30. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY
Click here
31. DISCONNECT SUCTION HOSE SUB-ASSEMBLY
Click here
32. REMOVE COLUMN HOLE COVER SILENCER SHEET
Click here
33. SEPARATE NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY
Click here
34. SEPARATE NO. 1 STEERING COLUMN HOLE COVER SUB-ASSEMBLY
Click here
35. REMOVE FRONT FLOOR COVER LH (for Double Wishbone Type Suspension)
Click here
36. REMOVE FRONT FLOOR COVER RH (for Double Wishbone Type Suspension)
Click here
37. REMOVE FRONT FLOOR CENTER BRACE
for Double Wishbone Type Suspension: Click here
for Torsion Beam Type Suspension: Click here
38. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)
for Double Wishbone Type Suspension: Click here
for Torsion Beam Type Suspension: Click here
39. REMOVE DRIVE SHAFT ASSEMBLY
Click here
40. REMOVE REAR SIDE RAIL REINFORCEMENT SUB-ASSEMBLY LH
Click here
41. REMOVE REAR SIDE RAIL REINFORCEMENT SUB-ASSEMBLY RH
HINT:
Use the same procedure as for the LH side.
42. 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) Type A:
(1) 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) Type B:
(1) 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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(d) Remove the through 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 through bolt.
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(e) Remove the 4 bolts to separate the front suspension crossmember sub-assembly from the vehicle.
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(f) 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.
43. REMOVE FUEL DELIVERY GUARD
(a) Remove the bolt and fuel delivery guard from the engine mounting bracket RH.
|
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44. INSTALL ENGINE HANGER
(a) Install the No. 1 engine hanger and No. 2 engine hanger with the 4 bolts as shown in the illustration.
Torque:
43 N·m {438 kgf·cm, 32 ft·lbf}
No. 1 Engine Hanger
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12281-25030
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No. 2 Engine Hanger
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12282-25010
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Bolt
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91552-F1040
90105-A0354
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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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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.
45. 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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46. 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) Type A:
(1) Remove the 2 bolts and No. 2 earth wire from the engine mounting insulator sub-assembly RH and vehicle.
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(b) Type B:
(1) Remove the 2 bolts and No. 2 earth wire from the engine mounting insulator sub-assembly RH and vehicle.
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(c) Type A:
(1) Remove the bolt, nut and disconnect the air conditioner tube and accessory assembly.
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(2) Remove the 2 bolts, nut and engine mounting insulator sub-assembly RH from the vehicle.
(d) Type B:
(1) Remove the bolt, nut and disconnect the air conditioner tube and accessory assembly.
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(2) Remove the 2 bolts, nut and engine mounting insulator sub-assembly RH from the vehicle.
47. REMOVE STARTER ASSEMBLY
Click here
48. REMOVE FLYWHEEL HOUSING SIDE COVER
(a) Remove the flywheel housing side cover from the cylinder block sub-assembly.
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49. REMOVE ENGINE WIRE
(a) Disconnect all the clamps and connectors and remove the engine wire from the engine assembly with transaxle.
50. REMOVE MANIFOLD STAY
for Double Wishbone Type Suspension: Click here
for Torsion Beam Type Suspension: Click here
51. REMOVE DRIVE SHAFT HEAT INSULATOR SUB-ASSEMBLY
Click here
52. REMOVE FLYWHEEL HOUSING UNDER COVER
(a) Disengage the 2 claws and guide to remove the flywheel housing under cover from the cylinder block sub-assembly.
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Remove in this Direction
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53. REMOVE DRIVE PLATE AND TORQUE CONVERTER ASSEMBLY SETTING BOLT
Click here
54. REMOVE ENGINE ASSEMBLY
(a) Remove the 8 bolts and engine assembly from the continuously variable transaxle assembly.
NOTICE:
To prevent damage to the 2 knock pins, do not pry between the continuously variable transaxle assembly and engine assembly.
HINT:
-
Bolt (A), (B): Remove from continuously variable transaxle assembly side.
-
Bolt (C): Remove from engine assembly side.
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55. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY
Click here
56. REMOVE NO. 1 CRANKSHAFT POSITION SENSOR PLATE
Click here
57. REMOVE V-RIBBED BELT
Click here
58. REMOVE GENERATOR ASSEMBLY
-
for Transaxle CVT with Denso Made Generator:
Click here
-
for VALEO Made:
Click here
59. REMOVE COMPRESSOR ASSEMBLY WITH PULLEY
Click here
60. INSTALL ENGINE TO ENGINE STAND
(a) Install the engine assembly to an engine stand.
61. REMOVE ENGINE HANGER
(a) Remove the 4 bolts, No. 1 engine hanger and No. 2 engine hanger.
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