Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001CJJ8
Model Year Start: 2019 Model: Corolla Hatchback Prod Date Range: [06/2018 - 01/2019]
Title: M20A-FKS (ENGINE MECHANICAL): CYLINDER HEAD GASKET: REMOVAL; 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]

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 cylinder head gasket 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

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): INITIALIZATION

Pre-collision system

Lighting System (w/ AFS)(EXT)

Initialize back door lock

Power door lock control system

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM (for Hatchback, Gasoline Model): INITIALIZATION

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

ECU communication ID registration (Immobiliser system)

Engine start function

2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

Code registration (Smart Key System (for Start Function))

  • Wireless Door Lock Control System
  • Smart Key System (for Entry Function)
  • Smart Key System (for Start Function)
  • Steering lock function

2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

  • Gas leak from exhaust system is repaired
  • Replacement of throttle body with motor assembly
  • Replacement of cam timing control motor with EDU assembly
  • Removal and installation of a cam timing control motor with EDU assembly
  • Replacement of camshaft timing gear assembly
  • Removal and installation of a camshaft timing gear assembly
  • Replacement of cylinder head sub-assembly
  • Replacement of camshaft (for intake or exhaust camshaft)
  • Replacement of camshaft timing exhaust gear assembly
  • Replacement of port fuel injector assembly
  • Replacement of direct fuel injector assembly
  • Replacement of fuel pump assembly (for high pressure side)
  • Replacement of spark plug
  • Replacement of ignition coil assembly
  • Replacement of EGR valve assembly
  • Replacement of knock control sensor
  • Replacement of air fuel ratio sensor (sensor 2)

Inspection After Repair

  • Poor idle, etc.
  • Engine start function, etc.

2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

Replacement of continuously variable transaxle assembly

  • Input transaxle compensation code into TCM
  • Perform reset memory
  • Deceleration sensor zero point calibration
  • CVT oil pressure calibration
  • Perform road test to allow TCM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

2019 - 2022 MY Corolla Corolla Hatchback [06/2018 - 09/2022]; K120 / K121 (CVT): K120 CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: INITIALIZATION for Initialization

2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; K120 / K121 (CVT): K120 CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: REGISTRATION for Registration

Replacement of ECM

  • Perform reset memory
  • CVT oil pressure calibration
  • Perform road test to allow TCM to learn

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement)

Perform headlight ECU sub-assembly LH initialization

Lighting system (w/ AFS)(EXT)

2019 - 2021 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 06/2021]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with AFS): INITIALIZATION

Front wheel alignment adjustment

  1. Perform "Reset Memory".
  2. 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

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): UTILITY

CVT fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

2019 - 2022 MY Corolla Corolla Hatchback [06/2018 - 09/2022]; K120 / K121 (CVT): K120 CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: INITIALIZATION

NOTICE:

  • After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System)
  • After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)
  • This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

    Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

PROCEDURE

1. INSTALL ENGINE ASSEMBLY TO ENGINE STAND

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL

2. REMOVE ENGINE HANGER

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

3. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

4. REMOVE NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

5. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

6. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Double Wishbone Type Suspension): REMOVAL+

7. REMOVE EXHAUST MANIFOLD (TWC: Front Catalyst)

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Double Wishbone Type Suspension): REMOVAL+

8. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY

Click here 2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]; M20A-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

9. REMOVE THROTTLE BODY GASKET

Click here 2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]; M20A-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

10. REMOVE EGR COOLER ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (EMISSION CONTROL): EGR COOLER: REMOVAL+

11. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY

Click here 2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]; M20A-FKS (EMISSION CONTROL): EGR VALVE: REMOVAL+

12. REMOVE EGR VALVE ASSEMBLY

Click here 2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]; M20A-FKS (EMISSION CONTROL): EGR VALVE: REMOVAL+

13. REMOVE NO. 3 WATER BY-PASS PIPE

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

14. REMOVE INTAKE MANIFOLD STAY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL+

15. DISCONNECT NO. 1 FUEL VAPOR FEED HOSE

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL+

16. REMOVE INTAKE MANIFOLD

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL+

17. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL+

18. DISCONNECT FUEL TUBE SUB-ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

19. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

20. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure)

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (FUEL): FUEL PUMP (for High Pressure): REMOVAL+

21. REMOVE NO. 1 WATER BY-PASS HOSE ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

22. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (FUEL): FUEL INJECTOR (for Port Injection): REMOVAL+

23. REMOVE FUEL DELIVERY SPACER

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (FUEL): FUEL INJECTOR (for Port Injection): REMOVAL+

24. REMOVE INJECTOR VIBRATION INSULATOR

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (FUEL): FUEL INJECTOR (for Port Injection): REMOVAL+

25. REMOVE NO. 5 ENGINE WIRE

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (FUEL): FUEL INJECTOR (for Port Injection): REMOVAL+

26. REMOVE PORT FUEL INJECTOR ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (FUEL): FUEL INJECTOR (for Port Injection): REMOVAL+

27. REMOVE FUEL DELIVERY PIPE

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (FUEL): FUEL INJECTOR (for Direct Injection): REMOVAL+

28. REMOVE DIRECT FUEL INJECTOR ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (FUEL): FUEL INJECTOR (for Direct Injection): REMOVAL+

29. REMOVE FUEL INJECTOR SEAL

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (FUEL): FUEL INJECTOR (for Direct Injection): REMOVAL+

30. REMOVE IGNITION COIL ASSEMBLY

Click here 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (ENGINE CONTROL): IGNITION COIL AND SPARK PLUG: REMOVAL+

31. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

32. REMOVE VACUUM SURGE TANK

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

33. REMOVE OIL PRESSURE CONTROL VALVE ASSEMBLY

Click here 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (LUBRICATION): OIL PRESSURE SWITCHING VALVE: REMOVAL+

34. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side)

Click here 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (ENGINE CONTROL): CAMSHAFT POSITION SENSOR: REMOVAL+

35. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side)

Click here 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (ENGINE CONTROL): CAMSHAFT POSITION SENSOR: REMOVAL+

36. REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY

Click here 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (ENGINE CONTROL): CAMSHAFT OIL CONTROL SOLENOID: REMOVAL+

37. REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE CONTROL): CAMSHAFT TIMING CONTROL MOTOR: REMOVAL+

38. REMOVE CAM TIMING CONTROL MOTOR O-RING

Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (ENGINE CONTROL): CAMSHAFT TIMING CONTROL MOTOR: REMOVAL+

39. REMOVE VACUUM PUMP ASSEMBLY

Click here 2019 - 2022 MY Corolla Corolla Hatchback [06/2018 - 09/2022]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for M20A-FKS): REMOVAL+

40. REMOVE CRANKSHAFT PULLEY ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

41. REMOVE WATER OUTLET

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

42. REMOVE WATER BY-PASS OUTLET SUB-ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

43. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

44. REMOVE SPARK PLUG TUBE GASKET

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

45. REMOVE ENGINE MOUNTING BRACKET RH

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

46. REMOVE NO. 2 TIMING CHAIN COVER ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

47. REMOVE TIMING CHAIN COVER OIL SEAL

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

48. SET NO. 1 CYLINDER TO TDC (COMPRESSION)

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

49. REMOVE OIL PUMP DRIVE CHAIN SUB-ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

50. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

51. REMOVE CHAIN SUB-ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

52. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

53. REMOVE CHAIN TENSIONER SLIPPER

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

54. REMOVE NO. 1 CHAIN VIBRATION DAMPER

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

55. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

56. REMOVE TIMING CHAIN COVER ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

57. REMOVE FUEL PUMP LIFTER GUIDE

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

58. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

59. REMOVE CAMSHAFT BEARING CAP

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

60. REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

61. REMOVE EXHAUST CAMSHAFT SUB-ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

62. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

63. REMOVE VALVE LASH ADJUSTER ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

64. REMOVE CYLINDER HEAD SUB-ASSEMBLY

Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

65. REMOVE CYLINDER HEAD GASKET

(a) Remove the cylinder head gasket from the cylinder block sub-assembly.

66. INSPECT CYLINDER HEAD SET BOLT

Click here 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: INSPECTION+

67. INSPECT CYLINDER HEAD SUB-ASSEMBLY

Click here 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (ENGINE MECHANICAL): CYLINDER HEAD: INSPECTION+