Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001YP22
Model Year Start: 2022 Model: Avalon Prod Date Range: [08/2021 -           ]
Title: 2GR-FKS (ENGINE MECHANICAL): CYLINDER HEAD GASKET: REMOVAL; 2022 MY Avalon [08/2021 -        ]

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 Procedure 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 Tracing Assist System

2022 MY Avalon Avalon HV [08/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Pre-collision System

Intelligent Clearance Sonar System*1

Lighting System (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): INITIALIZATION

Panoramic View Monitor System

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): INITIALIZATION

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

ECU communication ID registration (Immobiliser system)

Engine start function

2021 - 2022 MY Avalon [08/2020 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly
  • Replacement of camshaft (for intake or exhaust camshaft)
  • Replacement of camshaft timing gear assembly
  • Replacement of camshaft timing exhaust gear assembly
  • Replacement of fuel injector assembly (for port injection)
  • Replacement of fuel injector assembly (for direct injection)
  • Replacement of fuel pump assembly (for high pressure side)
  • Replacement of ignition coil assembly
  • Air leaks from intake system
  • Gas leak from exhaust system is repaired
  • Replacement of knock control sensor

Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.

2020 - 2022 MY Avalon [08/2019 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

Replacement of automatic transaxle assembly
  • Perform reset memory
  • Input transaxle compensation code into ECM
  • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION for Initialization

2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION for Registration

Replacement of ECM

(If transaxle compensation code read from ECM)
  • Perform reset memory*2
  • Transfer transaxle compensation code
  • Perform road test to allow ECM to learn

Replacement of ECM

(If transaxle compensation code not read from ECM)
  • Perform reset memory*2
  • Reset transaxle compensation code
  • Perform road test to allow ECM to learn

Replacement of automatic transaxle fluid

ATF thermal degradation estimate reset

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

2019 - 2022 MY Avalon [04/2018 -        ]; UA80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

Replacement of ECM

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

2021 - 2022 MY Avalon [08/2020 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

Suspension, tires, etc.
  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM (for Gasoline Model): CALIBRATION

Rear television camera assembly optical axis adjustment (Back camera position setting)

Parking Assist Monitor System

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): INITIALIZATION for Initialization

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): CALIBRATION for Calibration
  • Parking assist ECU initialization
  • Adjust steering angle
  • Television camera assembly optical axis adjustment (Back camera position setting)

Panoramic View Monitor System

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): INITIALIZATION for Initialization

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): CALIBRATION for Calibration

Perform headlight ECU sub-assembly LH initialization

Lighting system (for Gasoline Model with Cornering Light)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): INITIALIZATION

Front wheel alignment adjustment
  1. Perform "Reset Memory"
  2. Perform acceleration sensor zero point calibration and system information memorization
  • VSC is disabled or malfunctions
  • DTCs are output
  • Slip indicator light illuminates
  • ABS warning light illuminates

2022 MY Avalon [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): CALIBRATION

  • *1: When performing learning using the Techstream.

    Click here 2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM (for Gasoline Model): CALIBRATION

  • *2: Not necessary when ECM replaced with new one.

PROCEDURE

1. INSTALL ENGINE ASSEMBLY TO ENGINE STAND

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL

2. REMOVE ENGINE HANGERS

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

3. REMOVE KNOCK CONTROL SENSOR

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE CONTROL): KNOCK SENSOR: REMOVAL

4. REMOVE IGNITION COIL ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): IGNITION COIL AND SPARK PLUG: REMOVAL+

5. REMOVE VACUUM PUMP ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for 2GR-FKS): REMOVAL+

6. REMOVE V-RIBBED BELT

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; MAINTENANCE: 2GR-FKS DRIVE BELT: REMOVAL+

7. REMOVE GENERATOR ASSEMBLY

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (BATTERY / CHARGING): GENERATOR: REMOVAL+

8. REMOVE COMPRESSOR ASSEMBLY WITH MAGNETIC CLUTCH

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; HEATING / AIR CONDITIONING: COMPRESSOR(for 2GR-FKS): REMOVAL+

9. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (COOLING): WATER PUMP: REMOVAL+

10. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

11. REMOVE WATER PUMP PULLEY

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (COOLING): WATER PUMP: REMOVAL+

12. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

13. REMOVE WIRE HARNESS CLAMP BRACKET

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

14. REMOVE WATER FILLER BRACKET

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

15. REMOVE CRANKSHAFT PULLEY

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE MECHANICAL): FRONT CRANKSHAFT OIL SEAL: REMOVAL+

16. REMOVE FRONT NO. 1 ENGINE MOUNTING BRACKET LH

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

17. DISCONNECT WATER BY-PASS HOSE

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (COOLING): THERMOSTAT: REMOVAL+

18. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (COOLING): THERMOSTAT: REMOVAL+

19. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1)

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE CONTROL): CAMSHAFT OIL CONTROL SOLENOID: REMOVAL+

20. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1)

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE CONTROL): CAMSHAFT OIL CONTROL SOLENOID: REMOVAL+

21. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2)

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE CONTROL): CAMSHAFT OIL CONTROL SOLENOID: REMOVAL+

22. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2)

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE CONTROL): CAMSHAFT OIL CONTROL SOLENOID: REMOVAL+

23. REMOVE VVT SENSOR (for Intake Side of Bank 1)

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): CAMSHAFT POSITION SENSOR: REMOVAL+

24. REMOVE VVT SENSOR (for Exhaust Side of Bank 1)

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): CAMSHAFT POSITION SENSOR: REMOVAL+

25. REMOVE VVT SENSOR (for Intake Side of Bank 2)

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): CAMSHAFT POSITION SENSOR: REMOVAL+

26. REMOVE VVT SENSOR (for Exhaust Side of Bank 2)

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): CAMSHAFT POSITION SENSOR: REMOVAL+

27. REMOVE CRANKSHAFT POSITION SENSOR PROTECTOR

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): CRANKSHAFT POSITION SENSOR: REMOVAL+

28. REMOVE SENSOR WIRE

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

29. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

30. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

31. REMOVE SPARK PLUG TUBE GASKET

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

32. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

33. REMOVE OIL STRAINER SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

34. REMOVE OIL PAN SUB-ASSEMBLY

(a) Remove the 16 bolts and 2 nuts from the oil pan sub-assembly.

NOTICE:

Make sure to clean the bolts and stud bolts and check the threads for cracks or other damage.

*a

Nut

(b) Remove the oil pan sub-assembly by prying between the oil pan sub-assembly and timing chain cover assembly or cylinder block sub-assembly with a screwdriver wrapped with protective tape.

NOTICE:

Be careful not to damage the contact surfaces of the cylinder block sub-assembly, timing chain cover assembly and oil pan sub-assembly.

*a

Protective Tape

(c) Remove the 2 oil pan gaskets from the timing chain cover assembly.

35. REMOVE TIMING CHAIN COVER ASSEMBLY

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (LUBRICATION): OIL PUMP: REMOVAL+

36. REMOVE TIMING GEAR CASE OR TIMING CHAIN CASE OIL SEAL

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE MECHANICAL): FRONT CRANKSHAFT OIL SEAL: REMOVAL+

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

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

38. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

39. REMOVE CHAIN TENSIONER SLIPPER

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

40. REMOVE CHAIN SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

41. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 1)

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

42. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

43. REMOVE CAMSHAFT BEARING CAP (for Bank 1)

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

44. REMOVE CAMSHAFT

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

45. REMOVE NO. 2 CAMSHAFT

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

46. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

47. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 2)

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

48. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

49. REMOVE CAMSHAFT BEARING CAP (for Bank 2)

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

50. REMOVE NO. 3 CAMSHAFT SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

51. REMOVE NO. 4 CAMSHAFT SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

52. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

53. REMOVE SENSOR WIRE

Click here 2022 MY Avalon [08/2021 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL+

54. REMOVE NO. 1 CHAIN VIBRATION DAMPER

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

55. REMOVE NO. 2 CHAIN VIBRATION DAMPER

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

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

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

57. REMOVE VALVE LASH ADJUSTER ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

58. REMOVE VALVE STEM CAP

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

59. REMOVE WATER OUTLET

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

60. REMOVE CYLINDER HEAD SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

61. REMOVE CYLINDER HEAD GASKET

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

62. REMOVE CYLINDER HEAD LH

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

63. REMOVE NO. 2 CYLINDER HEAD GASKET

(a) Remove the No. 2 cylinder head gasket from the cylinder block sub-assembly.

64. INSPECT CYLINDER HEAD SET BOLT

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE MECHANICAL): ENGINE UNIT: INSPECTION+