- 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
| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AYVQ |
| Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 - 08/2021] |
| Title: 2GR-FKS (ENGINE MECHANICAL): CYLINDER HEAD GASKET: REMOVAL; 2019 - 2021 MY Avalon [04/2018 - 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
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Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
|---|---|---|---|
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Battery terminal is disconnected/reconnected |
Perform steering sensor zero point calibration |
Lane departure alert system (w/ Steering Control) |
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Pre-collision system |
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Intelligent Clearance Sonar System*1 |
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Lighting System (for Gasoline Model with Cornering Light) |
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Memorize steering angle neutral point |
Parking Assist Monitor System |
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Panoramic View Monitor System |
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Replacement of ECM |
Vehicle Identification Number (VIN) registration |
MIL comes on |
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ECU communication ID registration (Immobiliser system) |
Engine start function |
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Inspection after repair |
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Replacement of automatic transaxle assembly |
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Replacement of ECM (If transaxle compensation code read from ECM) |
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Replacement of ECM (If transaxle compensation code not read from ECM) |
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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 |
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Replacement of ECM |
Code registration (Smart Key System (for Start Function)) |
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Suspension, tires, etc. |
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Rear television camera assembly optical axis adjustment (Back camera position setting) |
Parking Assist Monitor System |
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Panoramic View Monitor System |
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Perform headlight ECU sub-assembly LH initialization |
Lighting system (for Gasoline Model with Cornering Light) |
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Front wheel alignment adjustment |
Perform system variant learning and acceleration sensor zero point calibration. |
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*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](/t3Portal/stylegraphics/info.gif)
- *2: Not necessary when ECM replaced with new one.
PROCEDURE
1. INSTALL ENGINE ASSEMBLY TO ENGINE STAND
Click here
2. REMOVE ENGINE HANGERS
Click here
3. REMOVE KNOCK CONTROL SENSOR
Click here
4. REMOVE IGNITION COIL ASSEMBLY
Click here
5. REMOVE VACUUM PUMP ASSEMBLY
Click here
6. REMOVE V-RIBBED BELT
Click here
7. REMOVE GENERATOR ASSEMBLY
Click here
8. REMOVE COMPRESSOR ASSEMBLY WITH MAGNETIC CLUTCH
Click here
9. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY
Click here
10. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
Click here
11. REMOVE WATER PUMP PULLEY
Click here
12. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
Click here
13. REMOVE WIRE HARNESS CLAMP BRACKET
Click here
14. REMOVE WATER FILLER BRACKET
Click here
15. REMOVE CRANKSHAFT PULLEY
Click here
16. REMOVE FRONT NO. 1 ENGINE MOUNTING BRACKET LH
Click here
17. DISCONNECT WATER BY-PASS HOSE
Click here
18. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
Click here
19. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1)
Click here
20. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1)
Click here
21. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2)
Click here
22. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2)
Click here
23. REMOVE VVT SENSOR (for Intake Side of Bank 1)
Click here
24. REMOVE VVT SENSOR (for Exhaust Side of Bank 1)
Click here
25. REMOVE VVT SENSOR (for Intake Side of Bank 2)
Click here
26. REMOVE VVT SENSOR (for Exhaust Side of Bank 2)
Click here
27. REMOVE CRANKSHAFT POSITION SENSOR PROTECTOR
Click here
28. REMOVE SENSOR WIRE
Click here
29. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
Click here
30. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH
Click here
31. REMOVE SPARK PLUG TUBE GASKET
Click here
32. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY
Click here
33. REMOVE OIL STRAINER SUB-ASSEMBLY
Click here
34. REMOVE OIL PAN SUB-ASSEMBLY
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(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. |
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(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. |
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(c) Remove the 2 oil pan gaskets from the timing chain cover assembly. |
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35. REMOVE TIMING CHAIN COVER ASSEMBLY
Click here
36. REMOVE TIMING GEAR CASE OR TIMING CHAIN CASE OIL SEAL
Click here
37. SET NO. 1 CYLINDER TO TDC (COMPRESSION)
Click here
38. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
Click here
39. REMOVE CHAIN TENSIONER SLIPPER
Click here
40. REMOVE CHAIN SUB-ASSEMBLY
Click here
41. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 1)
Click here
42. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY
Click here
43. REMOVE CAMSHAFT BEARING CAP (for Bank 1)
Click here
44. REMOVE CAMSHAFT
Click here
45. REMOVE NO. 2 CAMSHAFT
Click here
46. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY
Click here
47. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY, CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY AND NO. 2 CHAIN SUB-ASSEMBLY (for Bank 2)
Click here
48. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY
Click here
49. REMOVE CAMSHAFT BEARING CAP (for Bank 2)
Click here
50. REMOVE NO. 3 CAMSHAFT SUB-ASSEMBLY
Click here
51. REMOVE NO. 4 CAMSHAFT SUB-ASSEMBLY
Click here
52. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH
Click here
53. REMOVE SENSOR WIRE
Click here
54. REMOVE NO. 1 CHAIN VIBRATION DAMPER
Click here
55. REMOVE NO. 2 CHAIN VIBRATION DAMPER
Click here
56. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
Click here
57. REMOVE VALVE LASH ADJUSTER ASSEMBLY
Click here
58. REMOVE VALVE STEM CAP
Click here
59. REMOVE WATER OUTLET
Click here
60. REMOVE CYLINDER HEAD SUB-ASSEMBLY
Click here
61. REMOVE CYLINDER HEAD GASKET
(a) Remove the cylinder head gasket from the cylinder block sub-assembly.
62. REMOVE CYLINDER HEAD LH
Click here
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
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