Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM1000000026SYG |
Model Year Start: 2023 |
Model: RAV4 |
Prod Date Range: [10/2022 - 10/2023] |
Title: A25A-FKS (ENGINE MECHANICAL): CYLINDER HEAD GASKET: REMOVAL; 2023 MY RAV4 [10/2022 - 10/2023] |
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 cylinder head gasket removal/installation are shown below.
Necessary Procedure 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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Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)
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Stop and start system
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Perform steering sensor zero point calibration
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Lane control system
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Parking support brake system (for Gasoline model)*
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Pre-collision system
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Reset back door close position
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Power back door system (for Gasoline model)
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Back door lock initialization
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Power door lock control system
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Replacement of ECM
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Perform Vehicle Identification Number (VIN) registration
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DTC P063051 is output
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Code registration
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Engine start function
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w/ Smart Key System:
w/o Smart Key System:
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for UB80E:
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If transaxle compensation code read from ECM
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Perform reset memory
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Transfer transaxle compensation code
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Perform road test to allow ECM to learn
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Large shift shock
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Deterioration of fuel efficiency
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for Initialization:
for Registration:
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for UB80F:
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If transaxle compensation code read from ECM
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Perform reset memory
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Transfer transaxle compensation code
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Perform road test to allow ECM to learn
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Large shift shock
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Deterioration of fuel efficiency
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for Initialization:
for Registration:
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Gas leak from exhaust system is repaired
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Replacement of throttle body with motor assembly
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Replacement of cam timing control motor with EDU assembly
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Removal and installation of a cam timing control motor with EDU assembly
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Replacement of camshaft timing gear assembly
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Removal and installation of a camshaft timing gear assembly
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Replacement of cylinder head sub-assembly
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Replacement of camshaft (for intake or exhaust camshaft)
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Replacement of camshaft timing exhaust gear assembly
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Replacement of port fuel injector assembly
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Replacement of direct fuel injector assembly
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Replacement of fuel pump assembly (for high pressure side)
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Replacement of spark plug
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Replacement of ignition coil assembly
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Replacement of EGR valve assembly
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Replacement of knock control sensor
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Replacement of air fuel ratio sensor (sensor 2)
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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 automatic transaxle assembly
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for UB80E:
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Reset memory
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Input transaxle compensation code into ECM
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Perform road test to allow ECM to learn
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Large shift shock
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Deterioration of fuel efficiency
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for Initialization:
for Registration:
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for UB80F:
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Reset memory
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Input transaxle compensation code into ECM
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Perform road test to allow ECM to learn
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Large shift shock
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Deterioration of fuel efficiency
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for Initialization:
for Registration:
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Automatic transaxle 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 UB60E:
for UB60F:
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Suspension, tires, etc.
(The vehicle height changes because of suspension or tire replacement)
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Television camera assembly optical axis (Back camera position setting)
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Parking assist monitor system
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Parking assist ECU initialization
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Panoramic view monitor system (for Gasoline model)
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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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Front bumper assembly (Including removal and installation)
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Front television camera view adjustment
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Panoramic view monitor system (for Gasoline model)
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NOTICE:
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After the ignition switch is turned off, the audio and visual system records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 2 minutes before disconnecting the cable from the negative (-) auxiliary battery terminal.
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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
PROCEDURE
1. INSTALL ENGINE ASSEMBLY TO ENGINE STAND
Click here
2. REMOVE ENGINE HANGERS
Click here
3. REMOVE V-RIBBED BELT
Click here
4. REMOVE GENERATOR ASSEMBLY
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for 100 A, 130 A Type:
Click here
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for 150 A Type:
Click here
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for VALEO Made:
Click here
5. REMOVE COMPRESSOR ASSEMBLY WITH PULLEY
Click here
6. REMOVE NO. 2 ENGINE COVER
Click here
7. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
Click here
8. REMOVE TIMING GEAR COVER INSULATOR
Click here
9. REMOVE NO. 3 TIMING CHAIN COVER
Click here
10. REMOVE NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY
Click here
11. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)
Click here
12. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
Click here
13. REMOVE MANIFOLD STAY
Click here
14. REMOVE EXHAUST MANIFOLD
Click here
15. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY
Click here
16. REMOVE EGR COOLER ASSEMBLY
Click here
17. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY
Click here
18. REMOVE NO. 4 WATER BY-PASS HOSE
Click here
19. REMOVE EGR VALVE ASSEMBLY
Click here
20. REMOVE NO. 3 WATER BY-PASS PIPE
Click here
21. REMOVE NO. 2 WATER BY-PASS PIPE
Click here
22. REMOVE INTAKE MANIFOLD
Click here
23. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET
Click here
24. DISCONNECT FUEL TUBE SUB-ASSEMBLY
Click here
25. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY
Click here
26. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure)
Click here
27. REMOVE NO. 7 WATER BY-PASS HOSE
Click here
28. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY
Click here
29. REMOVE NO. 1 DELIVERY PIPE SPACER
Click here
30. REMOVE INJECTOR VIBRATION INSULATOR
Click here
31. REMOVE NO. 5 ENGINE WIRE
Click here
32. REMOVE PORT FUEL INJECTOR ASSEMBLY
Click here
33. REMOVE FUEL DELIVERY PIPE
Click here
34. REMOVE DIRECT FUEL INJECTOR ASSEMBLY
Click here
35. REMOVE FUEL INJECTOR SEAL
Click here
36. REMOVE IGNITION COIL ASSEMBLY
Click here
37. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
Click here
38. REMOVE PURGE VALVE (PURGE VSV)
Click here
39. REMOVE OIL PRESSURE CONTROL VALVE ASSEMBLY
Click here
40. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side)
Click here
41. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side)
Click here
42. REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
Click here
43. REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY
Click here
44. DISCONNECT NO. 1 WATER BY-PASS HOSE (w/ Oil Cooler)
(a) Slide the clip and disconnect the No. 1 water by-pass hose from the cylinder block sub-assembly.
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45. DISCONNECT NO. 2 WATER BY-PASS HOSE (w/ Oil Cooler)
(a) Slide the clip and disconnect the No. 2 water by-pass hose from the water by-pass pipe sub-assembly.
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46. REMOVE VACUUM PUMP ASSEMBLY
Click here
47. REMOVE CRANKSHAFT PULLEY ASSEMBLY
Click here
48. REMOVE WATER OUTLET
Click here
49. REMOVE OUTLET WATER BY-PASS SUB-ASSEMBLY
Click here
50. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
Click here
51. REMOVE SPARK PLUG TUBE GASKET
Click here
52. REMOVE ENGINE MOUNTING BRACKET RH
Click here
53. REMOVE NO. 2 TIMING CHAIN COVER ASSEMBLY
Click here
54. REMOVE TIMING CHAIN COVER OIL SEAL
Click here
55. SET NO. 1 CYLINDER TO TDC (COMPRESSION)
Click here
56. REMOVE OIL PUMP DRIVE CHAIN SUB-ASSEMBLY
Click here
57. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY
Click here
58. REMOVE CHAIN SUB-ASSEMBLY
Click here
59. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
Click here
60. REMOVE CHAIN TENSIONER SLIPPER
Click here
61. REMOVE NO. 1 CHAIN VIBRATION DAMPER
Click here
62. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
Click here
63. REMOVE TIMING CHAIN COVER ASSEMBLY
Click here
64. REMOVE FUEL PUMP LIFTER GUIDE
Click here
65. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY
Click here
66. REMOVE CAMSHAFT BEARING CAP
Click here
67. REMOVE CAMSHAFT
Click here
68. REMOVE NO. 2 CAMSHAFT
Click here
69. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
Click here
70. REMOVE VALVE LASH ADJUSTER ASSEMBLY
Click here
71. REMOVE VALVE STEM CAP
Click here
72. REMOVE CYLINDER HEAD SUB-ASSEMBLY
Click here
73. REMOVE CYLINDER HEAD GASKET
(a) Remove the cylinder head gasket from the cylinder block sub-assembly.
74. INSPECT CYLINDER HEAD SET BOLT
Click here
75. INSPECT CYLINDER HEAD SUB-ASSEMBLY
Click here
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