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                           Last Modified: 05-08-2025 | 
                        6.11:8.1.0  | 
                        
                           Doc ID: RM100000001FFWZ | 
                      
                     
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                           Model Year Start: 2019 | 
                        
                           Model: RAV4 HV | 
                        
                           Prod Date Range: [11/2018 - 12/2021] | 
                      
                     
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                           Title: A25A-FXS (ENGINE MECHANICAL): CYLINDER HEAD GASKET: INSTALLATION; 2019 - 2021 MY RAV4 HV [11/2018 - 12/2021] | 
                      
                   
                  INSTALLATION
                   
                  CAUTION / NOTICE / HINT
                  NOTICE: 
                  This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                   
                  PROCEDURE
                   
                  1. INSTALL CYLINDER HEAD GASKET 
                  (a) Clean the cylinder block sub-assembly and cylinder head sub-assembly with solvent. 
                  (b) Place a new cylinder head gasket on the cylinder block sub-assembly with the Lot No. stamp facing upward. 
                   
                  
                     
                        
                        
                     
                     
                        
                           | 
                               *a 
                            | 
                           
                               Lot No. 
                            | 
                         
                        
                           
                               
                            | 
                           
                               Front of Engine 
                            | 
                         
                     
                   
                  NOTICE: 
                  Make sure that the cylinder head gasket is installed in the correct orientation. 
                   
                  2. INSTALL CYLINDER HEAD SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  3. INSTALL NO. 2 CAMSHAFT 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  4. INSTALL CAMSHAFT 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  5. INSTALL CAMSHAFT BEARING CAP 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  6. INSTALL VALVE STEM CAP 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  7. INSTALL VALVE LASH ADJUSTER ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  8. INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  9. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  10. INSTALL FUEL PUMP LIFTER GUIDE 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  11. INSTALL TIMING CHAIN COVER ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  12. INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  13. SET NO. 1 CYLINDER TO TDC (COMPRESSION) 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  14. INSTALL NO. 1 CHAIN VIBRATION DAMPER 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  15. INSTALL CHAIN TENSIONER SLIPPER 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  16. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  17. INSTALL CHAIN SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  18. INSTALL CAMSHAFT TIMING GEAR ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  19. INSTALL OIL PUMP DRIVE CHAIN SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  20. SET NO. 1 CYLINDER TO TDC (COMPRESSION) 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  21. INSTALL NO. 2 TIMING CHAIN COVER ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  22. INSTALL TIMING CHAIN COVER OIL SEAL 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                   
                  23. INSTALL SPARK PLUG TUBE GASKET 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  24. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  25. INSTALL OUTLET WATER BY-PASS SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  26. INSTALL WATER OUTLET 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  27. INSTALL CRANKSHAFT PULLEY ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  28. CONNECT NO. 2 WATER BY-PASS HOSE 
                  (a) Connect the No. 2 water by-pass hose to the No. 1 water by-pass pipe sub-assembly and slide the clip to secure it. 
                   
                  29. CONNECT NO. 1 WATER BY-PASS HOSE 
                  (a) Connect the No. 1 water by-pass hose to the cylinder block sub-assembly and slide the clip to secure it. 
                   
                  30. INSTALL CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  31. INSTALL CAM TIMING OIL CONTROL SOLENOID ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                   
                  32. INSTALL OIL PRESSURE CONTROL VALVE ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                   
                  33. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  34. INSTALL IGNITION COIL ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  35. INSTALL FUEL INJECTOR SEAL 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  36. INSTALL DIRECT FUEL INJECTOR ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  37. INSTALL FUEL DELIVERY PIPE 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  38. INSTALL PORT FUEL INJECTOR ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  39. INSTALL NO. 5 ENGINE WIRE 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  40. INSTALL INJECTOR VIBRATION INSULATOR 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  41. INSTALL NO. 1 DELIVERY PIPE SPACER 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  42. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  43. INSTALL NO. 7 WATER BY-PASS HOSE 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  44. TEMPORARILY INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure) 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  45. TEMPORARILY INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  46. INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure) 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  47. INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  48. CONNECT FUEL TUBE SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  49. INSTALL NO. 1 INTAKE MANIFOLD TO HEAD GASKET 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                   
                  50. INSTALL INTAKE MANIFOLD 
                  Click here
                        
                           
                               
                           
                        
                     
                   
                   
                  51. INSTALL NO. 2 WATER BY-PASS PIPE 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  52. INSTALL NO. 3 WATER BY-PASS PIPE 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  53. INSTALL EGR VALVE ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  54. INSTALL NO. 4 WATER BY-PASS HOSE 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  55. INSTALL NO. 1 EGR PIPE SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  56. INSTALL EGR COOLER ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  57. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  58. INSTALL EXHAUST MANIFOLD 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  59. INSTALL MANIFOLD STAY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  60. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  61. INSTALL FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY) 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  62. INSTALL NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  63. INSTALL COMPRESSOR ASSEMBLY WITH PULLEY 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  64. INSTALL ENGINE HANGERS 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                   
                  65. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND 
                  Click here
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                        
                           
                               
                           
                        
                     
                   
                  
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