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Home >> Toyota >> 2022 >> RAV4 LE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Mechanical System (A25A-FXS) - Service Information (1 Of 6)) >> Camshaft >> Installation [08/2020 - ] >> Procedure

Installation [08/2020 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSTALL CAMSHAFT 

    HINT: 

    Perform inspection after repair after replacing the camshaft.

    Refer to INITIALIZATION [08/2020 - 12/2021] , or refer to INITIALIZATION [12/2021 - 11/2024] , or refer to INITIALIZATION [11/2024 - ]

    1. Turn the crankshaft clockwise to align the timing mark (cutout) on the crankshaft pulley with the "0" timing mark on the No. 2 timing chain cover assembly.
      GTY898263Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a "0" Timing Mar
      *b Timing Mark
    2. Check that the No. 1 valve rocker arm sub-assembly is correctly installed as shown in the illustration.
      GTY924633Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Valve Rocker Arm Sub-assembly
      *2 Valve Lash Adjuster Assembly
      *3 Valve Stem Cap
    3. Clean the camshaft housing sub-assembly and the cams and journals of the camshaft and No. 2 camshaft, and then apply engine oil to them.
    4. Apply a light coat of engine oil to the journals of the camshaft and install the camshaft to the camshaft housing sub-assembly.
    5. Apply a light coat of engine oil to the journals of the No. 2 camshaft and install the No. 2 camshaft to the camshaft housing sub-assembly.
    6. Set the No. 1 camshaft bearing cap, No. 2 camshaft bearing cap, 2 No. 3 camshaft bearing caps and No. 4 camshaft bearing cap as shown in the illustration.
      GTY873502Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Camshaft Bearing Cap
      *2 No. 2 Camshaft Bearing Cap
      *3 No. 3 Camshaft Bearing Cap
      *4 No. 4 Camshaft Bearing Cap
    7. Uniformly tighten the 14 camshaft bearing cap bolts in the order shown in the illustration.

      Torque: 28.5 N.m (291 kgf/cm, 21 ft.lbf) 

    8. Uniformly tighten the 8 camshaft bearing cap bolts in the order shown in the illustration.
      GTY879077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 16 N.m (163 kgf/cm, 12 ft.lbf) 

    9. Set the camshaft timing gear assembly and camshaft timing exhaust gear assembly to the timing chain sub-assembly in order as shown in the illustration.
      GTY904190Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    10. Align the timing mark on the camshaft timing gear assembly with the paint mark on the timing chain sub-assembly.
      GTY942100Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
      *b Timing Mark
    11. Align the timing mark on the camshaft timing exhaust gear assembly with the paint mark on the timing chain sub-assembly.
      GTY891680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
      *b Timing Mark
    12. Using the hexagonal portion of the camshaft, install the camshaft timing gear assembly to the camshaft.
      GTY909939Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Knock Pin
    13. Check that the knock pin matches the pin hole from the No. 2 timing chain cover sub-assembly side.
    14. Using a bi-hexagon socket wrench (10 mm), temporarily install the camshaft timing gear assembly with the bolt.

      HINT: 

      Temporarily install the bolt enough that the camshaft timing gear assembly does not detach from the knock pin of the camshaft.

    15. Using the hexagonal portion of the No. 2 camshaft, install the camshaft timing exhaust gear assembly to the No. 2 camshaft.
      GTY998385Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    16. Temporarily install with the 2 bolts.

      HINT: 

      The 2 bolts can only be installed as shown in the illustration if the knock pin on the No. 2 camshaft and the pin hole on the camshaft timing exhaust gear assembly match. If the 2 bolts cannot be installed, the knock pin and pin hole do not match.

    17. Check the status of the camshaft timing gear assembly and camshaft timing exhaust gear assembly temporarily installed to each camshaft.
      GTY905153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Chain Vibration Damper
      1. Camshaft timing gear assembly side:

        Check that the timing chain sub-assembly does not overlap the No. 1 chain vibration damper as shown in the illustration.

        NOTE:

        If the timing chain sub-assembly overlaps the No. 1 chain vibration damper, install it again.

      2. Camshaft timing exhaust gear assembly side:

        Check that the timing chain sub-assembly does not overlap the chain tensioner slipper as shown in the illustration.

        NOTE:

        If the timing chain sub-assembly overlaps the chain vibration slipper, install it again.

        GTY921524Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 Chain Tensioner Slipper
    18. Using the hexagonal portion of the camshaft, hold the camshaft.
      NOTE:
      • Do not damage the camshaft housing sub-assembly, cylinder head sub-assembly and spark plug tube.
      • Do not disassemble the camshaft timing gear assembly.
      GTY916721Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
    19. Using a bi-hexagon socket wrench (10 mm), tighten the bolt on the camshaft timing gear assembly.

      Torque: 86 N.m (877 kgf/cm, 63 ft.lbf) 

    20. Using the hexagonal portion of the No. 2 camshaft, hold the No. 2 camshaft.
      NOTE:
      • Do not damage the camshaft housing sub-assembly, cylinder head sub-assembly and spark plug tube.
      • Do not disassemble the camshaft timing gear assembly.
      GTY997830Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
    21. Using a hexagon wrench (5 mm), tighten the 2 bolts.

      Torque: 19 N.m (194 kgf/cm, 14 ft.lbf) 

    22. Check that the paint marks and timing marks are positioned as shown in the illustration.
      GTY928012Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
      *b Timing Mark
    23. Using the hexagonal portion of the camshaft, check that the timing chain sub-assembly slackens when the camshaft is moved in the direction shown in the illustration.
      GTY847524Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold - -
      Turn - -
      NOTE:

      If the timing chain sub-assembly remains tight and does not slacken, the chain tensioner slipper and No. 1 chain vibration damper may overlap the timing chain sub -assembly, so install them again.

    24. Remove the pin from the No. 1 chain tensioner assembly.
  2. INSTALL STRAIGHT SCREW PLUG 

    Refer to PROCEDURE - Step 5 [08/2020 - 11/2024] , or refer to PROCEDURE - Step 5 [11/2024 - ]

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

    See step  12 [08/2020 - 10/2022], or see step  12 [10/2022 - ]

  4. INSTALL FUEL PUMP LIFTER GUIDE 

    Refer to PROCEDURE - Step 28 [08/2020 - 11/2024] , or refer to PROCEDURE - Step 28 [11/2024 - ]

  5. INSTALL SPARK PLUG TUBE GASKET 

    Refer to PROCEDURE - Step 44 [08/2020 - 11/2024] , or refer to PROCEDURE - Step 44 [11/2024 - ]

  6. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 45 [08/2020 - 11/2024] , or refer to PROCEDURE - Step 45 [11/2024 - ]

  7. INSTALL CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY 

    Refer to PROCEDURE - Step 1

  8. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (EXHAUST CAMSHAFT TIMING GEAR BOLT ASSEMBLY) 

    Refer to PROCEDURE - Step 1

  9. INSTALL CAM TIMING OIL CONTROL SOLENOID ASSEMBLY 

    Refer to PROCEDURE - Step 1

  10. INSTALL IGNITION COIL ASSEMBLY 

    Refer to PROCEDURE - Step 2

  11. CONNECT ENGINE WIRE 
    1. Attach the 3 clamps and connect the engine wire.
      GTY904154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the 6 connectors.
  12. INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure) 

    Refer to PROCEDURE - Step 3

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