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Installation [12/2019 - 10/2022]: Procedure

  1. SET NO. 1 CYLINDER TO TDC (COMPRESSION) 
    1. Confirm that the timing mark (cutout) on the crankshaft pulley is aligned with the "0" timing mark of the timing chain cover assembly.
      GTY685350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark (Cutout)
      *b "0" Timing Mark
  2. SET CAMSHAFT TIMING GEAR ASSEMBLY (for Bank 2) 

    HINT: 

    Perform Inspection After Repair after replacing the camshaft timing gear assembly.

    Refer to INITIALIZATION [12/2019 - 10/2022]

    1. Align the mark plate (yellow) with the timing mark of the camshaft timing gear assembly as shown in the illustration and install the No. 2 chain sub-assembly to the camshaft timing gear assembly.
      GTY631282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark
      *b Mark Plate
    2. Install the chain sub-assembly to the camshaft timing gear assembly, and then set the camshaft timing gear assembly to the camshaft housing sub-assembly LH.

      HINT: 

      • Place the chain sub-assembly on the camshaft timing gear assembly but do not engage the teeth of the sprocket and the chain sub-assembly.
      • Be sure to install the camshaft timing gear assembly with the timing mark facing upward.
      GTY662405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Place on camshaft timing gear assembly
  3. SET CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY (for Bank 2) 

    HINT: 

    Perform Inspection After Repair after replacing the camshaft timing exhaust gear assembly.

    Refer to INITIALIZATION [12/2019 - 10/2022]

    1. Align the mark plate (yellow) with the timing mark of the camshaft timing exhaust gear assembly as shown in the illustration and install the No. 2 chain sub-assembly to the camshaft timing exhaust gear assembly.
      GTY626912Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark
      *b Mark Plate
    2. Set the camshaft timing exhaust gear assembly to the camshaft housing sub-assembly LH.
  4. SET NO. 3 CHAIN TENSIONER ASSEMBLY 
    1. While lifting up the camshaft timing exhaust gear assembly, pass the No. 3 chain tensioner assembly through the No. 2 chain sub-assembly and set it in place.
      NOTE:

      Temporarily set the No. 3 chain tensioner assembly only, do not install the bolt.

      GTY638811Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL NO. 3 CAMSHAFT SUB-ASSEMBLY 

    HINT: 

    Perform Inspection After Repair after replacing the No. 3 camshaft sub-assembly.

    Refer to INITIALIZATION [12/2019 - 10/2022]

    1. Clean the camshaft housing sub-assembly LH and No. 3 camshaft sub-assembly journals and apply engine oil to them.
    2. Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.
      GTY662941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Valve Rocker Arm Sub-assembly
      *2 Valve Lash Adjuster Assembly
      *3 Valve Stem
      *4 Valve Stem Cap
    3. Align the straight pin of the No. 3 camshaft sub-assembly and the pin hole of the camshaft timing gear assembly, and install the No. 3 camshaft sub-assembly to the camshaft timing gear assembly.
      GTY618558Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pin Hole
      *b Straight Pin
      NOTE:

      Be careful not to damage the contact surface of the camshaft timing gear assembly with the straight pin of the No. 3 camshaft sub-assembly.

    4. Check that there is no clearance between the camshaft timing gear assembly and No. 3 camshaft sub-assembly flange.
  6. INSTALL NO. 4 CAMSHAFT SUB-ASSEMBLY 

    HINT: 

    Perform Inspection After Repair after replacing the No. 4 camshaft sub-assembly.

    Refer to INITIALIZATION [12/2019 - 10/2022]

    1. Clean the camshaft housing sub-assembly LH and No. 4 camshaft sub-assembly journals and apply engine oil to them.
    2. Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.
      GTY662941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Valve Rocker Arm Sub-assembly
      *2 Valve Lash Adjuster Assembly
      *3 Valve Stem
      *4 Valve Stem Cap
    3. Align the straight pin of the No. 4 camshaft sub-assembly and the pin hole of the camshaft timing exhaust gear assembly, and install the No. 4 camshaft sub-assembly to the camshaft timing exhaust gear assembly.
      GTY678622Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pin Hole
      *b Straight Pin
      NOTE:

      Be careful not to damage the contact surface of the camshaft timing exhaust gear assembly with the straight pin of the No. 4 camshaft sub-assembly.

    4. Check that there is no clearance between the camshaft timing exhaust gear assembly and No. 4 camshaft sub-assembly flange.
  7. SET CAMSHAFT BEARING CAP (for Bank 2) 
    1. Clean the camshaft bearing caps and apply engine oil to them.
    2. Slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly as shown in the illustration.

      HINT: 

      To ensure there is sufficient space for installing the No. 3 camshaft bearing cap and No. 4 camshaft bearing cap, slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly.

      GTY683024Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the replacement bolts and washers (No. 3 camshaft bearing cap and No. 4 camshaft bearing cap side).
      NOTE:

      Do not remove any of the replacement bolts and washers other than those on the No. 3 camshaft bearing cap and No. 4 camshaft bearing cap side.

      GTY628469Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Replacement Bolt and Washer
      *b No. 3 Camshaft Bearing Cap
      *c No. 4 Camshaft Bearing Cap
    4. Temporarily set the No. 3 camshaft bearing cap and No. 4 camshaft bearing cap.
      NOTE:
      • Do not install the bolts of the No. 3 camshaft bearing cap and No. 4 camshaft bearing cap.
      • Do not install any camshaft bearing caps other than the No. 3 camshaft bearing cap and No. 4 camshaft bearing cap.
    5. Slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly as shown in the illustration.
      NOTE:

      Securely insert the straight pins of the No. 3 camshaft sub-assembly and No. 4 camshaft sub-assembly into the pin holes of the camshaft timing gear assembly and camshaft timing exhaust gear assembly.

      GTY638829Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 2) 
    1. Check that there is no clearance between the camshaft timing gear assembly and No. 3 camshaft sub-assembly flange.
    2. Apply engine oil to the areas of the camshaft timing gear bolt shown in the illustration.
      GTY646788Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Use a wrench to hold the hexagonal portion of the No. 3 camshaft sub-assembly.
      GTY679008Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      Turn
    4. Temporarily install the camshaft timing gear bolt to the camshaft timing gear assembly.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      NOTE:
      • Installing the camshaft timing gear bolt while there is external force applied to the camshaft timing gear assembly could result in damage to the engine, so make sure that the camshaft bearing cap is not installed when temporarily installing the camshaft timing gear bolt.
      • Be careful not to damage the No. 3 camshaft sub-assembly, camshaft housing sub-assembly LH or spark plug tube with the wrench.
      • Make sure that the flange part of the camshaft timing gear bolt is directly contacting the camshaft timing gear assembly.
  9. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 2) 
    1. Check that there is no clearance between the camshaft timing exhaust gear assembly and No. 4 camshaft sub-assembly flange.
    2. Apply engine oil to the areas of the camshaft timing gear bolt shown in the illustration.
      GTY646784Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Use a wrench to hold the hexagonal portion of the No. 4 camshaft sub-assembly.
      GTY668660Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      Turn
    4. Temporarily install the camshaft timing gear bolt to the camshaft timing exhaust gear assembly.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      NOTE:
      • Installing the camshaft timing gear bolt while there is external force applied to the camshaft timing exhaust gear assembly could result in damage to the engine, so make sure that the camshaft bearing cap is not installed when temporarily installing the camshaft timing gear bolt.
      • Be careful not to damage the No. 4 camshaft sub-assembly, camshaft housing sub-assembly LH or spark plug tube with the wrench.
      • Make sure that the flange part of the camshaft timing gear bolt is directly contacting the camshaft timing exhaust gear assembly.
  10. INSTALL CAMSHAFT BEARING CAP (for Bank 2) 
    1. Clean the camshaft bearing caps and apply engine oil to them.
    2. Check the marks and numbers on the camshaft bearing caps, and then remove the replacement bolts and washers in the order shown in the illustration. Immediately after removing the replacement bolts and washers in the location for a camshaft bearing cap, install the camshaft bearing cap with the bolts in the order shown in the illustration.

      Bolt (A) 

      Torque: 28 N.m (286 kgf/cm, 21 ft.lbf) 

      Bolt (B) 

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

      NOTE:
      • Be sure to follow the numerical order when performing this procedure.
      • Do not drop replacement bolts and washers into the cylinder head LH.
      Fig 1: Camshaft Bearing Caps (For Bank 2) Bolts Tightening Sequence
      GTY660079Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Replacement Bolt and Washer
      *b Replacement Bolt and Washer Removal
      *c Part Installation
      Bolt (A)
      Bolt (B)
    3. Check the torque of each bolt again.
  11. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 2) 
    1. Use a wrench to hold the hexagonal portion of the No. 3 camshaft sub-assembly.
      GTY621809Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      Turn
    2. Tighten the camshaft timing gear bolt.

      Torque: 95 N.m (969 kgf/cm, 70 ft.lbf) 

      NOTE:

      Be careful not to damage the No. 3 camshaft sub-assembly, camshaft housing sub-assembly LH or spark plug tube with the wrench.

  12. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 2) 
    1. Use a wrench to hold the hexagonal portion of the No. 4 camshaft sub-assembly.
      GTY737504Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      Turn
    2. Tighten the camshaft timing gear bolt.

      Torque: 95 N.m (969 kgf/cm, 70 ft.lbf) 

      NOTE:

      Be careful not to damage the No. 4 camshaft sub-assembly, camshaft housing sub-assembly LH or spark plug tube with the wrench.

  13. INSTALL NO. 3 CHAIN TENSIONER ASSEMBLY 
    1. Install the No. 3 chain tensioner assembly with the bolt.

      Torque: 21 N.m (214 kgf/cm, 15 ft.lbf) 

  14. CONNECT CHAIN SUB-ASSEMBLY (for Bank 2) 
    1. Align the paint marks on the camshaft timing gear assembly and chain sub-assembly and install the chain sub-assembly to the camshaft timing gear assembly.

      HINT: 

      If the paint marks are not aligned, align them by turning the No. 3 camshaft sub-assembly slightly.

      GTY654681Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
  15. SET CAMSHAFT TIMING GEAR ASSEMBLY (for Bank 1) 

    HINT: 

    Perform Inspection After Repair after replacing the camshaft timing gear assembly.

    Refer to INITIALIZATION [12/2019 - 10/2022]

    1. Align the mark plate (yellow) with the timing mark of the camshaft timing gear assembly as shown in the illustration and install the No. 2 chain sub-assembly to the camshaft timing gear assembly.
      GTY680002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark
      *b Mark Plate
    2. Install the chain sub-assembly to the camshaft timing gear assembly, and then set the camshaft timing gear assembly to the camshaft housing sub-assembly.

      HINT: 

      • Place the chain sub-assembly on the camshaft timing gear assembly but do not engage the teeth of the sprocket and the chain sub-assembly.
      • Be sure to install the camshaft timing gear assembly with the timing mark facing upward.
      GTY672265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Place on camshaft timing gear assembly
  16. SET CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY (for Bank 1) 

    HINT: 

    Perform Inspection After Repair after replacing the camshaft timing exhaust gear assembly.

    Refer to INITIALIZATION [12/2019 - 10/2022]

    1. Align the mark plate (yellow) with the timing mark of the camshaft timing exhaust gear assembly as shown in the illustration and install the No. 2 chain sub-assembly to the camshaft timing exhaust gear assembly.
      GTY664406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark
      *b Mark Plate
    2. Set the camshaft timing exhaust gear assembly to the camshaft housing sub-assembly.
  17. SET NO. 2 CHAIN TENSIONER ASSEMBLY 
    1. While lifting up the camshaft timing exhaust gear assembly, pass the No. 2 chain tensioner assembly through the No. 2 chain sub-assembly and set it in place.
      NOTE:

      Temporarily set the No. 2 chain tensioner assembly only, do not install the bolt.

      GTY639693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. INSTALL CAMSHAFT 

    HINT: 

    Perform Inspection After Repair after replacing the camshaft.

    Refer to INITIALIZATION [12/2019 - 10/2022]

    1. Turn the crankshaft clockwise until it is in the position shown in the illustration so that the chain sub-assembly can be installed easily.

      HINT: 

      When turning the crankshaft, engine oil may spray out of the oil holes.

      GTY632514Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 5 to 10°
    2. Clean the camshaft housing sub-assembly and camshaft journals and apply engine oil to them.
    3. Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.
      GTY662941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Valve Rocker Arm Sub-assembly
      *2 Valve Lash Adjuster Assembly
      *3 Valve Stem
      *4 Valve Stem Cap
    4. Align the straight pin of the camshaft and the pin hole of the camshaft timing gear assembly, and install the camshaft to the camshaft timing gear assembly.
      GTY625853Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pin Hole
      *b Straight Pin
      NOTE:

      Be careful not to damage the contact surface of the camshaft timing gear assembly with the straight pin of the camshaft.

    5. Check that there is no clearance between the camshaft timing gear assembly and camshaft flange.
  19. INSTALL NO. 2 CAMSHAFT 

    HINT: 

    Perform Inspection After Repair after replacing the No. 2 camshaft.

    Refer to INITIALIZATION [12/2019 - 10/2022]

    1. Clean the camshaft housing sub-assembly and No. 2 camshaft journals and apply engine oil to them.
    2. Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.
      GTY662941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Valve Rocker Arm Sub-assembly
      *2 Valve Lash Adjuster Assembly
      *3 Valve Stem
      *4 Valve Stem Cap
    3. Align the straight pin of the No. 2 camshaft and the pin hole of the camshaft timing exhaust gear assembly, and install the No. 2 camshaft to the camshaft timing exhaust gear assembly.
      GTY613699Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Pin Hole
      *b Straight Pin
      NOTE:

      Be careful not to damage the contact surface of the camshaft timing exhaust gear assembly with the straight pin of the No. 2 camshaft.

    4. Check that there is no clearance between the camshaft timing exhaust gear assembly and No. 2 camshaft flange.
  20. SET CAMSHAFT BEARING CAP (for Bank 1) 
    1. Clean the camshaft bearing caps and apply engine oil to them.
    2. Slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly as shown in the illustration.

      HINT: 

      To ensure there is sufficient space for installing the No. 1 camshaft bearing cap and No. 2 camshaft bearing cap, slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly.

      GTY660274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the replacement bolts and washers (No. 1 camshaft bearing cap and No. 2 camshaft bearing cap side).
      NOTE:

      Do not remove any of the replacement bolts and washers other than those on the No. 1 camshaft bearing cap and No. 2 camshaft bearing cap side.

      GTY635141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Replacement Bolt and Washer
      *b No. 1 Camshaft Bearing Cap
      *c No. 2 Camshaft Bearing Cap
    4. Temporarily set the No. 1 camshaft bearing cap and No. 2 camshaft bearing cap.
      NOTE:
      • Do not install the bolts of the No. 1 camshaft bearing cap and No. 2 camshaft bearing cap.
      • Do not install any camshaft bearing caps other than the No. 1 camshaft bearing cap and No. 2 camshaft bearing cap.
    5. Slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly as shown in the illustration.
      NOTE:

      Securely insert the straight pins of the camshaft and No. 2 camshaft into the pin holes of the camshaft timing gear assembly and camshaft timing exhaust gear assembly.

      GTY638846Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1) 
    1. Check that there is no clearance between the camshaft timing gear assembly and camshaft flange.
    2. Apply engine oil to the areas of the camshaft timing gear bolt shown in the illustration.
      GTY646788Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Use a wrench to hold the hexagonal portion of the camshaft.
      GTY681464Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      Turn
    4. Temporarily install the camshaft timing gear bolt.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      NOTE:
      • Installing the camshaft timing gear bolt while there is external force applied to the camshaft timing gear assembly could result in damage to the engine, so make sure that the camshaft bearing cap is not installed when temporarily installing the camshaft timing gear bolt.
      • Be careful not to damage the camshaft, camshaft housing sub-assembly or spark plug tube with the wrench.
      • Make sure that the flange part of the camshaft timing gear bolt is directly contacting the camshaft timing gear assembly.
  22. TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 1) 
    1. Check that there is no clearance between the camshaft timing exhaust gear assembly and No. 2 camshaft flange.
    2. Apply engine oil to the areas of the camshaft timing gear bolt shown in the illustration.
      GTY646784Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Use a wrench to hold the hexagonal portion of the No. 2 camshaft.
      GTY623091Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      Turn
    4. Temporarily install the camshaft timing gear bolt.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      NOTE:
      • Installing the camshaft timing gear bolt while there is external force applied to the camshaft timing exhaust gear assembly could result in damage to the engine, so make sure that the camshaft bearing cap is not installed when temporarily installing the camshaft timing gear bolt.
      • Be careful not to damage the No. 2 camshaft, camshaft housing sub-assembly or spark plug tube with the wrench.
      • Make sure that the flange part of the camshaft timing gear bolt is directly contacting the camshaft timing exhaust gear assembly.
  23. INSTALL CAMSHAFT BEARING CAP (for Bank 1) 
    1. Clean the camshaft bearing caps and apply engine oil to them.
    2. Check the marks and numbers on the camshaft bearing caps, and then remove the replacement bolts and washers in the order shown in the illustration. Immediately after removing the replacement bolts and washers in the location for a camshaft bearing cap, install the camshaft bearing cap with the bolts in the order shown in the illustration.

      Bolt (A) 

      Torque: 28 N.m (286 kgf/cm, 21 ft.lbf) 

      Bolt (B), (C) 

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

      NOTE:
      • Be sure to follow the numerical order when performing this procedure.
      • Do not drop replacement bolts and washers into the cylinder head sub-assembly.
      Fig 2: Camshaft Bearing Caps (For Bank 1) Bolts Tightening Sequence
      GTY614498Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Replacement Bolt and Washer
      *b Replacement Bolt and Washer Removal
      *c Part Installation
      Bolt (A)
      Bolt (B)
      Bolt (C)
    3. Check the torque of each bolt again.
  24. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1) 
    1. Use a wrench to hold the hexagonal portion of the camshaft.
      GTY705242Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      Turn
    2. Tighten the camshaft timing gear bolt.

      Torque: 95 N.m (969 kgf/cm, 70 ft.lbf) 

      NOTE:

      Be careful not to damage the camshaft, camshaft housing sub-assembly or spark plug tube with the wrench.

  25. TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 1) 
    1. Use a wrench to hold the hexagonal portion of the No. 2 camshaft.
      GTY639365Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      Turn
    2. Tighten the camshaft timing gear bolt.

      Torque: 95 N.m (969 kgf/cm, 70 ft.lbf) 

      NOTE:

      Be careful not to damage the No. 2 camshaft, camshaft housing sub-assembly or spark plug tube with the wrench.

  26. INSTALL NO. 2 CHAIN TENSIONER ASSEMBLY 
    1. Install the No. 2 chain tensioner assembly with the bolt.

      Torque: 21 N.m (214 kgf/cm, 15 ft.lbf) 

  27. CONNECT CHAIN SUB-ASSEMBLY (for Bank 1) 
    1. Align the paint marks on the camshaft timing gear assembly and chain sub-assembly and install the chain sub-assembly to the camshaft timing gear assembly.

      HINT: 

      If the paint marks are not aligned, align them by turning the camshaft slightly.

      GTY631217Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark
  28. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY 
    1. Turn the crankshaft counterclockwise 30° past the "0" timing mark, and then turn it clockwise to align the notch with the "0" timing mark.
      GTY611909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the crankshaft slightly to eliminate the slack in the chain sub-assembly.

      HINT: 

      Make sure there is some slack in the chain sub-assembly around the area where the No. 1 chain tensioner assembly is installed.

    3. Turn the stopper plate clockwise to release the lock, and push the plunger deep into the No. 1 chain tensioner assembly.
      GTY773890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Stopper Plate
      *b Plunger
    4. Turn the stopper plate counterclockwise to set the lock, and insert a 1.0 mm (0.0394 in.) diameter pin into the hole of the stopper plate.
    5. Install the No. 1 chain tensioner assembly to the cylinder head sub-assembly with the 2 bolts.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

    6. Remove the 1.0 mm (0.0394 in.) diameter pin from the No. 1 chain tensioner assembly.
  29. INSPECT VALVE TIMING 
    1. Check the camshaft timing marks.
      NOTE:
      • Check each timing mark from a viewpoint directly in line with the center of the camshaft and the timing mark on each camshaft timing gear assembly and each camshaft timing exhaust gear assembly.
      • If the timing marks are checked from any other viewpoint, the valve timing may appear misaligned.
    2. Check that each camshaft timing mark is positioned as shown in the illustration.
      GTY656947Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Timing Mark *b Viewpoint

      HINT: 

      For the camshaft or No. 3 camshaft sub-assembly:

      Be sure to check mark (A) at the point where marks (B), (C) and (D) are positioned in line. If the marks are checked from any other viewpoint, they cannot be checked correctly.

      GTY680163Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. If the valve timing is misaligned, reinstall the chain sub-assembly.
    4. Turn the crankshaft 2 revolutions, set the No. 1 cylinder to TDC/compression and check the timing marks again.
  30. INSTALL TIMING CHAIN COVER PLATE 

    Refer to PROCEDURE - Step 49

  31. INSTALL SPARK PLUG TUBE GASKET 

    Refer to PROCEDURE - Step 59

  32. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 60

  33. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 61

  34. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2) 

    Refer to PROCEDURE - Step 1

  35. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2) 

    Refer to PROCEDURE - Step 6

  36. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1) 

    Refer to PROCEDURE - Step 3

  37. INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1) 

    Refer to PROCEDURE - Step 5

  38. INSTALL WATER FILLER BRACKET 

    Refer to PROCEDURE - Step 1

  39. INSTALL WIRE HARNESS CLAMP BRACKET 

    Refer to PROCEDURE - Step 2

  40. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE 

    Refer to PROCEDURE - Step 5

  41. INSTALL VACUUM PUMP ASSEMBLY 

    Refer to PROCEDURE - Step 1

  42. INSTALL IGNITION COIL ASSEMBLY 

    Refer to PROCEDURE - Step 2

  43. INSTALL AIR SURGE TANK TO INTAKE MANIFOLD GASKET 

    Refer to PROCEDURE - Step 11

  44. INSTALL INTAKE AIR SURGE TANK ASSEMBLY 

    Refer to PROCEDURE - Step 12

  45. CONNECT PURGE VALVE (PURGE VSV) 

    Refer to PROCEDURE - Step 13

  46. CONNECT VENTILATION HOSE 

    Refer to PROCEDURE - Step 14

  47. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY 

    Refer to INSTALLATION [12/2019 - 10/2022]

  48. INSTALL ENGINE HANGERS 

    See step  61 [12/2019 - 09/2020], or see step  61 [09/2020 - 10/2022]

  49. REMOVE ENGINE ASSEMBLY FROM ENGINE STAND 

    Refer to INSTALLATION [12/2019 - 09/2020] , or refer to INSTALLATION [09/2020 - 10/2022]

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