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Installation [02/2017 - ]: Procedure

  1. INSTALL VALVE LASH ADJUSTER ASSEMBLY 

    Refer to PROCEDURE - Step 13 [02/2017 - 10/2017] , or refer to PROCEDURE - Step 13 [10/2017 - ]

  2. INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 14 [02/2017 - 10/2017] , or refer to PROCEDURE - Step 14 [10/2017 - ]

  3. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY 
    1. Check that the No. 1 valve rocker arm sub-assemblies are installed as shown in the illustration.
      GTY764506Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Valve Rocker Arm Sub-assembly
      *2 Valve Stem Cap
      *3 Valve Lash Adjuster Assembly
      *a Correct
      *b Incorrect
    2. Apply seal packing in a continuous line as shown in the illustration.
      GTY752286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Continuous line

      Seal Packing

      Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

      Seal Packing Application Chart

      Area Seal Packing Diameter Application length
      Continuous line 3.5 to 4.5 mm (0.138 to 0.177 in.) -
      (A) 8.0 mm (0.315 in.) 15 mm (0.591 in.)
      (B) 7.0 mm (0.276 in.) 15 mm (0.591 in.)
      NOTE:
      • Remove any oil from the contact surfaces.
      • Install the camshaft housing sub-assembly within 3 minutes and tighten the bolts within 10 minutes of applying seal packing.
      • Do not start the engine for at least 2 hours after installation.
    3. Set the camshaft and No. 2 camshaft as shown in the illustration.
      Fig 1: Camshaft Housing Sub-Assembly Tightening Sequence
      GTY440204Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the camshaft housing sub-assembly with the 17 bolts and tighten them in the order shown in the illustration.

      Torque: 27 N*m (275 kgf*cm, 20 ft.*lbf) 

      NOTE:
      • After installing the camshaft housing sub-assembly, make sure that the cam lobes are positioned as shown in the illustration.
      • If any of the bolts are loosened during installation, remove the camshaft housing sub-assembly, clean the installation surfaces, and reapply seal packing.
      • If the camshaft housing sub-assembly is removed because any of the bolts are loosened during installation, make sure that the previously applied seal packing does not enter any oil passages.
      • After installing the camshaft housing sub-assembly, wipe off any seal packing that seeped out from between the camshaft housing sub-assembly and cylinder head sub-assembly.

      HINT: 

      Perform "Inspection After Repair" after replacing the camshaft housing sub-assembly.

      Refer to INITIALIZATION [02/2017 - ]

  4. INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY 
    1. Fit the camshaft timing exhaust gear assembly and No. 2 camshaft together by aligning the pin hole and straight pin.
      GTY444831Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Straight Pin
      *a Pin Hole
      NOTE:

      Do not forcibly push in the camshaft timing exhaust gear assembly. This may cause the No. 2 camshaft straight pin tip to damage the installation surface of the camshaft timing exhaust gear assembly.

    2. Lightly press the camshaft timing exhaust gear assembly against the No. 2 camshaft and turn the camshaft timing exhaust gear assembly. Push further at the position where the straight pin enters the pin hole.
      NOTE:

      Be sure not to turn the camshaft timing exhaust gear assembly in the retard direction (clockwise).

    3. Check that there is no gap between the camshaft timing exhaust gear assembly and No. 2 camshaft flange.
      GTY437254Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Camshaft Timing Exhaust Gear Assembly
      *a Flange
      *b Gap
      *c No Gap
    4. Tighten the bolt with the camshaft timing exhaust gear assembly secured in place.
      GTY429315Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 54 N*m (551 kgf*cm, 40 ft.*lbf) 

    5. Check the camshaft timing exhaust gear assembly lock.
      1. Make sure that the camshaft timing exhaust gear assembly is locked.

        HINT: 

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

        Refer to INITIALIZATION [02/2017 - ]

  5. INSTALL CAMSHAFT TIMING GEAR ASSEMBLY 
    1. Put the camshaft timing gear assembly and camshaft together with the straight pin and key groove misaligned as shown in the illustration.
      GTY743529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Straight Pin
      *a Key Groove
      NOTE:

      Do not forcibly push in the camshaft timing gear assembly. This may cause the camshaft straight pin tip to damage the installation surface of the camshaft timing gear assembly.

    2. Turn the camshaft timing gear assembly as shown in the illustration while pushing it gently against the camshaft. Push further at the position where the straight pin fits into the key groove.
      GTY764648Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Straight Pin
      *a View A
      *b Key Groove
      NOTE:

      Do not turn the camshaft timing gear assembly in the retard direction (clockwise).

    3. Check that there is no gap between the camshaft timing gear assembly and camshaft flange.
      GTY437253Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Camshaft Timing Gear Assembly
      *a Flange
      *b Gap
      *c No Gap
    4. Tighten the bolt with the camshaft timing gear assembly secured in place.
      GTY429316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 54 N*m (551 kgf*cm, 40 ft.*lbf) 

    5. Check that the camshaft timing gear assembly can move in the retard direction (clockwise) and locks in the most retarded position.
      GTY745463Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Lock

      HINT: 

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

      Refer to INITIALIZATION [02/2017 - ]

  6. INSTALL CHAIN SUB-ASSEMBLY 

    Refer to INSTALLATION [02/2017 - ]

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