CAMSHAFT(for Bank 1) INSTALLATION

PROCEDURE


  1. INSTALL CAMSHAFT BEARING CAP LH


    1. Apply a light coat of engine oil to the camshaft journals, camshaft housings and bearing caps.

    2. Install the No. 3 and No. 4 camshafts to the camshaft housing.

    3. A000Z0C

      Confirm the marks and numbers on the camshaft bearing caps and place them each in their proper positions and directions.

    4. A000Y7CE04

      Temporarily install the 8 bolts in the order shown in the illustration.

  2. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY LH


    1. A000YF9E02
      Text in Illustration
      *1 No. 1 Valve Rocker Arm Sub-assembly
      *2 Valve Stem Cap
      *3 Valve Lash Adjuster Assembly

      Make sure that the valve rocker arms are installed as shown in the illustration.

    2. A000UDUE02
      *1 3.5 to 4.5 mm

      Apply seal packing in a continuous line as shown in the illustration.

      Seal packing
      Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
      Standard seal diameter
      3.5 to 4.5 mm (0.138 to 0.177 in.)

      Note


      • Remove any oil from the contact surface.

      • Install the camshaft housing within 3 minutes and tighten the bolts within 10 minutes after applying seal packing.

    3. A000W9IE03

      Install the camshaft housing, and install the 18 bolts in the order shown in the illustration.

      Torque:
      for bolt A
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }
      except bolt A
      30 N*m  { 306 kgf*cm, 22 ft.*lbf }

      Note


      • Do not start the engine for at least 2 hours after the installation.

      • Make sure that the knock pin of the camshaft is positioned as shown in the illustration before installing the camshaft housing.

    4. A000UMNE06

      Tighten the 8 bolts in the order shown in the illustration.

      Torque:
      16 N*m  { 163 kgf*cm, 12 ft.*lbf }

      Note

      Thoroughly wipe clean any seal packing.

  3. SET NO. 1 CYLINDER TO TDC / COMPRESSION

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  4. INSTALL NO. 3 CHAIN TENSIONER ASSEMBLY

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  5. INSTALL NO. 1 CHAIN SUB-ASSEMBLY LH

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  6. INSTALL NO. 1 CHAIN TENSIONER SLIPPER LH

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  7. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY LH

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  8. INSTALL NO. 1 CHAIN VIBRATION DAMPER LH

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  9. TIGHTEN CAMSHAFT TIMING GEAR ASSEMBLY

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  10. CHECK NO. 1 CYLINDER TO TDC / COMPRESSION

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  11. INSTALL TIMING CHAIN COVER SUB-ASSEMBLY

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