CAMSHAFT REMOVAL


  1. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY

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  2. SET NO. 1 CYLINDER TO TDC/COMPRESSION


    1. Temporarily tighten the crankshaft pulley set bolt.

    2. Rotate the crankshaft clockwise so that the timing marks on the crankshaft timing gear and camshaft timing gears are as shown in the illustration.

      Tech Tips

      If the timing marks do not align, rotate the crankshaft clockwise again and align the timing marks.

      A0162ITE03

  3. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for Bank 1)


    1. A0160TRE01

      Move the stopper plate upward to release the lock, and fully push the plunger into the tensioner.

    2. Move the stopper plate downward to set the lock, and insert a 2 mm hexagon wrench into the stopper plate hole.

    3. A0160XY

      Remove the 2 bolts and No. 1 chain tensioner assembly.

    4. Remove the chain tensioner gasket.

  4. REMOVE CHAIN TENSIONER SLIPPER (for Bank 1)


    1. A015Z64

      Remove the chain tensioner slipper.

  5. REMOVE NO. 1 CHAIN VIBRATION DAMPER (for Bank 1)


    1. A0160SV

      Remove the 2 bolts and No. 1 chain vibration damper.

  6. REMOVE CHAIN SUB-ASSEMBLY (for Bank 1)


    1. A0160R4E01

      While pushing down the No. 3 chain tensioner assembly, insert a φ1.0 mm (0.0394 in.) pin into the hole to fix it in place.

    2. A0162V1E01

      Hold the hexagonal portion of the camshaft with a wrench and loosen the bolt with a 12 mm hexagon wrench.

      Note


      • Be careful not to damage the cylinder head with the wrench.

      • Do not disassemble the camshaft timing gear.

    3. A0161AWE01

      Hold the hexagonal portion of the camshaft with a wrench and loosen the bolt.

      Note

      Be careful not to damage the cylinder head with the wrench.

    4. Remove the 2 bolts. Then with the chain sub-assembly and No. 2 chain sub-assembly still connected to the gears, remove the camshaft timing gear assembly, camshaft timing exhaust gear assembly and crankshaft timing sprocket LH.

    5. Remove the chain sub-assembly and No. 2 chain sub-assembly from the gears.

  7. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY


    1. A015ZAP

      Remove the 2 bolts and No. 3 chain tensioner assembly.

  8. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for Bank 2)


    1. A0162L2E01

      Move the stopper plate upward to release the lock, and fully push the plunger into the tensioner.

    2. Move the stopper plate downward to set the lock, and insert a 2 mm hexagon wrench into the stopper plate hole.

    3. A0162ED

      Remove the 2 bolts and No. 1 chain tensioner assembly.

  9. REMOVE CHAIN TENSIONER SLIPPER (for Bank 2)


    1. A015YU9

      Remove the chain tensioner slipper.

  10. REMOVE NO. 1 CHAIN VIBRATION DAMPER (for Bank 2)


    1. A015ZZV

      Remove the 2 bolts and No. 1 chain vibration damper.

  11. REMOVE CHAIN SUB-ASSEMBLY (for Bank 2)


    1. A0163JTE01

      While raising up the No. 2 chain tensioner, insert a φ1.0 mm (0.0394 in.) pin into the hole to fix it in place.

    2. A015Z8UE01

      Hold the hexagonal portion of the camshaft with a wrench and loosen the bolt with a 12 mm hexagon wrench.

      Note


      • Be careful not to damage the cylinder head with the wrench.

      • Do not disassemble the camshaft timing gear.

    3. A015YLTE01

      Hold the hexagonal portion of the camshaft with a wrench and loosen the bolt.

      Note

      Be careful not to damage the cylinder head with the wrench.

    4. Remove the 2 bolts. Then with the chain sub-assembly and No. 2 chain sub-assembly still connected to the gears, remove the camshaft timing gear assembly, camshaft timing exhaust gear assembly and crankshaft timing gear.

    5. Remove the chain sub-assembly and No. 2 chain sub-assembly from the gears.

  12. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY


    1. A0160U1

      Remove the 2 bolts and No. 2 chain tensioner assembly.

  13. REMOVE OIL REFLECTOR PLATE LH (for Bank 1)


    1. A0161NQ

      Remove the 2 bolts and oil reflector plate LH from the cylinder head assembly LH.

  14. REMOVE CAMSHAFT BEARING CAP (for Bank 1)

    Note

    When rotating the camshafts without the timing chains installed, be careful to ensure that the valves do not contact the pistons. If contact occurs between the valves and pistons, damage may result.


    1. A0162QDE01

      Make sure that each knock pin of the camshafts is positioned as shown in the illustration.

    2. A0160P5E01

      Uniformly loosen and remove the 20 bearing cap bolts in the sequence shown in the illustration.

      Note

      Uniformly loosen the bolts while keeping the camshaft level.

    3. Remove the 8 bearing caps.

      Note

      Arrange the removed parts in the correct order.

  15. REMOVE NO. 3 CAMSHAFT


    1. Remove the No. 3 camshaft from the cylinder head sub-assembly.

  16. REMOVE NO. 4 CAMSHAFT


    1. Remove the No. 4 camshaft from the cylinder head sub-assembly.

  17. REMOVE OIL REFLECTOR PLATE RH (for Bank 2)


    1. A0162QZ

      Remove the 2 bolts and oil reflector plate RH from the cylinder head assembly.

  18. REMOVE CAMSHAFT BEARING CAP (for Bank 2)

    Note

    When rotating the camshafts without the timing chains installed, be careful to ensure that the valves do not contact the pistons. If contact occurs between the valves and pistons, damage may result.


    1. A0160AHE01

      Make sure that each knock pin of the camshafts is positioned as shown in the illustration.

    2. A0162T9E01

      Uniformly loosen and remove the 20 bearing cap bolts in the sequence shown in the illustration.

      Note

      Uniformly loosen the bolts while keeping the camshaft level.

    3. Remove the 8 bearing caps.

      Note

      Arrange the removed parts in the correct order.

  19. REMOVE CAMSHAFT


    1. Remove the camshaft from the cylinder head sub-assembly.

  20. REMOVE NO. 2 CAMSHAFT


    1. Remove the No. 2 camshaft from the cylinder head sub-assembly.