CYLINDER HEAD GASKET REMOVAL

  1. REMOVE CAMSHAFT

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  2. REMOVE NO. 2 CAMSHAFT

    1. Remove the No. 2 camshaft.

  3. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY RH

    1. Remove the camshaft housing sub-assembly RH by prying between the cylinder head and camshaft housing sub-assembly RH with a screwdriver.

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      Text in Illustration
      *1 Protective Tape

      Note

      Be careful not to damage the contact surfaces of the cylinder head and camshaft housing sub-assembly RH.

      Tech Tips

      Tape the screwdriver tip before use.

  4. REMOVE CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 2)

    1. While pushing down the No. 3 chain tensioner assembly, insert a pin of 1.0 mm (0.0394 in.) diameter into the hole to hold the No. 3 chain tensioner assembly.

      A011SKXE07
      Text in Illustration
      *1 Pin
      *2 Plunger
      *a Push

    2. Using SST to hold the hexagonal portion of each camshaft, loosen the flange bolts of the camshaft timing gear assembly and the camshaft timing exhaust gear assembly.

      A011SD0E06
      Text in Illustration
      *a Turn
      *b Hold
      SST
      09922-10010

      Note

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

      • Do not loosen the other bolts. If any of the bolts is loosened, replace the camshaft timing gear assembly and/or the camshaft timing exhaust gear assembly with a new one.

    3. Remove the 2 bolts and the camshaft timing gear together with the No. 2 chain.

  5. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY

    1. Remove the bolt and No. 3 chain tensioner assembly.

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  6. REMOVE CAMSHAFT BEARING CAP (for Bank 2)

    1. Check that the camshafts are positioned as shown in the illustration.

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      Text in Illustration
      *1 Knock Pin
      *a Front View

    2. Uniformly loosen and remove the 8 bearing cap bolts in several steps and in the sequence shown in the illustration.

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    3. Uniformly loosen and remove the 13 bearing cap bolts in several steps and in the sequence shown in the illustration.

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      Note

      Uniformly loosen the bolts while keeping the camshaft level.

    4. Remove the 5 camshaft bearing caps.

  7. REMOVE NO. 3 CAMSHAFT

    1. Remove the No. 3 camshaft.

  8. REMOVE NO. 4 CAMSHAFT

    1. Remove the No. 4 camshaft.

  9. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH

    1. Remove the camshaft housing sub-assembly LH by prying between the cylinder head and camshaft housing sub-assembly LH with a screwdriver.

      A011TIOE02
      Text in Illustration
      *1 Protective Tape

      Note

      Be careful not to damage the contact surfaces of the cylinder head and camshaft housing sub-assembly LH.

      Tech Tips

      Tape the screwdriver tip before use.

  10. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY

    1. Remove the 24 valve rocker arms.

      Tech Tips

      Arrange the removed parts in the correct order.

  11. REMOVE VALVE LASH ADJUSTER ASSEMBLY

    1. Remove the 24 valve lash adjuster assemblies from the cylinder head.

      Tech Tips

      Arrange the removed parts in the correct order.

  12. REMOVE VALVE STEM CAP

    1. Remove the 24 valve stem caps.

  13. REMOVE WATER OUTLET

    1. Remove the 2 bolts, 4 nuts and water outlet.

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      Text in Illustration
      *1 Nut
      *2 Bolt

    2. Remove the 2 gaskets and O-ring.

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  14. REMOVE CYLINDER HEAD SUB-ASSEMBLY RH

    1. Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 cylinder head bolts in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.

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      Note

      • Be careful not to drop washers into the cylinder head sub-assembly.

      • Cylinder head warpage or cracking could result from removing bolts in the incorrect order.

      Tech Tips

      Arrange the removed parts in the correct order.

    2. Remove the cylinder head sub-assembly RH.

  15. REMOVE CYLINDER HEAD GASKET RH

    1. Remove the cylinder head gasket RH.

  16. REMOVE CYLINDER HEAD SUB-ASSEMBLY LH

    1. Uniformly loosen and remove the 2 cylinder head set bolts in several steps and in the sequence shown in the illustration.

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    2. Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 bolts in the sequence shown in the illustration. Remove the 8 cylinder head bolts and plate washers.

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      Note

      • Be careful not to drop washers into the cylinder head sub-assembly.

      • Cylinder head warpage or cracking could result from removing bolts in the incorrect order.

      Tech Tips

      Be sure to keep separate the removed parts for each installation position.

    3. Remove the cylinder head sub-assembly LH.

  17. REMOVE CYLINDER HEAD GASKET LH

    1. Remove the cylinder head gasket LH.