CYLINDER HEAD GASKET REMOVAL


  1. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY

    Click here

  2. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR


    1. A01HUUX

      Remove the 4 bolts and No. 1 exhaust manifold heat insulator.

  3. DISCONNECT NO. 1 WATER BY-PASS HOSE


    1. A01HT4Z

      Disconnect the No. 1 water by-pass hose.

  4. REMOVE THROTTLE WITH MOTOR BODY ASSEMBLY


    1. A01HVQK

      Disconnect the 2 hoses.

    2. A01HUCR

      Disconnect the throttle body connector.

    3. Disconnect the 2 water by-pass hoses from the throttle with motor body assembly.

    4. A01HVEC

      Remove the 4 bolts and the throttle body with fuel tube bracket.

    5. A01HUYL

      Remove the gasket from the intake manifold.

  5. REMOVE NO. 2 EGR PIPE


    1. A01HSB8

      Remove the 2 bolts, 2 nuts and No. 2 EGR pipe.

    2. Remove the 2 gaskets.

  6. REMOVE MANIFOLD STAY


    1. A01HW2Z

      Remove the bolt, nut and manifold stay.

  7. REMOVE NO. 2 MANIFOLD STAY


    1. A01HTM5

      Remove the bolt, nut and No. 2 manifold stay.

  8. REMOVE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY


    1. A01HU5U

      Remove the 5 nuts and exhaust manifold converter sub-assembly.

    2. A01HVVH

      Remove the gasket.

  9. REMOVE EGR COOLER ASSEMBLY


    1. A01HVWW

      Disconnect the water by-pass hose.

    2. A01HVTX

      Remove the bolt and nut.

    3. A01HTND

      Separate the 2 clamps.

    4. Disconnect the No. 4 water by-pass hose and No. 6 water by-pass hose.

    5. A01HURC

      Remove the bolt, nut and separate the EGR cooler assembly from the engine.

  10. REMOVE NO. 1 EGR PIPE


    1. A01HTPJ

      Remove the 2 bolts and No. 1 EGR pipe.

  11. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY


    1. A01HSZW

      Disconnect the 4 fuel injector connectors.

    2. Remove the 2 bolts, and then remove the fuel delivery pipe together with the 4 fuel injectors.

      Note

      Be careful not to drop the fuel injectors when removing the fuel delivery pipe.

    3. A01HTU7

      Remove the 2 fuel delivery spacers from the cylinder head.

    4. Remove the 4 injector vibration insulators from the cylinder head.

  12. REMOVE INTAKE MANIFOLD


    1. Remove the intake manifold from the vehicle.

    2. A01HSIJ

      Remove the gasket from the intake manifold.

    3. A01HSYT

      Remove the bolt and wire harness clamp bracket.

    4. A01HUGI

      Remove the vacuum hose from the intake manifold.

    5. A01HW42

      Remove the fuel vapor feed hose from the intake manifold.

  13. SET NO. 1 CYLINDER TO TDC/COMPRESSION


    1. Temporarily install the crankshaft pulley bolt.

      A01HSRVE05
      Text in Illustration
      *a Approximately 7° *b Approximately 32°
      *c Timing Mark *d Key

      Tech Tips

      "A" is not a timing mark.

    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.

    3. Remove the crankshaft pulley bolt.

  14. REMOVE TIMING CHAIN GUIDE


    1. A01HTEB

      Remove the bolt and timing chain guide.

  15. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY


    1. A01HU06E02
      Text in Illustration
      *1 Stopper Plate
      *2 Plunger

      Allow the plunger to extend slightly, and then rotate the stopper plate counterclockwise to release the lock. Once the lock is released, push the plunger into the tensioner.

    2. A01HW0TE02
      Text in Illustration
      *1 Pin

      Move the stopper plate clockwise to set the lock, and insert a pin into the stopper plate hole.

    3. A01HUMH

      Remove the 2 bolts, chain tensioner and gasket.

  16. REMOVE CHAIN TENSIONER SLIPPER


    1. A01HULJ

      Remove the bolt and chain tensioner slipper.

  17. REMOVE CHAIN SUB-ASSEMBLY


    1. Remove the chain sub-assembly.

  18. REMOVE NO. 1 CHAIN VIBRATION DAMPER


    1. A01HUR8

      Remove the 2 bolts and chain vibration damper.

  19. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY


    1. A01HW0BE02
      Text in Illustration
      *a Hold
      *b Turn

      Hold the hexagonal portion of the camshaft with a wrench and remove the bolt and camshaft timing gear.

      Note


      • Be careful not to damage the cylinder head or spark plug tube with the wrench.

      • Do not disassemble the camshaft timing gear.

  20. REMOVE CAMSHAFT TIMING SPROCKET


    1. A01HVMZE02
      Text in Illustration
      *a Hold
      *b Turn

      Hold the hexagonal portion of the camshaft with a wrench and remove the bolt and camshaft timing sprocket.

      Note

      Be careful not to damage the cylinder head or spark plug tube with the wrench.

  21. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY


    1. A01HV06E03

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

    2. A01HSJV

      Remove the camshaft housing by prying between the cylinder head and camshaft housing with a screwdriver.

      Tech Tips

      Tape the screwdriver tip before use.

      Note

      Be careful not to damage the contact surfaces of the cylinder head and camshaft housing.

  22. REMOVE CAMSHAFT BEARING CAP


    1. A01HUD3E03

      Remove the 11 bearing cap bolts in the sequence shown in the illustration.

    2. Remove the 5 bearing caps.

      Tech Tips

      Arrange the removed parts in the correct order.

  23. REMOVE OIL CONTROL VALVE FILTER


    1. A01HTL2

      Remove the oil control valve filter from the No. 1 camshaft bearing cap.

  24. REMOVE NO. 1 CAMSHAFT BEARING


    1. A01HTAG

      Remove the No. 1 camshaft bearing from the No. 1 camshaft bearing cap.

  25. REMOVE CAMSHAFT


    1. Remove the camshaft and No. 2 camshaft.

  26. REMOVE NO. 2 CAMSHAFT BEARING


    1. A01HUEU

      Remove the No. 2 camshaft bearing from the camshaft housing sub-assembly.

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


    1. Remove the 16 valve rocker arms from the cylinder head.

      Tech Tips

      Arrange the removed parts in the correct order.

  28. REMOVE VALVE LASH ADJUSTER ASSEMBLY


    1. Remove the 16 valve lash adjusters from the cylinder head.

      Tech Tips

      Arrange the removed parts in the correct order.

  29. REMOVE VALVE STEM CAP


    1. Remove the 16 valve stem caps from the cylinder head.

      Tech Tips

      Arrange the removed parts in the correct order.

  30. REMOVE CYLINDER HEAD SUB-ASSEMBLY


    1. A01HVBQE01

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

      Tech Tips

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

      Note


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

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

    2. Remove the cylinder head.

  31. REMOVE CYLINDER HEAD GASKET


    1. Remove the cylinder head gasket from the cylinder block.