CAMSHAFT REMOVAL

PROCEDURE


  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    Note


    • After turning the engine switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work Click here.

    • When disconnecting the cable, some systems need to be initialized after the cable is reconnected Click here.

  2. REMOVE FRONT BUMPER COVER LOWER

    Click here

  3. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY

    Click here

  4. DRAIN ENGINE OIL

    Click here

  5. DRAIN ENGINE COOLANT

    Click here

  6. REMOVE UPPER RADIATOR SUPPORT SEAL

    Click here

  7. DISCONNECT CABLE FROM POSITIVE BATTERY TERMINAL

  8. REMOVE BATTERY HOLD DOWN CLAMP

    Click here

  9. REMOVE BATTERY

  10. REMOVE BATTERY TRAY

  11. REMOVE V-BANK COVER

    Click here

  12. REMOVE AIR CLEANER CAP AND HOSE

    Click here

  13. REMOVE AIR CLEANER CASE SUB-ASSEMBLY

    Click here

  14. REMOVE NO. 1 RADIATOR HOSE

    Click here

  15. REMOVE NO. 2 RADIATOR HOSE

    Click here

  16. REMOVE RADIATOR RESERVOIR

    Click here

  17. DISCONNECT OIL COOLER TUBE (w/ Warmer)

    Click here

  18. DISCONNECT OIL COOLER TUBE (w/ Air Cooled Transmission Oil Cooler)

    Click here

  19. REMOVE FAN SHROUD

    Click here

  20. REMOVE AIR TUBE ASSEMBLY (w/ Secondary Air Injection System)

    Click here

  21. REMOVE INTAKE AIR SURGE TANK

    Click here

  22. REMOVE AIR TUBE (w/ Secondary Air Injection System)

    Click here

  23. REMOVE NO. 2 AIR TUBE (w/ Secondary Air Injection System)

    Click here

  24. REMOVE EMISSION CONTROL VALVE SET (w/ Secondary Air Injection System)

    Click here

  25. REMOVE NO. 2 EMISSION CONTROL VALVE SET (w/ Secondary Air Injection System)

    Click here

  26. REMOVE IGNITION COIL ASSEMBLY

    Click here

  27. DISCONNECT VANE PUMP ASSEMBLY

    Click here

  28. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY

    Click here

  29. REMOVE WIRING HARNESS CLAMP BRACKET

    Click here

  30. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR

    Click here

  31. REMOVE GENERATOR ASSEMBLY

    Click here

  32. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE

    Click here

  33. REMOVE WATER BY-PASS PIPE SUB-ASSEMBLY (w/ Oil Cooler)

    Click here

  34. REMOVE NO. 1 OIL PIPE

    Click here

  35. REMOVE NO. 2 OIL PIPE

    Click here

  36. REMOVE REAR CYLINDER HEAD COVER

    Click here

  37. DISCONNECT FUEL PIPE SUB-ASSEMBLY

    Click here

  38. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH

    Click here

  39. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

    Click here

  40. REMOVE TIMING CHAIN COVER PLATE


    1. B001D57

      Remove the 4 bolts, timing chain cover plate and gasket.

  41. SET NO. 1 CYLINDER TO TDC/COMPRESSION


    1. B001H99

      Turn the crankshaft pulley and align the notch with the "0" timing mark of the timing chain cover.

    2. B001CA4E01
      Text in Illustration
      *A for Bank 2
      *B for Bank 1
      *1 Paint Mark

      Check that the timing marks of the camshaft timing gears are aligned with the timing marks of the bearing caps as shown in the illustration.

      Tech Tips

      If the marks are not aligned, turn the crankshaft again to align the marks.

    3. Place paint marks on the timing marks and sprockets of each camshaft timing gear and on the links of the No. 1 chain.

      Tech Tips

      Be sure to place the paint marks on 2 links of the chain and on the sprockets of the camshaft timing gears at the locations of the timing marks of the camshaft timing gears.

  42. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY


    1. B001DLVE08

      Turn the crankshaft approximately 30° counterclockwise so that there is some slack in the chain.

      Tech Tips

      This prevents the valves and pistons from interfering with each other.

    2. B001FWWE10
      Text in Illustration
      *1 Lever Hole
      *2 Tensioner Hole

      Align the hole in the lever of the tensioner with the hole in the tensioner body as shown in the illustration, and then insert a pin with a diameter of 1.27 mm (0.0500 in.) into the hole.

    3. B001H99

      Turn the crankshaft clockwise and align the notch with the "0" timing mark of the timing chain cover.

    4. B001GJ4

      Remove the 2 bolts and chain tensioner.

      Note

      Do not drop the No. 1 chain tensioner assembly or bolts into the timing chain cover.

  43. DISCONNECT CHAIN SUB-ASSEMBLY (for Bank 1)


    1. B001E8BE08

      Turn the crankshaft clockwise until it is in the position shown in the illustration so that there is some slack in the chain between the banks.

      Tech Tips

      When turning the crankshaft, engine oil may spray out of the oil holes.

      CAUTION:

      As the camshafts turn suddenly, do not touch the camshafts or camshaft timing gears.

    2. B001CFFE03
      *1 5° to 10°

      Turn the crankshaft clockwise until it is in the position shown in the illustration so that the chain can be removed easily.

      Tech Tips

      When turning the crankshaft, engine oil may spray out of the oil holes.

    3. B001GS9

      Remove the chain from the sprocket of the camshaft timing gear and set it on the gear.

      CAUTION:

      As the camshaft may turn suddenly and pinch your fingers when the chain is removed, pinch the chain and lift it upward to remove it from the sprocket.

  44. REMOVE CAMSHAFT BEARING CAP (for Bank 1)


    1. B001HT4E05
      Text in Illustration
      *1 Bolt
      *2 Washer
      *a Part Removal
      *b Installation of Bolts and Washers for Temporary Installation of camshaft housing

      Remove the bolts and bearing caps in the order shown in the illustration. Immediately after removing a bearing cap, install bolts and washers for temporary installation of the camshaft housing in the order shown in the illustration.

      Torque:
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }

      Tech Tips


      • Arrange the removed parts so that they can be reinstalled in their original locations.

      • Part number of bolt for temporary installation of camshaft housing: 91551-G0845 (quantity: 8)

      • Part number of washer for temporary installation of camshaft housing: 90201-12028 (quantity: 16)

      Note


      • Do not install the bearing caps when installing bolts and washers for temporary installation of the camshaft housing.

      • Be sure to follow the numerical order when performing this procedure.

      • Do not allow bolts and washers for temporary installation of the camshaft housing to contact the camshaft.

      • Do not drop bolts and washers for temporary installation of the camshaft housing into the cylinder head.

  45. REMOVE NO. 2 CAMSHAFT


    1. B001HGZ

      Remove the bolt of the No. 2 chain tensioner assembly.

    2. B001G85

      Remove the No. 2 chain tensioner assembly while lifting up the No. 2 camshaft.

    3. B001FNW

      While lifting up the No. 2 camshaft, pass it through the No. 2 chain and pull it out towards the front of the vehicle to remove it.

  46. REMOVE CAMSHAFT


    1. Lift up the rear of the camshaft so that it is at an angle.

    2. B001EOV

      Remove the chain from the camshaft timing gear and pull out the camshaft and No. 2 chain towards the rear of the vehicle to remove them.

      Note

      Do not drop the chain into the gap between the engine and cover.

    3. B001E94

      Suspend the chain with a string or equivalent.

  47. DISCONNECT CHAIN SUB-ASSEMBLY (for Bank 2)


    1. B001H99

      Turn the crankshaft counterclockwise and align the notch with the "0" timing mark of the timing chain cover.

    2. B001GDO

      Remove the chain from the sprocket of the camshaft timing gear and set it on the gear.

      CAUTION:

      As the camshaft may turn suddenly and pinch your fingers when the chain is removed, pinch the chain and lift it upward to remove it from the sprocket.

  48. REMOVE CAMSHAFT BEARING CAP (for Bank 2)


    1. B001E92E05
      Text in Illustration
      *1 Bolt
      *2 Washer
      *a Part Removal
      *b Installation of Bolts and Washers for Temporary Installation of camshaft housing

      Remove the bolts and bearing caps in the order shown in the illustration. Immediately after removing a bearing cap, install bolts and washers for temporary installation of the camshaft housing in the order shown in the illustration.

      Torque:
      10 N*m  { 102 kgf*cm, 7 ft.*lbf }

      Tech Tips


      • Arrange the removed parts so that they can be reinstalled in their original locations.

      • Part number of bolt for temporary installation of camshaft housing: 91551-G0845 (quantity: 8)

      • Part number of washer for temporary installation of camshaft housing: 90201-12028 (quantity: 16)

      Note


      • Do not install the bearing caps when installing bolts and washers for temporary installation of the camshaft housing.

      • Be sure to follow the numerical order when performing this procedure.

      • Do not allow bolts and washers for temporary installation of the camshaft housing to contact the camshaft.

      • Do not drop bolts and washers for temporary installation of the camshaft housing into the cylinder head.

  49. REMOVE NO. 4 CAMSHAFT


    1. B001CFJ

      Remove the bolt of the No. 3 chain tensioner assembly.

    2. B001GHP

      Remove the No. 3 chain tensioner assembly while lifting up the No. 4 camshaft.

    3. B001F5F

      While lifting up the No. 4 camshaft, pass it through the No. 2 chain and pull it out towards the front of the vehicle to remove it.

  50. REMOVE NO. 3 CAMSHAFT


    1. Lift up the rear of the camshaft so that it is at an angle.

    2. B001IHJ

      Remove the chain from the camshaft timing gear and pull out the No. 3 camshaft and No. 2 chain towards the rear of the vehicle to remove them.

      Note

      Do not drop the chain into the gap between the engine and cover.

    3. B001ED1

      Suspend the chain with a string or equivalent.

  51. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY


    1. Fix the camshaft in place.

      Note

      Be careful not to damage the camshaft.

    2. B001HLYE06
      Text in Illustration
      *1 Do not remove
      *2 Straight Pin
      *3 Flange Bolt

      Remove the flange bolt and camshaft timing gear assembly.

      Note


      • Do not remove the other 3 bolts.

      • If planning to reuse the camshaft timing gear, be sure to release the straight pin lock before installing the camshaft timing gear.

  52. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY


    1. Fix the camshaft in place.

      Note

      Be careful not to damage the camshaft.

    2. B001F2XE10
      Text in Illustration
      *1 Do not remove
      *2 Straight Pin
      *3 Flange Bolt

      Remove the flange bolt and camshaft timing exhaust gear assembly.

      Note


      • Be sure not to remove the other 4 bolts.

      • If planning to reuse the gear, be sure to release the straight pin lock before installing the gear.