CAMSHAFT INSTALLATION

CAUTION / NOTICE / HINT

Tech Tips

for Automatic Transmission:

Perform "Inspection After Repairs" after replacing the camshaft (intake or exhaust side) or camshaft timing gear assembly (intake or exhaust side) Click here.

PROCEDURE


  1. INSPECT CAMSHAFT TIMING GEAR ASSEMBLY

    Click here

  2. INSPECT CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY

    Click here

  3. INSTALL CAMSHAFT TIMING GEAR ASSEMBLY

    Tech Tips

    for Automatic Transmission:

    Perform "Inspection After Repairs" after replacing the camshaft timing gear assembly Click here.


    1. Fix the camshaft in place.

      Note

      Be careful not to damage the camshaft.

    2. B001GUGE06
      Text in Illustration
      *1 Pin Hole
      *2 Straight Pin

      Put the camshaft timing gear assembly and camshaft together by aligning the pin hole and straight pin.

    3. Lightly press and turn the camshaft timing gear assembly against the camshaft, and press harder after the pin enters the hole.

      Note

      Be sure not to turn the camshaft timing gear assembly in the retard direction.

    4. Check that there is no clearance between the camshaft timing gear assembly flange and camshaft.

    5. B001DLH

      Install the flange bolt while holding the camshaft.

      Torque:
      100 N*m  { 1020 kgf*cm, 74 ft.*lbf }

    6. Check the lock of the camshaft timing gear assembly.


      1. Fix the camshaft in place and confirm that the camshaft timing gear assembly is locked.

        Note

        Be careful not to damage the camshaft.

  4. INSTALL CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY

    Tech Tips

    for Automatic Transmission:

    Perform "Inspection After Repairs" after replacing the camshaft timing exhaust gear assembly Click here.


    1. Fix the camshaft in place.

      Note

      Be careful not to damage the camshaft.

    2. B001EYBE01
      Text in Illustration
      *1 Pin Hole
      *2 Straight Pin

      Put the camshaft timing exhaust gear assembly and camshaft together by aligning the pin hole and straight pin.

    3. Lightly press and turn the camshaft timing gear assembly against the camshaft, and press harder after the pin enters the hole.

      Note

      Be sure not to turn the camshaft timing exhaust gear in the advanced direction.

    4. Check that there is no clearance between the gear flange and camshaft.

    5. B001FRH

      Install the flange bolt while holding the camshaft.

      Torque:
      100 N*m  { 1020 kgf*cm, 74 ft.*lbf }

    6. Check the camshaft timing exhaust gear lock.


      1. Make sure that the camshaft timing exhaust gear assembly locks.

  5. INSTALL NO. 3 CAMSHAFT

    Tech Tips

    for Automatic Transmission:

    Perform "Inspection After Repairs" after replacing the No. 3 camshaft Click here.


    1. B001H99

      Check that the notch is aligned with the "0" timing mark of the timing chain cover.

    2. B001DWWE10
      Text in Illustration
      *1 Timing Mark
      *2 Mark Plate (yellow)
      *a Align

      Align the mark plate (yellow) with the timing mark of the camshaft timing gear as shown in the illustration and install the No. 2 chain to the camshaft timing gear.

    3. Clean the camshaft housing LH and camshaft journals and apply engine oil to them.

    4. B001IFBE04
      Text in Illustration
      *1 Valve Rocker Arm
      *2 Lash Adjuster
      *3 Valve Stem
      *4 Valve Stem Cap

      Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.

    5. B001D0ME06
      Text in Illustration
      *a Place on camshaft timing gear

      Install the chain to the No. 3 camshaft, and then install the camshaft to the camshaft housing LH.

      Tech Tips


      • Place the chain on the camshaft timing gear but do not engage the teeth of the sprocket and the chain.

      • Install the camshaft so that the timing mark is facing upward.

  6. INSTALL NO. 4 CAMSHAFT

    Tech Tips

    for Automatic Transmission:

    Perform "Inspection After Repairs" after replacing the No. 4 camshaft Click here.


    1. Clean the camshaft housing LH and camshaft journals and apply engine oil to them.

    2. B001CFGE04
      Text in Illustration
      *1 Mark Plate (yellow)
      *2 Timing Mark

      Pass the No. 4 camshaft through the No. 2 chain from the front of the vehicle, align the mark plate (yellow) with the timing mark and install the No. 2 chain to the camshaft timing exhaust gear.

      Tech Tips

      The mark plate is yellow.

    3. B001GHP

      While lifting up the No. 4 camshaft, pass the No. 3 chain tensioner assembly through the No. 2 chain and set it in place.

    4. Install the No. 4 camshaft to the camshaft housing LH, and then install the No. 3 chain tensioner assembly with the bolt.

      Torque:
      21 N*m  { 214 kgf*cm, 15 ft.*lbf }

  7. INSTALL CAMSHAFT BEARING CAP (for Bank 2)


    1. Clean the camshaft bearing caps and apply engine oil to them.

    2. B001IFBE05
      Text in Illustration
      *1 Valve Rocker Arm
      *2 Lash Adjuster
      *3 Valve Stem
      *4 Valve Stem Cap

      Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.

    3. B001GK5E05
      Text in Illustration
      *1 Bolt
      *2 Washer
      *a Installation of Bolts and Washers for Temporary Installation of camshaft housing
      *b Part Installation
      B001CHY Bolt A
      B001DEF Bolt B

      Check the marks and numbers on the camshaft bearing caps, and then remove the replacement bolts and washers in the order shown in the illustration. Immediately after removing the bolts and washers for temporary installation of the camshaft housing in the location for a bearing cap, install the bearing cap with the bolts in the order shown in the illustration.

      Torque:
      for bolt A
      28 N*m  { 286 kgf*cm, 21 ft.*lbf }
      for bolt B
      16 N*m  { 163 kgf*cm, 12 ft.*lbf }

      Note


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

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

    4. Check the torque of each bolt again.

  8. CONNECT CHAIN SUB-ASSEMBLY (for Bank 2)


    1. B001ESYE01
      Text in Illustration
      *1 Paint Mark

      Align the paint marks on the camshaft timing gear and No. 1 chain and install the No. 1 chain to the camshaft timing gear.

      Tech Tips

      If the paint marks are not aligned, align them by turning the camshaft slightly.

  9. INSTALL CAMSHAFT

    Tech Tips

    for Automatic Transmission:

    Perform "Inspection After Repairs" after replacing the camshaft Click here.


    1. B001HRCE03
      *1 5° to 10°

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

      Tech Tips

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

    2. B001DBME09
      Text in Illustration
      *1 Timing Mark
      *2 Mark Plate (yellow)
      *a Align

      Align the mark plate (yellow) with the timing mark of the camshaft timing gear as shown in the illustration and install the No. 2 chain to the camshaft timing gear.

    3. Clean the camshaft housing RH and camshaft journals and apply engine oil to them.

    4. B001IFBE06
      Text in Illustration
      *1 Valve Rocker Arm
      *2 Lash Adjuster
      *3 Valve Stem
      *4 Valve Stem Cap

      Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.

    5. B001HFUE06
      Text in Illustration
      *a Place on camshaft timing gear

      Install the chain to the camshaft, and then install the camshaft to the camshaft housing RH.

      Tech Tips


      • Place the chain on the camshaft timing gear but do not engage the teeth of the sprocket and the chain.

      • Install the camshaft so that the timing mark is facing upward.

  10. INSTALL NO. 2 CAMSHAFT

    Tech Tips

    for Automatic Transmission:

    Perform "Inspection After Repairs" after replacing the No. 2 camshaft Click here.


    1. Clean the camshaft housing RH and camshaft journals and apply engine oil to them.

    2. B001H4ME05
      Text in Illustration
      *1 Mark Plate (yellow)
      *2 Timing Mark

      Pass the No. 2 camshaft through the No. 2 chain from the front of the vehicle, align the mark plate (yellow) with the timing mark and install the No. 2 chain to the camshaft timing exhaust gear.

      Tech Tips

      The mark plate is yellow.

    3. B001G85

      While lifting up the No. 2 camshaft, pass the No. 2 chain tensioner assembly through the No. 2 chain and set it in place.

    4. Install the No. 2 camshaft to the camshaft housing RH, and then install the No. 2 chain tensioner assembly with the bolt.

      Torque:
      21 N*m  { 214 kgf*cm, 15 ft.*lbf }

  11. INSTALL CAMSHAFT BEARING CAP (for Bank 1)


    1. Clean the camshaft bearing caps and apply engine oil to them.

    2. B001IFBE07
      Text in Illustration
      *1 Valve Rocker Arm
      *2 Lash Adjuster
      *3 Valve Stem
      *4 Valve Stem Cap

      Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.

    3. B001FP4E05
      Text in Illustration
      *1 Bolt
      *2 Washer
      *a Installation of Bolts and Washers for Temporary Installation of camshaft housing
      *b Part Installation
      B001CHY Bolt A
      B001DEF Bolt B

      Check the marks and numbers on the camshaft bearing caps, and then remove the replacement bolts and washers in the order shown in the illustration. Immediately after removing the bolts and washers for temporary installation of the camshaft housing in the location for a bearing cap, install the bearing cap with the bolts in the order shown in the illustration.

      Torque:
      for bolt A
      28 N*m  { 286 kgf*cm, 21 ft.*lbf }
      for bolt B
      16 N*m  { 163 kgf*cm, 12 ft.*lbf }

      Note


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

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

    4. Check the torque of each bolt again.

  12. CONNECT CHAIN SUB-ASSEMBLY (for Bank 1)


    1. B001CRLE01
      Text in Illustration
      *1 Paint Mark

      Align the paint marks on the camshaft timing gear and No. 1 chain and install the No. 1 chain to the camshaft timing gear.

      Tech Tips

      If the paint marks are not aligned, align them by turning the camshaft slightly.

  13. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY


    1. B001FCLE08

      Turn the crankshaft counterclockwise 30° past the "0" timing mark, and then turn it clockwise to align the notch with the "0" timing mark.

    2. Turn the crankshaft slightly to eliminate the slack in the chain.

      Tech Tips

      Make sure there is some slack in the chain around the area where the chain tensioner is installed.

    3. B001HKDE13
      Text in Illustration
      *1 Stopper Plate
      *a Push

      While turning the stopper plate of the tensioner clockwise, push in the plunger of the tensioner as shown in the illustration.

    4. While turning the stopper plate of the tensioner counterclockwise, insert a pin of φ1.27 mm (0.0500 in.) into the holes in the stopper plate and tensioner to fix the stopper plate in place.

    5. Install the chain tensioner with the 2 bolts.

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

    6. Remove the pin from the No. 1 chain tensioner.

  14. INSPECT VALVE TIMING


    1. Check the camshaft timing marks.

      Note


      • Check each timing mark from a viewpoint directly in line with the center of the camshaft and the timing mark on each camshaft timing gear.

      • If the timing marks are checked from any other viewpoint, the valve timing may appear misaligned.

    2. Check that each camshaft timing mark is positioned as shown in the illustration.

      B001EO3E06
      Text in Illustration
      *1 Timing Mark - -
      *a Viewpoint - -

      Tech Tips

      for Intake Camshaft:

      Be sure to check mark A at the point when marks B, C and D are positioned in line. If the marks are checked from any other viewpoint, they cannot be checked correctly.

      B001G1TE09

    3. If the valve timing is misaligned, reinstall the timing chain.

    4. Turn the crankshaft 2 revolutions, set the No. 1 cylinder to TDC/compression and check the timing marks again.

  15. INSTALL TIMING CHAIN COVER PLATE


    1. Install a new gasket and the timing chain cover plate with the 4 bolts.

      Torque:
      9.0 N*m  { 92 kgf*cm, 80 in.*lbf }

  16. POUR ENGINE OIL

    Click here

  17. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY

    Click here

  18. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY LH

    Click here

  19. CONNECT FUEL PIPE SUB-ASSEMBLY

    Click here

  20. INSTALL REAR CYLINDER HEAD COVER

    Click here

  21. INSTALL NO. 2 OIL PIPE

    Click here

  22. INSTALL NO. 1 OIL PIPE

    Click here

  23. INSTALL WATER BY-PASS PIPE SUB-ASSEMBLY (w/ Oil Cooler)

    Click here

  24. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE

    Click here

  25. INSTALL GENERATOR ASSEMBLY

    Click here

  26. INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR

    Click here

  27. INSTALL WIRING HARNESS CLAMP BRACKET

    Click here

  28. INSTALL NO. 2 IDLER PULLEY SUB-ASSEMBLY

    Click here

  29. CONNECT VANE PUMP ASSEMBLY

    Click here

  30. INSTALL IGNITION COIL ASSEMBLY

    Click here

  31. INSTALL NO. 2 EMISSION CONTROL VALVE SET (w/ Secondary Air Injection System)

    Click here

  32. INSTALL EMISSION CONTROL VALVE SET (w/ Secondary Air Injection System)

    Click here

  33. INSTALL NO. 2 AIR TUBE (w/ Secondary Air Injection System)

    Click here

  34. INSTALL AIR TUBE (w/ Secondary Air Injection System)

    Click here

  35. INSTALL INTAKE AIR SURGE TANK

    Click here

  36. INSTALL AIR TUBE ASSEMBLY (w/ Secondary Air Injection System)

    Click here

  37. INSTALL FAN SHROUD

    Click here

  38. CONNECT OIL COOLER TUBE (w/ Air Cooled Transmission Oil Cooler)

    Click here

  39. CONNECT OIL COOLER TUBE (w/ Warmer)

    Click here

  40. INSTALL RADIATOR RESERVOIR

    Click here

  41. INSTALL NO. 2 RADIATOR HOSE

    Click here

  42. INSTALL NO. 1 RADIATOR HOSE

    Click here

  43. INSTALL AIR CLEANER CASE SUB-ASSEMBLY

    Click here

  44. INSTALL AIR CLEANER CAP AND HOSE

    Click here

  45. INSTALL BATTERY TRAY

  46. INSTALL BATTERY

  47. INSTALL BATTERY HOLD DOWN CLAMP

    Click here

  48. CONNECT CABLE TO POSITIVE BATTERY TERMINAL

  49. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

    Note

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

  50. ADD ENGINE COOLANT

    Click here

  51. ADD ENGINE OIL

    Click here

  52. INSPECT FOR COOLANT LEAK

    Click here

  53. INSPECT FOR ENGINE OIL LEAK

    Click here

  54. INSTALL V-BANK COVER

    Click here

  55. INSTALL UPPER RADIATOR SUPPORT SEAL

    Click here

  56. INSTALL NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY

    Click here

  57. INSTALL FRONT BUMPER COVER LOWER

    Click here

  58. INSPECT IGNITION TIMING

    Click here