CAMSHAFT REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the camshaft removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure Necessary Procedure Effect/Inoperative when not Performed Link
Disconnect cable from negative battery terminal Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes) Stop and start system

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Memorize steering angle neutral point LKA/LDA system

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Parking support brake system*1
Pre-collision system
Adaptive high beam system

    Lighting system (EXT)

  • cornering lights
Variable gear ratio steering system

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Parking assist monitor system

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Panoramic view monitor system

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Initialize rear door sunshade system Rear door sunshade system

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Initialize power trunk lid system Power trunk lid system

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  • Throttle body with motor assembly

  • Cleaning the deposits from the throttle body with motor assembly

  • Camshaft (for intake or exhaust camshaft)

  • Camshaft timing gear assembly

  • Camshaft timing exhaust gear assembly

  • Fuel pump assembly (for high pressure side)

  • Spark plug

  • Ignition coil assembly

  • Air leaks from intake system

  • Gas leaks from exhaust system

 Inspection after repair

  • Poor idle, etc.

  • Engine start function, etc.

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*1: When performing learning using the GTS.
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PROCEDURE


  1. DRAIN ENGINE COOLANT

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  2. PRECAUTION

    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.

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  3. REMOVE LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY

  4. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

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    Note

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

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  5. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

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  6. REMOVE VACUUM PUMP ASSEMBLY

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  7. REMOVE FUEL PUMP ASSEMBLY (for High Pressure)

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  8. DISCONNECT NO. 1 RADIATOR HOSE

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  9. DISCONNECT NO. 3 RADIATOR HOSE

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  10. DISCONNECT ENGINE WIRE

  11. DISCONNECT NO. 3 ENGINE WIRE

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  12. REMOVE IGNITION COIL ASSEMBLY

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  13. REMOVE SPARK PLUG

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  14. REMOVE NO. 2 ENGINE OIL LEVEL DIPSTICK GUIDE

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  15. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1)

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  16. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1)

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  17. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2)

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  18. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2)

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  19. REMOVE VVT SENSOR (for Intake Side of Bank 1)

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  20. REMOVE VVT SENSOR (for Exhaust Side of Bank 1)

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  21. REMOVE VVT SENSOR (for Intake Side of Bank 2)

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  22. REMOVE VVT SENSOR (for Exhaust Side of Bank 2)

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  23. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

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  24. REMOVE NO. 1 FUEL TUBE SUB-ASSEMBLY

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  25. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY LH

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  26. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

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  27. REMOVE SPARK PLUG TUBE GASKET

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  28. REMOVE TIMING CHAIN COVER PLATE


    1. B006CTJ

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

  29. SET NO. 1 CYLINDER TO TDC/COMPRESSION


    1. B006EBOC01
      *a "0" Timing Mark
      *b Timing Mark (Cutout)

      Turn the crankshaft clockwise to align the timing mark (cutout) on the crankshaft pulley assembly with the "0" timing mark on the timing chain cover assembly.

    2. B006DF4C01
      *A for Bank 2
      *B for Bank 1
      *a Paint Mark
      *b Timing 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 chain.

      Tech Tips

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

  30. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY


    1. B006ASRN01

      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. B006C2WC01
      *a Lever Hole
      *b Tensioner Hole
      *c Pin

      Align the hole in the lever of the No. 1 chain tensioner assembly 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. B006EBOC01
      *a "0" Timing Mark
      *b Timing Mark (Cutout)

      Turn the crankshaft clockwise to align the timing mark (cutout) on the crankshaft pulley assembly with the "0" timing mark on the timing chain cover assembly.

    4. B0069TF

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

      Note

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

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


    1. B006D2CN01

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

      CAUTION:

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

      Tech Tips

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

    2. B006FDNC01
      *a 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.

      Note

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

    3. B006ETP

      Remove the chain sub-assembly 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 sub-assembly is removed, pinch the chain sub-assembly and lift it upward to remove it from the sprocket.

  32. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY


    1. B006EWV

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

  33. REMOVE CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1)


    1. B006FSGC01
      *a Hold
      *b Turn

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

      Note

      Be careful not to damage the camshaft or cylinder head sub-assembly with the wrench.

  34. REMOVE CAMSHAFT TIMING GEAR (for Exhaust Side of Bank 1)


    1. B006FT2C01
      *a Hold
      *b Turn

      Hold the hexagonal portion of the No. 2 camshaft with a wrench and remove the camshaft timing gear bolt from the camshaft timing exhaust gear assembly RH.

      Note

      Be careful not to damage the camshaft or cylinder head sub-assembly with the wrench.

  35. REMOVE CAMSHAFT BEARING CAP (for Bank 1)


    1. B006C11

      Slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly toward the front of the vehicle.

    2. B006CFUC02
      *a Replacement Bolt and Washer
      *b Part Removal
      *c Replacement Bolt and Washer Installation

      Remove the bolts and bearing caps in the order shown in the illustration. Immediately after removing a bearing cap, install replacement bolts and washers in the order shown in the illustration.

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

      Note


      • Do not install the bearing caps when installing replacement bolts and washers.

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

      • Do not allow replacement bolts or washers to contact the camshaft.

      • Do not drop replacement bolts or washers into the cylinder head sub-assembly.

      Tech Tips


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

      • Part number for replacement bolts: 91551-F0850 (9 bolts)

      • Part number for replacement washers: 90201-12028 (18 washers)

  36. REMOVE NO. 2 CAMSHAFT


    1. B006C76

      Remove the No. 2 chain tensioner assembly.

    2. Lift up the rear of the No. 2 camshaft so that it is at an angle.

    3. B006A7R

      Pull the No. 2 camshaft toward the rear of the vehicle to remove it from the camshaft timing exhaust gear assembly.

  37. REMOVE CAMSHAFT


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

    2. B006DV8

      Pull the camshaft toward the rear of the vehicle to remove it from the camshaft timing gear assembly.

  38. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY (for Bank 1)


    1. B006BQI

      Remove the camshaft timing exhaust gear assembly and No. 2 chain sub-assembly.

  39. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY (for Bank 1)


    1. B006ACE

      Remove the camshaft timing gear assembly.

      Note

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

    2. B006BFU

      Suspend the chain sub-assembly with a string or equivalent.

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


    1. B006EBOC02
      *a "0" Timing Mark
      *b Timing Mark (Cutout)

      Turn the crankshaft clockwise to align the timing mark (cutout) on the crankshaft pulley assembly with the "0" timing mark on the timing chain cover assembly.

    2. B006EOH

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

      Note

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

  41. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY


    1. B006A9N

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

  42. REMOVE CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 2)


    1. B006BGTC01
      *a Hold
      *b Turn

      Hold the hexagonal portion of the No. 3 camshaft with a wrench and remove the camshaft timing gear bolt from the camshaft timing gear assembly LH.

      Note

      Be careful not to damage the camshaft or cylinder head sub-assembly with the wrench.

  43. REMOVE CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 2)


    1. B006G43C01
      *a Hold
      *b Turn

      Hold the hexagonal portion of the No. 4 camshaft sub-assembly with a wrench and remove the camshaft timing gear bolt from the camshaft timing exhaust gear assembly LH.

      Note

      Be careful not to damage the camshaft or cylinder head sub-assembly with the wrench.

  44. REMOVE CAMSHAFT BEARING CAP (for Bank 2)


    1. B006GRN

      Slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly toward the front of the vehicle.

    2. B006F5VC02
      *a Replacement Bolt and Washer
      *b Part Removal
      *c Replacement Bolt and Washer Installation

      Remove the bolts and bearing caps in the order shown in the illustration. Immediately after removing a bearing cap, install replacement bolts and washers in the order shown in the illustration.

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

      Note


      • Do not install the bearing caps when installing replacement bolts and washers.

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

      • Do not allow replacement bolts or washers to contact the camshaft.

      • Do not drop replacement bolts or washers into the cylinder head sub-assembly.

      Tech Tips


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

      • Part number for replacement bolts: 91551-F0850 (8 bolts)

      • Part number for replacement washers: 90201-12028 (16 washers)

  45. REMOVE NO.4 CAMSHAFT SUB-ASSEMBLY


    1. B006DNM

      Remove the No. 3 chain tensioner assembly.

    2. Lift up the rear of the No. 4 camshaft sub-assembly so that it is at an angle.

    3. B006BQ5

      Pull the No. 4 camshaft sub-assembly toward the rear of the vehicle to remove it from the camshaft timing exhaust gear assembly.

  46. REMOVE NO.3 CAMSHAFT SUB-ASSEMBLY


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

    2. B006B4Z

      Pull the No. 3 camshaft sub-assembly toward the rear of the vehicle to remove it from the camshaft timing gear assembly.

  47. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY (for Bank 2)


    1. B006CZT

      Remove the camshaft timing exhaust gear assembly and No. 2 chain sub-assembly.

  48. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY (for Bank 2)


    1. B006BYW

      Remove the camshaft timing gear assembly.

      Note

      Do not drop the chain sub-assembly into the gap between the engine and timing chain cover assembly.

    2. B006EGF

      Suspend the chain sub-assembly with a string or equivalent.