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Timing Chain: Removal

  1. Disconnect Battery Negative (-) Terminal And HV Battery Service Plug (See  SERVICE PRECAUTIONS  ) 
  2. Remove Outer FR Cowl Top Panel Assembly 
  3. Remove RH Engine Under Cover 
  4. Drain Engine Coolant 
  5. Remove Air Cleaner Assembly 
    1. Disconnect the MAF meter connector.
    2. Disconnect the EVAP hose from the air cleaner case.
    3. Loosen the 2 hose clamps.
    4. Remove the 3 bolts and air cleaner assembly.
    Fig 1: Removing Air Cleaner Assembly
    G02810596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. Remove Brake Reservoir Tank 
    1. Disconnect the brake fluid level sensor connector.
    2. Remove the 2 bolts and remove the reservoir tank and suspend it.
      Fig 2: Suspending Brake Reservoir Tank
      G02810597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 3 bolts and reservoir tank bracket.
  7. Disconnect Connectors 
    Fig 3: Disconnecting Connectors
    G02810598Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the 4 ignition connectors.
    2. Disconnect the 4 injector connectors.
    3. Disconnect the 2 VSV connectors.
    4. Disconnect the camshaft position sensor connector.
    5. Disconnect the water temperature connector.
    6. Disconnect the Camshaft timing oil control valve connector.
  8. Remove Air Inlet 
  9. Remove Engine Coolant Reservoir Tank 
  10. Remove VSV From Engine Mounting Insulator 
  11. Remove Drive Belt 
    Fig 4: Removing Clamp, Sensor, And Bolt
    G02810599Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. Remove RH Engine Mounting Insulator 
      NOTE: Place the wooden block between the jack and engine.
      Fig 5: Setting Jack To Engine
      G02810600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Set the jack to the engine.
    2. Remove the 5 bolts, 2 nuts and RH engine mounting insulator.
      Fig 6: Removing RH Engine Mounting Insulator
      G02810601Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. Disconnect Engine Wire From Cylinder Head Cover 

    Remove the 3 bolts and disconnect the engine wire from the cylinder head.

  14. Remove Cylinder Head Cover 
    1. Remove the ignition coils (See REMOVAL & INSTALLATION (PRIUS) ).
      Fig 7: Removing Ignition Coils
      G02810602Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 PCV hoses from the cylinder head cover.
    3. Remove the 7 bolts, 2 seal washers, 2 nuts, cylinder head cover and gasket.
      Fig 8: Removing Cylinder Head Cover
      G02810603Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. Set No. 1 Cylinder To TDC/Compression 
    1. Turn the crankshaft pulley, and align its groove with timing mark "0" of the timing chain cover.
      Fig 9: Aligning Groove With Timing Mark "0" Of Timing Chain Cover
      G02810604Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check that both timing marks on the camshaft timing sprocket and valve timing controller assembly are facing right up as shown in the illustration.
      Fig 10: Aligning Camshaft Timing Marks
      G02810605Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If not, turn the crankshaft 1 revolution (360°) and align the marks as above.

  16. Remove Crankshaft Pulley 
      NOTE: If necessary, remove the pulley with SST.
      Fig 11: Removing Pulley Bolt Using SST
      G02810606Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using SST, Remove the pulley bolt.

      SST 09213-70010, 09330-00021

    2. Remove the crankshaft pulley and pin.

    SST 09950-50012 (09951-05010, 09952-05010, 09953-05020, 09954-05020)

    Fig 12: Removing Pulley With SST
    G02810607Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. Remove Crankshaft Position Sensor (See  REMOVAL & INSTALLATION  )  .
  18. Remove RH Engine Mounting Bracket 

    Remove the 4 bolts and mounting bracket.

    Fig 13: Removing Bolts And Mounting Bracket
    G02810608Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. Remove Water Pump (See  REMOVAL  ) 
  20. Remove Oil Control Valve (See  COMPONENTS  ) 
  21. Remove Timing Chain Cover 
    1. Remove the 13 bolts and nut.
      Fig 14: Removing Timing Chain Cover
      G02810609Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a torx wrench socket (E8), remove the stud bolt.
    3. NOTE: Be careful not to damage the contact surfaces of the timing chain cover, cylinder head and cylinder block.
    4. Remove the timing chain cover by prying the portions between the cylinder head and cylinder block with a screwdriver.
    5. Remove the 2 O-rings from the cylinder block and oil pan No. 1.
  22. Remove Chain Tensioner 

    Remove the 2 bolts and chain tensioner.

  23. Remove Chain Tensioner Slipper 
  24. Remove Chain Vibration Damper 

    Remove the 2 bolts and damper.

  25. Remove Timing Chain