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Removal [08/2015 - 08/2018]: Procedure

WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY 
    1. Remove the timing chain cover. Refer to REMOVAL [08/2015 - 08/2018] .
  2. SET NO. 1 CYLINDER TO TDC/COMPRESSION 
    1. Temporarily install the pulley set bolt.
    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.
      GTY573450Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      If the timing marks do not align, rotate the crankshaft clockwise again and align the timing marks.

  3. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for LH Side) 
    1. GTY544294Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Move the stopper plate upward to release the lock, and push the plunger deep into the tensioner.

    2. GTY148541Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Move the stopper plate downward to set the lock, and insert a hexagon wrench into the stopper plate hole.

    3. Remove the 2 bolts, chain tensioner and gasket.
      GTY580687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE CHAIN TENSIONER SLIPPER (for LH Side) 
    GTY148649Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE NO. 1 CHAIN VIBRATION DAMPER (for LH Side) 
    1. Remove the 2 bolts and chain vibration damper.
      GTY148650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE CHAIN SUB-ASSEMBLY (for LH Side) 
    1. While pushing down the No. 3 chain tensioner, insert a pin of 1.0 mm (0.0394 in.) into the hole to fix it in place.
      GTY592008Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Hold the hexagonal portion of the camshaft with a wrench and loosen the bolt.
      GTY586460Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Be careful not to damage the cylinder head with the wrench.
      • Do not disassemble the camshaft timing gear.
    3. Hold the hexagonal portion of the camshaft with a wrench and loosen the bolt.
      GTY547696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be careful not to damage the cylinder head with the wrench.

    4. Remove the 2 bolts. Then with the No. 1 and No. 2 chains still connected to the gears, remove the camshaft timing gear, camshaft timing exhaust gear and crankshaft timing sprocket LH.
    5. Remove the No. 1 and No. 2 chains from the gears.
  7. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY 
    1. Remove the 2 bolts and chain tensioner.
      GTY103396Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for RH Side) 
    1. GTY602040Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Move the stopper plate upward to release the lock, and push the plunger deep into the tensioner.

    2. GTY580546Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Move the stopper plate downward to set the lock, and insert a hexagon wrench into the stopper plate hole.

    3. Remove the 2 bolts and chain tensioner.
      GTY585934Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE CHAIN TENSIONER SLIPPER (for RH Side) 
    GTY584110Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE NO. 1 CHAIN VIBRATION DAMPER (for RH Side) 
    1. Remove the 2 bolts and vibration damper.
      GTY611038Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE CHAIN SUB-ASSEMBLY (for RH Side) 
    1. While raising up the No. 2 chain tensioner, insert a pin of 1.0 mm (0.0394 in.) into the hole to fix it in place.
      GTY602664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Hold the hexagonal portion of the camshaft with a wrench and loosen the bolt.
      GTY131055Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Be careful not to damage the cylinder head with the wrench.
      • Do not disassemble the camshaft timing gear.
    3. Hold the hexagonal portion of the camshaft with a wrench and loosen the bolt.
      GTY607918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be careful not to damage the cylinder head with the wrench.

    4. Remove the 2 bolts. Then with the No. 1 and No. 2 chains still connected to the gears, remove the camshaft timing gear, camshaft timing exhaust gear and crankshaft timing sprocket RH.
    5. Remove the No. 1 and No. 2 chains from the gears.
  12. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY 
    1. Remove the 2 bolts and chain tensioner.
      GTY103397Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE CAMSHAFT (for Bank 1) 
    GTY591610Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Make sure that the knock pin of the camshaft is positioned as shown in the illustration.
    2. Uniformly loosen and remove the 10 bearing cap bolts in the sequence shown in the illustration.
      Fig 1: Camshaft Bearing Cap Bolts (For Bank 1) Loosening Sequence (1 Of 2)
      GTY540557Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Uniformly loosen and remove the 18 bearing cap bolts in the sequence shown in the illustration.
      Fig 2: Camshaft Bearing Cap Bolts (For Bank 1) Loosening Sequence (2 Of 2)
      GTY547287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Uniformly loosen the bolts while keeping the camshaft level.

    4. Remove the 6 bearing caps.

      HINT: 

      Arrange the removed parts in the correct order.

    5. Remove the No. 3 and No. 4 camshafts.

      HINT: 

      Arrange the removed parts in the correct order.

  14. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY LH 
    1. Remove the camshaft housing by prying between the cylinder head and camshaft housing with a screwdriver.
      GTY147879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Tape the screwdriver tip before use.

      NOTE:

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

  15. REMOVE CAMSHAFT (for Bank 2) 
    GTY538566Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Make sure that the knock pin of the camshaft is positioned as shown in the illustration.
    2. Uniformly loosen and remove the 10 bearing cap bolts in the sequence shown in the illustration.
      Fig 3: Camshaft Bearing Cap Bolts (For Bank 2) Loosening Sequence (1 Of 2)
      GTY561726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Uniformly loosen and remove the 18 bearing cap bolts in the sequence shown in the illustration.
      Fig 4: Camshaft Bearing Cap Bolts (For Bank 2) Loosening Sequence (2 Of 2)
      GTY554133Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Uniformly loosen the bolts while keeping the camshaft level.

    4. Remove the 6 bearing caps.

      HINT: 

      Arrange the removed parts in the correct order.

    5. Remove the No. 1 and No. 2 camshafts.

      HINT: 

      Arrange the removed parts in the correct order.

  16. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY RH 
    1. Remove the camshaft housing by prying between the cylinder head and camshaft housing with a screwdriver.
      GTY147765Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Tape the screwdriver tip before use.

      NOTE:

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

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