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Section 12 (Engine Mechanical): Camshaft: Removal

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY 

    See REMOVAL

  2. SET NO. 1 CYLINDER TO TDC/COMPRESSION  (See DISASSEMBLY )
  3. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for Bank 1)  (See REMOVAL )
  4. REMOVE CHAIN TENSIONER SLIPPER (for Bank 1)  (See REMOVAL )
  5. REMOVE NO. 1 CHAIN VIBRATION DAMPER (for Bank 1)  (See REMOVAL )
  6. REMOVE CHAIN SUB-ASSEMBLY (for Bank 1)  (See REMOVAL )
  7. REMOVE NO. 3 CHAIN TENSIONER ASSEMBLY  (See REMOVAL )
  8. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (for Bank 2)  (See REMOVAL )
  9. REMOVE CHAIN TENSIONER SLIPPER (for Bank 2)  (See REMOVAL )
  10. REMOVE NO. 1 CHAIN VIBRATION DAMPER (for Bank 2)  (See REMOVAL )
  11. REMOVE CHAIN SUB-ASSEMBLY (for Bank 2)  (See REMOVAL )
  12. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY  (See REMOVAL )
  13. REMOVE OIL REFLECTOR PLATE LH (for Bank 1)  (See REMOVAL )
  14. REMOVE CAMSHAFT BEARING CAP (for Bank 1) 
    NOTE: When rotating the camshafts without the timing chains installed, be careful to ensure that the valves do not contact the pistons. If contact occurs between the valves and pistons, damage may result.
    1. Make sure that each knock pin of the camshafts is positioned as shown in the illustration.
      Fig 1: Identifying Camshafts Knock Pin Position
      G05749401Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Uniformly loosen and remove the 20 bearing cap bolts in the sequence shown in the illustration
      NOTE: Uniformly loosen the bolts while keeping the camshaft level.
    3. Remove the 8 bearing caps.
      NOTE: Arrange the removed parts in the correct order.
      Fig 2: Locating Loosening Sequence Of Bearing Cap Bolts
      G05749402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE NO. 3 CAMSHAFT 
    1. Remove the No. 3 camshaft from the cylinder head sub-assembly
  16. REMOVE NO. 4 CAMSHAFT 
    1. Remove the No 4 camshaft from the cylinder head sub-assembly.
  17. REMOVE OIL REFLECTOR PLATE RH (for Bank 2)  (See REMOVAL )
  18. REMOVE CAMSHAFT BEARING CAP (for Bank 2) 
    NOTE: When rotating the camshafts without the timing chains installed, be careful to ensure that the valves do not contact the pistons. If contact occurs between the valves and pistons, damage may result.
    1. Make sure that each knock pin of the camshafts is positioned as shown in the illustration.
      Fig 3: Identifying Camshafts Knock Pin Position
      G05749403Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Uniformly loosen and remove the 20 bearing cap bolts in the sequence shown in the illustration
      NOTE: Uniformly loosen the bolts while keeping the camshaft level.
    3. Remove the 8 bearing caps
      NOTE: Arrange the removed parts in the correct order.
  19. REMOVE CAMSHAFT 
    1. Remove the camshaft from the cylinder head sub-assembly.
  20. REMOVE NO. 2 CAMSHAFT 
    1. Remove the No 2 camshaft from the cylinder head sub-assembly
    Fig 4: Locating Loosening Sequence Of Bearing Cap Bolts
    G05749404Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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