Section 12 (Engine Mechanical): Camshaft: Installation

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.

INSTALL NO. 3 CAMSHAFT
1. Apply a light coat of engine oil to the camshaft journals.
2. Install the No. 3 camshaft to the cylinder head sub-assembly
INSTALL NO. 4 CAMSHAFT
1. Apply a light coat of engine oil to the camshaft journals.
2. Install the No 4 camshaft to the cylinder head sub-assembly
INSTALL 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.
2. Apply a light coat of engine oil to the camshaft housing and bearing caps.
  
  Fig 1: Identifying Camshafts Knock Pin Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Confirm the marks and numbers on the camshaft bearing caps and place them in their proper positions and directions.
  
  Fig 2: Identifying Marks And Numbers On Camshaft Bearing Caps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Temporarily install the 20 bolts in the sequence shown in the illustration.
  Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
5. Tighten the 20 bolts in the sequence shown in the illustration.
  Torque: 19 N*m (190 kgf*cm, 14 ft.*lbf)
Fig 3: Identifying Tightening Sequence Of Bearing Cap Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL CAMSHAFT
1. Apply a light coat of engine oil to the camshaft journals.
2. Install the camshaft to the cylinder head sub-assembly.
INSTALL NO. 2 CAMSHAFT
1. Apply a light coat of engine oil to the camshaft journals.
2. Install the No. 2 camshaft to the cylinder head sub-assembly
INSTALL 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.
2. Apply a light coat of engine oil to the camshaft housing and bearing caps
  
  Fig 4: Identifying Camshafts Knock Pin Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Confirm the marks and numbers on the camshaft bearing caps and place them in their proper positions and directions.
  
  Fig 5: Identifying Marks And Numbers On Camshaft Bearing Caps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Temporarily install the 20 bolts in the sequence shown in the illustration.
  Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
5. Tighten the 20 bolts in the sequence shown in the illustration
  Torque: 19 N*m (190 kgf*cm, 14 ft.*lbf)
INSTALL NO. 2 CHAIN TENSIONER ASSEMBLY (See REASSEMBLY )
INSTALL CHAIN SUB-ASSEMBLY (for Bank 2) (See REASSEMBLY )
INSTALL NO. 1 CHAIN VIBRATION DAMPER (for Bank 2) (See REASSEMBLY )
INSTALL CHAIN TENSIONER SLIPPER (for Bank 2) (See REASSEMBLY )

Fig 6: Identifying Tightening Sequence Of Bearing Cap Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY (for Bank 2) (See REASSEMBLY )
INSTALL NO. 3 CHAIN TENSIONER ASSEMBLY (for Bank 1) (See REASSEMBLY )
INSTALL CHAIN SUB-ASSEMBLY (for Bank 1) (See REASSEMBLY )
INSTALL NO. 1 CHAIN VIBRATION DAMPER (for Bank 1) (See REASSEMBLY )
INSTALL CHAIN TENSIONER SLIPPER (for Bank 1) (See REASSEMBLY )
INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY (for Bank 1) (See REASSEMBLY )
TIGHTEN CAMSHAFT TIMING GEAR ASSEMBLY (See REASSEMBLY )
INSPECT NO. 1 CYLINDER TO TDC/COMPRESSION (See REASSEMBLY )
INSPECT VALVE CLEARANCE (See VALVE CLEARANCE )
ADJUST VALVE CLEARANCE (See ADJUSTMENT )
INSTALL OIL REFLECTOR PLATE LH (for Bank 1) (See REASSEMBLY )
INSTALL OIL REFLECTOR PLATE RH (for Bank 2) (See REASSEMBLY )
INSTALL TIMING CHAIN COVER SUB-ASSEMBLY
See INSTALLATION .