LS 460 RWD V8-4.6L (1UR-FSE) (2010)
(f) Step 2:
(1) Mark the cylinder head bolt head with paint as shown in the illustration.
(2) Tighten the cylinder head bolts another 90° in the sequence shown in step 1.
(g) Step 3:
(1) Tighten the cylinder head bolts by an additional 90° in the sequence shown in step 1.
(2) Check that the painting marks are now facing rearward.
(h) Uniformly install the 2 bolts in the sequence shown in the illustration.
Bank 1
Torque : 21 Nm (214 kgf-cm, 15 ft-lbf)
4. INSTALL VALVE STEM CAP
(a) Apply a light coat of engine oil to the valve stem caps.
(b) Install the 16 valve stem caps to the cylinder head.
5. INSTALL VALVE LASH ADJUSTER ASSEMBLY
(a) Be sure to inspect the valve lash adjuster before installing it See: Testing and Inspection/Engine Unit.
(b) Install the 16 valve lash adjusters to the cylinder head.
NOTICE:
Install the lash adjuster at the same place it was removed from.
6. INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
(a) Apply engine oil to the lash adjuster tips and valve stem cap ends.
(b) Make sure that the 16 valve rocker arms are installed as shown in the illustration.