IS 250 AWD V6-2.5L (4GR-FSE) (2006)
D.
Temporarily put the timing chain to the No. 3 camshaft on the camshaft timing gear assembly and place the No. 3 camshaft on the camshaft
housing LH.
NOTE
^
Temporarily put the timing chain on the camshaft timing gear assembly without installing to the sprocket.
^
Place the camshaft with the timing mark faces on the top.
2.
Install the No. 1 camshaft using the same procedure as step 1.
3.
Install the No. 4 camshaft.
A.
Clean the camshaft journals and apply engine oil to them.
B.
Hold the No. 2 chain and slide the No. 4 camshaft in from the front of the vehicle.
C.
Align the mark plate (yellow) with the timing marks of the camshaft timing exhaust gear LH.
D.
Hold the No. 2 chain and install the No. 3 chain tensioner assembly.
Torque: 21 N*m (214 kgf*cm, 15 ft*lbf)
4.
Install the No. 2 camshaft using the same procedure as step 3.
5.
Install the camshaft bearing cap.
A.
LH bank:
(1)
Clean the camshaft bearing caps and apply engine oil.
(2)
Make sure that the valve rocker arms are properly installed with each lash adjuster and valve stem cap.