Commander 2WD V8-4.7L (2008)
Rocker Arm Assembly: Service and Repair
Installation
INSTALLATION
CAUTION: Make sure the rocker arms are installed with the concave pocket over the lash adjusters. Failure to do so may cause severe damage
to the rocker arms and/or lash adjusters.
NOTE: Coat the rocker arms with clean engine oil prior to installation.
1. For rocker arm installation on cylinders 3 and 5 Rotate the crankshaft until cylinder #1 is at TDC exhaust stroke.
2. For rocker arm installation on cylinders 2 and 8 Rotate the crankshaft until cylinder #1 is at TDC compression stroke.
3. For rocker arm installation on cylinders 4 and 6 Rotate the crankshaft until cylinder #3 is at TDC compression stroke.
4. For rocker arm installation on cylinders 1 and 7 Rotate the crankshaft until cylinder #2 is at TDC compression stroke.
5. Using valve spring compressor 10102 press downward on the valve spring, install rocker arm.
6. Install the cylinder head cover See: Cylinder Head Assembly/Valve Cover/Service and Repair/Removal and Replacement/Cylinder Head Cover -
Installation.
