Remove the valve rocker arms from the cylinder head. If the rocker arms are to be reused, keep in order so they can be reinstalled in the same position.
Valve Rocker Arm Removal - Left Side LY7
Important: The valve rocker arms (1) must be
installed in their original locations.
Record the positions of the valve rocker arms (1).
Remove the valve rocker arms (1) from the cylinder head (2).