WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Valve Rocker Arms - Right Side (LF4)
Courtesy of GENERAL MOTORS COMPANY
Callout
Component Name
1
Valve Rocker Arm
NOTE:
If the rocker arms are to be reused, keep in order so they can be reinstalled in the same position.