Do you have access to Mitchell1 Prodemand, or eautorepair.net DIY? If you are willing to share user/password (we can pay), please get in contact with us ASAP (truly, it is urgent): email operation-charm [[at]] tuta.io or click to submit anonymously
Rocker Arm - Operation
ROCKER ARMS
The rocker arm pivots are on the rocker shaft. Rocker arms are used to translate up and down motions provided by the camshaft, hydraulic roller lifter, and pushrod on one end, into a down and up motions on the valve stem on the opposing end.