Pickup 2WD L4-2254cc 2.3L SOHC (4ZD1) MFI (1994)
It currently shows the rocker arm inside diameter standard and limit to be the same as the rocker arm shaft outside diameter, which is incorrect. This
Service Bulletin corrects this error by replacing the current procedure for measuring the rocker arm and rocker arm shaft clearance with a procedure that
measures oil clearance (see marked areas). Attach the information to the referenced Workshop Manual pages.