REMOVAL & INSTALLATION
Fig. Fig. 1 Single rocker shaft assembly. Note the attaching bolts (2) and shaft retaining screw (3)
Fig. Fig. 2 Double rocker shaft assembly used on 20R and 22R engines; the rocker arms must be assembled in their original positions
Fig. Fig. 3 Rocker shaft bolt removal sequence for 4M-E and 5M-E engines; first remove oil union bolt A, then union B
Valve rocker shaft removal and installation is given as part of the various Cylinder Head Removal and Installation procedures.
Perform only the steps of the appropriate Cylinder Head Removal and Installation procedures necessary to remove and install the rocker shafts.