NOTE:
Identify each part as it is removed so that each item can be reinstalled in its original location.
Inspect the rocker arm shaft and the rocker arms.
If reused, the rocker arms must be installed in the their original locations.
Remove the rocker shaft bolt before removing the rocker shaft from the rocker shaft holder bridge.
Prior to reassembling, clean all the parts in solvent, dry them, and apply new engine oil to any contact points, the bearing surfaces, and lost motions.
When replacing the rocker arm assembly, remove the fastening hardware from the new rocker arm assembly.

If Your Vehicle Gets Stuck
If your vehicle gets stuck in sand, mud, or snow, call a towing service to pull
it out.
For very short distances, such as freeing the vehicle, you can use the detachable
towing hook that mounts o ...
Output Shaft (Countershaft) Speed Sensor Replacement (M/T)
M/T
Raise the vehicle on a lift.
Disconnect the output shaft (countershaft) speed sensor connector (A).
Remove the output shaft (countershaft) speed sensor (B).
...
Transmission Range Switch Replacement (A/T)
Raise the vehicle on a lift, or apply the parking brake, block the rear
wheels, and raise the front of the vehicle. Make sure it is securely
supported.
Shift to N.
...