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.

Engine Compression Inspection
NOTE: After the inspection, you must reset the ECM/PCM. Otherwise, the
ECM/PCM will continue to stop the injectors from operating.
Allow the engine to reach operating temperature (fan comes o ...
Disassembly
Raise and support the vehicle.
Remove the rear wheels.
Release the parking brake, and
remove the brake drum.
Remove the tension pins (A) by pushing respe ...