Rocker Arm and Shaft Disassembly, Reassembly, and Inspection
1. Rocker Arm Assembly - Disassemble

NOTE:
Identify each part as it is removed so that each item can be reinstalled in its original location.
Inspect the rocker shafts and the rocker arms.
If reused, the rocker arms must be installed in the their original locations.
Bundle the rocker arms with rubber bands to keep them together as a set.
Remove the rocker shaft bolt before removing the rocker shaft from the rocker shaft holder bridge.
When replacing the rocker arm assembly, remove the fastening hardware from a new rocker arm assembly.

2. All Disassembled Parts - Reassembly
1.
Reassemble the parts in the reverse order of disassembly.
NOTE:
If reused, the rocker arms must be installed in the their original locations.
Bundle the rocker arms with rubber bands to keep them together as a set, and remove the bands after the rocker arms have been installed.
Prior to reassembling, clean all the parts in solvent, dry them, and apply new engine oil to any contact points, the bearing surfaces.
When replacing the rocker arm assembly, remove the fastening hardware from a new rocker arm assembly.

1. Rocker Arm and Shaft - Inspect
1.
Measure the diameter of the shaft at the first rocker location.
2.
Zero the gauge (A) to the shaft diameter.
3.
Measure the inside diameter of the rocker arm, and check it for an out-of-round condition.
Intake Rocker Arm-to-Shaft Clearance
PRI
Standard (New):
0.018?0.064mm (0.00071?0.00252 in)
MID
  
Standard (New):
0.018?0.059mm (0.00071?0.00232 in)
SEC
  
Standard (New):
0.018?0.064mm (0.00071?0.00252 in)
Service Limit:
0.08mm (0.0031 in)
Exhaust Rocker Arm-to-Shaft Clearance
Standard (New):
0.018?0.059mm (0.00071?0.00232 in)
Service Limit:
0.08mm (0.0031 in)
4.
Repeat for all rockers and shaft. If the clearance is beyond the service limit, replace the rocker shaft and all out of service limit rocker arms. If any VTEC rocker arm needs replacement, replace the rocker arms as an assembly.

2. VTEC Rocker Arm - Inspect
1.
Inspect the rocker arm pistons (A). Push on each piston manually. If it does not move smoothly, replace the rocker arm set.
NOTE:
When disassembling the rocker arm, carefully apply air pressure to the oil passage.
Apply new engine oil to the rocker arm pistons when reassembling.