Rocker Arm And Shaft Inspection - Honda 2004 Odyssey Service Manual

Rocker Arm and Shaft Inspection

1. Remove the rocker arm assembly (see page 6-38).
2. Measure the diameter of the shaft at the first rocker
location.
3. Zero the gauge (A) to the shaft diameter.
A
4. Measure the inside diameter of the rocker arm, and
check it for an out-of-round condition.
Rocker Arm-to-Shaft Clearance
Standard (New):
Intake: 0.026 0.067 mm (0.0010 0.0026 in.)
Service Limit: 0.067 mm (0.0026 in.)
Exhaust: 0.026 0.077 mm (0.0010 0.0030 in.)
Service Limit: 0.077 mm (0.0030 in.)
Inspect rocker arm
face for wear.
5. Repeat for all rockers and both shafts. If the
clearance is over the limit, replace the rocker shaft
and all overtolerance rocker arms. If any intake
rocker arm needs replacement, replace both rocker
arms (primary and secondary, or primary, mid and
secondary) as a set.
(cont'd)
6-41