Honda Accord: Rocker Arm and Shaft inspection - Cylinder Head -All Models Except PZEV - Engine Mechanical - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Rocker Arm and Shaft inspection

1. Remove the rocker arm assembly (see page 6-81).

2. Disassemble the rocker arm assembly (see page 6-82).

3. Measure the diameter of the shaft at the first rocker location.

4. Zero the gauge (A) to the shaft diameter.


4. Zero the gauge (A) to the shaft diameter.

5. Measure the inside diameter of the rocker arm, and


5. Measure the inside diameter of the rocker arm, and check it for an out-of-round condition.

Rocker Arm-to-Shaft Clearance

Standard (New): 0.018-”0.059 mm (0.0007-0.0023 in)

Service Limit: 0.08 mm (0.003 in)

6. Repeat for all intake rocker arms and intake shaft. If


6. Repeat for all intake rocker arms and intake 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 intake rocker arms (primary, mid, and secondary), as a set.

7. Repeat for all exhaust rocker arms and exhaust 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 exhaust rocker arms (primary and secondary), as a set.

8. Inspect the rocker arm pistons (A). Push on each piston manually. If it does not move smoothly, replace the rocker arm set.

NOTE: Apply new engine oil to the rocker arm pistons when reassembling.

Intake side

Exhaust side


Exhaust side

9. Reassemble the rocker arm assembly (see page 6-82).


9. Reassemble the rocker arm assembly (see page 6-82).

10. Install the rocker arm assembly (see page 6-93).

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