Rocker Arm And Shaft Disassembly, Reassembly, And Inspection: Inspection

Rocker Arm and Shaft - Inspect

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

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2. Zero the dial indicator to the shaft diameter.

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

Rocker Arm-to-Shaft Clearance

Standard (New):
0.015-0.046 mm (0.00059-0.00181 in)
Service Limit:
0.046 mm (0.00181 in)

4. Repeat for all rockers and both shafts. If the clearance is over the limit, replace the rocker shaft and all over-tolerance rocker arms. If any variable cylinder management rocker arm needs replacement, replace all rocker arms in that set.

FRONT (INTAKE)

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REAR (INTAKE)

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VTEC Rocker Arms

5. Inspect the rocker arm pistons (A). Slide them into the rocker arms. If they do not move smoothly, replace the rocker arm set.

NOTE:

Apply new engine oil to the rocker arm pistons when reassembling.
When removing the rocker arm pistons from the intake primary rocker arm (B) and the intake secondary L and H rocker arms (C), carefully apply air pressure to the oil passage of the rocker arm.

REAR (INTAKE)

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REAR (EXHAUST)

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Variable Cylinder Management Rocker Arms

6. Inspect the rocker arm pistons (A). Slide them into the rocker arms. If they do not move smoothly, replace the rocker arm set.

NOTE:

Apply new engine oil to the rocker arm pistons when reassembling.
When removing the rocker arm pistons from the intake primary rocker arm (B), intake secondary L and H rocker arms (C) and the exhaust secondary rocker arms (D), carefully apply air pressure to the oil passage of the rocker arm.