Honda Fit: Rocker Arm and Shaft Inspection
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Remove the rocker arm assembly.
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Disassemble the rocker arm assembly.
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Measure the diameter of the shaft at the first rocker location.
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Zero the gauge (A) to the shaft diameter.
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Measure the inside diameter of the rocker arm, and check it for an out-of-round condition.
Intake Rocker Arm-to-Shaft Clearance
Standard (New):
0.017пјЌ0.048 mm (0.00067пјЌ0.00189 in)
Service Limit:
0.08 mm (0.0031 in)
Exhaust Rocker Arm-to-Shaft Clearance
Standard (New):
0.019пјЌ0.050 mm (0.00075пјЌ0.00197 in)
Service Limit:
0.08 mm (0.0031 in)
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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.
VTEC Rocker Arms
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Inspect the rocker arm pistons (A). Push on them manually. If they do not move smoothly, replace the rocker arm set.
NOTE:
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Apply new engine oil to the rocker arm pistons when reassembling.
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When removing the rocker arm piston from the intake secondary rocker arm (B), carefully apply air pressure to the oil passage of the rocker arm.
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Reassemble the rocker arm assembly.
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Install the rocker arm assembly.
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