Honda Accord: Valve Stem-to-Guide Clearance Inspection - Cylinder Head -All Models Except PZEV - Engine Mechanical - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Valve Stem-to-Guide Clearance Inspection

1. Remove the valves (see page 6-86).

2. Subtract the O.D. of the valve stem, measured with a micrometer, from the I.D. of the valve guide, measured with an inside micrometer or a ball gauge.

Take the measurements in three places along the valve stem and three places inside the valve guide.

The difference between the largest guide measurement and the smallest stem measurement should not exceed the service limit.

Intake Valve Stem-to-Guide Clearance

Standard (New): 0.030-0.055 mm

(0.0012 -0.0022 in)

Service Limit: 0.08 mm (0.003 in)

Exhaust Valve Stem-to-Guide

Clearance

Standard (New): 0.055-”0.080 mm

(0.0022-0.0031 in)

Service Limit: 0.11 mm (0.004 in)

Waive Guide Replacement


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