Check
NOTE: Refer to the appropriate Section 303-01 for the specification.
NOTE: Valve guides tend to wear in an hourglass pattern. The ball gauge can be inserted into the combustion chamber side of the valve guide, if necessary.
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General Procedures - Spark Plug Inspection
General Procedures - Valve Stem Diameter
When you use them properly, the seat, head restraint, seatbelt and airbags will provide optimum protection in the event of a crash.