SL L4-1.9L SOHC VIN 8 (1997)
Valve Guide: Testing and Inspection
Wear, Scratches, and Burrs Inspection
CAUTION: Small scratches, scores or scuffs on the valve stem will damage and wear out the valve stem seal. Always lubricate the valve guide and
valve stem before installing a new valve stem seal. If a valve stem seal is removed after installation, it must be discarded.
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Using a ball gauge or SA91102NE (or equivalent), measure the inside diameter of the valve guide bore.