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04 *01 SNR9A00A14680200000KCAT00 − − − − Intake Valve Stem Installed Height 44.5 mm (1.73 1.75 in.) Service Limit: 44.7 mm (1.76 in.) Exhaust Valve Stem Installed Height 44.6 mm (1.74 1.76 in.) Service Limit: 44.8 mm (1.76 in.) Special Tools Required 6-59 6-59 Valve, Spring, and Valve Seal A A B F D E C 8. Insert the intake and exhaust valves in the head, and measure the valve stem installed height (A). 9. If the valve stem installed height is beyond the service limit, replace the valve and recheck. If it is • Stem seal driver 07PAD-0010000 1. Coat the valve stems with new engine oil. Install the valves in the valve guides. 2. Check that the valves move up and down smoothly. 3. Install the spring seats on the cylinder head. 4. Install the new valve seals (A) using the 5.5 mm side of the stem seal driver (B). NOTE: The exhaust valve seal (C) has a black spring |