Remove the crankshaft damper pulley.
(Refer to Timing System - "Crankshaft Damper Pulley")
Remove the front oil seal (A).

Apply engine oil to a new oil seal lip.
Install the front oil seal by using SST (09231-2A000, 09231-H1100) (A).

Always use new oil seal.
Install the crankshaft damper pulley.
(Refer to Timing System - "Crankshaft Damper Pulley")