Remove the crankshaft damper pulley.
(Refer to Timing System - "Crankshaft Damper Pulley")
Remove the front oil seal (A).
Using SST(09231-3C100), install timing chain cover oil seal.
Always use new oil seal.
Install the crankshaft damper pulley.
(Refer to Timing System - "Crankshaft Damper Pulley")