Upper Bearing, Oil Seal Disassembly Note

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Set the SST as shown.
Using a press, remove the oil seal and upper bearing without applying pressure to the edge of the valve housing.

Fig 1: Removing Oil Seal And Upper Bearing, Using Press
Courtesy of MAZDA MOTORS CORP.