Oil Seal Removal/Installation

Drain the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT .)
Remove the drive shaft and joint shaft. (See REMOVAL & INSTALLATION in the AXLE SHAFT article.)
Remove and discard the oil seal using a screwdriver.
Using the SSTs and a hammer, tap a new oil seal in evenly until the SSTs contacts the transaxle case.
Coast the lip of the oil seal with ATF.
CAUTION:
- The oil seal is easily damaged by the sharp edges of the drive shaft splines. Do not let the splines contact the oil seal.
  
  Fig 1: Taping On New Oil Seal Using SSTs And Hammer
  Courtesy of MAZDA MOTORS CORP.
Install the drive shaft and joint shaft. (See REMOVAL & INSTALLATION in the AXLE SHAFT article.)
Add ATF to the specified level. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT .)
Carry out the mechanical system test. (See MECHANICAL SYSTEM TEST .)