Disassembly Note

Remove differential case from the front drive axle housing; See AXLE AND DIFFERENTIAL FRONT DISASSEMBLY/ASSEMBLY .
Remove the ring gear
1. Remove the eight bolts
2. Use a drift that will bottom out in the ring gear bolt holes to separate the ring gear from the differential case
  
  Fig 1: Removing Ring Gear
  Courtesy of MAZDA MOTORS CORP.
Drive out the differential pinion shaft roll pin from the differential case

Fig 2: Identifying Drive Out Differential Pinion Shaft Roll Pin From Differential Case
Courtesy of MAZDA MOTORS CORP.
Remove the differential pinion shaft

Fig 3: Removing Differential Pinion Shaft
Courtesy of MAZDA MOTORS CORP.
NOTE:
- Differential side gears may fall out after removing the differential pinion gears.
Rotate the differential pinion gears to the differential case window and remove them and the differential pinon thrust washers

Fig 4: Removing Differential Pinon Thrust Washers
Courtesy of MAZDA MOTORS CORP.
Remove the differential side gears and the differential side gear thrust washers

Fig 5: Removing Differential Side Gears And Differential Side Gear Thrust Washers
Courtesy of MAZDA MOTORS CORP.
Assemble Pinion and Carrier Bearing Puller ST 49 UN01 029

Fig 6: Assembling Pinion And Carrier Bearing Puller
Courtesy of MAZDA MOTORS CORP.
Position Pinion and Carrier Bearing Puller ST 49 UN01 029

Fig 7: Positioning Pinion And Carrier Bearing Puller
Courtesy of MAZDA MOTORS CORP.
NOTE:
- The differential bearings must be installed on the same side they were removed from.
Use Pinion and Carrier Bearing Puller ST 49 UN01 029 to remove the differential bearing
- Repeat the procedure for the other side.
  
  Fig 8: Removing Differential Bearings Using Pinion & Carrier Bearing Puller
  Courtesy of MAZDA MOTORS CORP.