Oil Seal (Side Gear) Replacement

Special Service Tool (SST) 

49 D028 203 Support block

Courtesy of MAZDA MOTORS CORP.

1. Switch the ignition ON (engine off).
2. Release the electric parking brake.
3. Switch the ignition off.
4. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
5. Remove the wheels and tires. (See WHEEL AND TIRE REMOVAL/INSTALLATION .)
6. Remove the drain plug and the drain differential oil into a container. (See DIFFERENTIAL OIL REPLACEMENT .)
7. Install a new washer and the drain plug, and tighten.

   Tightening torque 

   40-53 N.m {4.1-5.4 kgf.m, 30-39 ft.lbf}

8. Remove the rear drive shaft. (See REAR DRIVE SHAFT REMOVAL/INSTALLATION .)
9. Remove the clip from the drive shaft.
   CAUTION:

   • Wrap the end of a screwdriver with cloth to prevent scratches to the inside of the differential casing.
10. Remove the oil seal from the differential casing using a screwdriver.
    Fig 1: Removing Oil Seal From Differential Casing Using Screwdriver

    Courtesy of MAZDA MOTORS CORP.
11. Apply differential oil to the new oil seal lip.
    NOTE:

    • Install the oil seal at a straight angle.
12. Install the new oil seal to the differential carrier using the SST.
    Fig 2: Installing Oil Seal To Differential Carrier Using SST

    Courtesy of MAZDA MOTORS CORP.
13. After installing the new clip onto the drive shaft, insert the drive shaft into the differential. (See REAR DRIVE SHAFT REMOVAL/INSTALLATION .)
14. Verify that the drive shaft cannot be pulled out.
15. Add the specified differential oil. (See DIFFERENTIAL OIL REPLACEMENT .)
16. After adding the oil, perform an oil level inspection. (See DIFFERENTIAL OIL INSPECTION .)
17. Install a new washer and the oil filler plug, and tighten.

    Tightening torque 

    40-53 N.m {4.1-5.4 kgf.m, 30-39 ft.lbf}

18. Install the wheels and tires. (See WHEEL AND TIRE REMOVAL/INSTALLATION .)
19. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)