Removal Note

CAUTION:

This operation disturbs the differential pinion bearing preload. This preload must be carefully reset when assembling.

Raise and support the vehicle.
Index mark the front propeller shaft to the companion flange.

Fig 1: Locating Companion Flange Pinion Stem
Courtesy of MAZDA MOTORS CORP.
NOTE:
- Do not allow the propeller shaft to hang unsupported.
Disconnect the front propeller shaft; see PROPELLER SHAFT FRONT (4X4) REMOVAL/INSTALLATION .
Measure the pinion bearing preload.
- Use a beam-type torque wrench to measure the torque required to maintain rotation of the pinion and record the measurement for reference during installation.
Index mark the companion flange to the pinion stem.

Fig 2: Locating Pinion Nut
Courtesy of MAZDA MOTORS CORP.
Use Coupling Holder SST 49 S120 710 and remove the pinion nut.

Fig 3: Removing Pinion Nut
Courtesy of MAZDA MOTORS CORP.
CAUTION:
- Before proceeding, place a drain pan under the axle housing.
NOTE:
- Inspect the companion flange for burrs and replace as necessary. Make sure that the surfaces of the companion flange have not been damaged during removal. The end of the companion flange that contacts the bearing cone, the nut counterbore, and the seal surface must be smooth and free of nicks.
Use a 2-Jaw Puller to remove the companion flange.