Polaris Sportsman 400 Service Manual page 235

FRONT HUB REMOVAL (AWD)
If an AWD problem is encountered, thoroughly inspect
the electrical portion of the system as well as the front
hub mechanism. Refer to the electrical chapter.
1. Carefully lift and support the front end of the
machine as shown with the jack stands under the
front end of the foot rests. CAUTION: Make sure
the machine is solidly supported before proceeding.
Serious injury could occur if the machine tips or falls.
2. Remove the front wheels and thoroughly clean the
area around the hub, strut casting, brake caliper and
brake disc.
3. Remove the two brake caliper attaching bolts.
CAUTION: Do not hang the caliper by the brake
hose. Use wire to hang the caliper to prevent
possible damage to the brake line or speed sensor.
4. Place a catch pan beneath the front hub and remove
the hub cap.
5. Remove cotter pin and nut.
6. Remove front hub and bearings.
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FINAL DRIVE
7.3