2002 Bombardier Quest 650XT Service Manual, Page 231Get this manual
Section 06 DRIVE TRAIN Subsection 02 (FRONT DRIVE)
WHEEL HUB
NOTE: When wheel hub is removed, remove the knuckle tooIt is necessary to change the wheel bearing and the both seals
KNUCKLE
NOTE: It is possible to remove the knuckle with the wheel hub assemblyFor that, remove the castellated nut retaining drive shaft and continue the following procedure without removing hub
Removal
Raise front of vehicle, support it securely on jack stands and remove front wheel(s)Remove wheel cap, cotter pin, castellated nut, flat washer and O-ringNOTE: Check O-ring for damage, replace if necessaryUse hub puller (PN 529 035 612) to extract the wheel hub
Removal
Remove hubRemove cotter pin and castellated nut from upper and lower A-armDetach upper and lower A-arm from knuckleRemove cotter pin and castellated nut from tie-rod and separate tie-rod from knuckleSeparate knuckle from drive shaft
Inspection
Inspect knuckle for damageIf any damage is detected, change the knuckle
Installation