Nissan 40202-2S605 Hub Assembly

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The front wheel bearings must be checked and repacked. For this, you need to have jackstands that can support the vehicle safely, torque wrench, grease hammer, wood block, needle nose pliers, grease gun, socket/breaker bar hammer, screwdriver and brush. Begin by spinning each wheel to check for noise, rolling resistance and endplay. If any detectable movement occurs when moving the wheel in and out on the spindle is observed then the bearings should be inspected and either packed with grease or replaced as necessary. Take out disc brake caliper and caliper mounting bracket after removing wheel. On ABS equipped vehicles remove front wheel speed sensors while in case of 4WD models remove free running hub if present. In case of 2WD Frontier models remove hub cap followed by cotter pin spindle nut as well as thrust washer. On 4WD frontier models also all Xterras and pathfinders remove lockwasher screws lockwasher along with locknut using a special tool then pull hub assembly off spindle. Pry rear seal from hub assembly, remove inner wheel bearing and clean out all old grease from bearings, hub, spindle using solvent. Examine races and bearings for damage; replace them as matched sets if necessary. Pack bearings with high temperature front wheel bearing grease; apply grease to the spindle and hub races. Put together again the hub assembly while for 2WD Frontier models follow specific procedures for tightening of spindle nut torque as follows; tighten the locknut to specified torques for 4WD Frontier models plus all Xterras & Pathfinders measuring wheel bearing preload adjust respectively according to need). Finish installments by performing reverse steps while ensuring proper torque of lugs nuts on wheels plus attachment of hub cap in place.

Pry out the seal from the rear of the hub assembly, remove the inner wheel bearing, and clean all old grease from the bearings, hub, and spindle with solvent. Inspect the bearings and races for damage, and if necessary, replace them as matched sets.