Q: How to replace and reinstall the rear axle shafts, Wheel Bearing, Wheel Seal in a Nissan Pathfinder?A: Loosen wheel lug nuts, raise vehicle and support on jackstands. Remove wheel, brake drum and shoes, disconnect parking brake cable and hydraulic line fitting. Unbolt axle retaining plate, pull axle from housing. Take assembly to machine shop for bearing and seal replacement. Pry out oil seal, drive in new one. Apply grease to bearing. Install shims, guide axleshaft into housing. Install retaining plate nuts, check end play. Reverse removal, check lubricant level, bleed brakes, install wheel and lug nuts. Lower vehicle, tighten lug nuts.