Mercury F2AZ-4234-C Shaft Assy - Rear Axle

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Remove the wheel lug nuts, lift the vehicle's rear, support it on jack stands, and remove the wheel and brake drum. Remove the differential carrier cover and drain the lubricant. Remove the lock bolt from the differential pinion shaft and slide the pinion shaft out. Utilize a screwdriver to stop the differential case from turning. Rotate the case 180 degrees and slide the pinion shaft out until it contacts the ring gear. Remove the C-lock from the axle shaft and withdraw the axle shaft, avoiding damage to the oil seal. Don't rotate the differential while the pinion shaft is out. Reverse these steps for installation.

Begin by loosening the wheel lug nuts, then raise the rear of the vehicle and securely support it on jackstands. Remove the wheel and, if applicable, the brake drum or the caliper and disc.

Unbolt the driveshaft from the differential companion flange and wire it aside. Place a floor jack under the differential and raise the rear axle slightly. If applicable, disconnect the safety chain through the coil springs or disconnect the air springs.

Installation is the reverse of removal. Tighten the differential pinion shaft lock bolt to the torque specifications. Install the differential cover. Refill the axle with the correct quantity and grade of lubricant.

Remove the rear axle cover and drain the lubricant.

Install the axleshafts, brake drums or discs and calipers, the rear axle cover, and fill the differential with the recommended oil. Finally, install the wheels, lower the vehicle, and tighten the lug nuts to the specified torque.