Ford 2L1Z-3B414-AA Joint And Stub Shaft Assembly

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To remove and install front driveaxles on 2004 and earlier models, turn off air suspension (if equipped), loosen lug nuts, raise vehicle, remove wheel, cotter pin, nut lock, and hub nut. Remove driveaxle flange bolts, steering knuckle, and driveaxle assembly. For installation, follow reverse order, tighten hub nut and CV joint flange bolts, and use new cotter pin. Reactivate air suspension if applicable. On 2005 and later models, remove hub dust cap and driveaxle nut. Loosen lug nuts, raise front of vehicle, support with jackstands, disconnect vacuum tube(s), remove IWE retainer bolts, and disconnect tie-rod end and upper ball joint. Pull steering knuckle outward while pushing inward on driveaxle, use special tool to pull inner driveaxle CV joint away from differential. For rear driveaxles on 2003 and later Expedition/Navigator models, block front wheels, loosen lug nuts, raise rear of vehicle, remove wheel. Depress brake pedal, unscrew driveaxle/hub nut, remove brake disc, suspend brake caliper, remove parking brake cable bolt, cover stabilizer bar link stud threads, detach lower control arm and toe link from rear knuckle. Use puller tool to push driveaxle out of hub, raise lower end of knuckle outward, drive inner end of driveaxle out of differential. For installation, pry off old spring clip, replace it, apply grease, insert splined end of inner CV joint into differential, ensure spring clip locks in place. Apply grease to outer CV joint splines, insert outer end of driveaxle into hub, connect lower control arm and toe link to knuckle, tighten fasteners. Install new driveaxle/hub nut, tighten securely, install parking brake cable, brake disc, and caliper. Have assistant push brake pedal, tighten driveaxle/hub nut, reinstall wheel and lug nuts, lower vehicle, tighten lug nuts.

Remove the caps from the vent and vacuum ports and connect the vent and vacuum lines to the integrated wheel end.

The torque should be tightened.

For these models, additional steps include removing the rear driveshaft and driveaxles, spare tire, differential vent hose, and vehicle speed sensor connector.

Before removing the driveaxle, remove the cotter pin and nut lock, and use a prybar or screwdriver to hold the driveaxle while loosening the hub nut. Remove the nut and washer, followed by the driveaxle flange bolts, marking the relationship of the inner CV joint to the flange.

Always make sure that an axle unit is exchanged for one of identical type and gear ratio.

Turn off the air suspension system.

To prevent the differential case from turning when removing the pinion shaft lock bolt, position a large screwdriver between the rear axle case and a ring gear bolt.

After removing the mounting bolts, the axle assembly should be lowered and removed from under the vehicle.

The driveaxles in the front axle assembly have inner and outer constant velocity (CV) joints.

Remove the lower mounting bolts securing the rear shocks to the axle.

If the vehicle is equipped with air suspension, you should turn off the air suspension system. The switch for this is located behind the right kick panel.

Remove the front wheels.

When diagnosing axle issues, it's crucial to consider other potential causes such as road and tire noise, as these can mimic mechanical problems. Engine and transmission noise can also affect axle diagnosis.

Lift the rear of the vehicle securely with jackstands under the frame.