Ford 7T4Z-3A427-B Front Axle Shaft

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To remove the front drive axle, loosen lug nuts, raise the vehicle, and remove the wheel. On older models, the axle connects to the intermediate shaft at the back of the engine block. On newer models, the axle and shaft form a unit with a retaining strap. On AWD models, the shaft is attached to the transfer case. Remove the axle/hub nut, disconnect brake hose and speed sensor, and separate the lower control arm. Use a hub remover to separate the axle from the hub. For older models, strike the inner CV joint. For newer models, remove the support bearing strap. For AWD models, use a prybar. Remove the left-side axle by prying the inner CV joint. Install a new axle by replacing the spring clip, lubricating seals, and inserting it. Grease the outer CV joint, secure the knuckle assembly, and connect the control arm. Tighten the axle nut and install the wheel. For intermediate shaft removal, remove support bracket and bearing bolts. Check the bearing. On newer models, remove mounting bolts and O-ring. Install by reversing steps. For rear axle removal on AWD models, remove wheel, sensor, caliper, and disc. Remove axle/hub nut and use a hub remover. On newer models, remove hub assembly and knuckle. Pry out the axle from the differential. Install by replacing the spring clip, applying grease, and inserting the axle. Install the hub assembly and secure with a new nut. Complete the installation and tighten lug nuts.

For rear drive axle removal on AWD models: Block the front wheels. Remove the rear wheel, wheel speed sensor, brake caliper, and brake disc. Remove the drive axle/hub nut. Use a drive hub remover to separate the drive axle from the wheel hub. On 2011 and later models, remove the hub and bearing assembly and rear knuckle. Pry out the inner end of the drive axle from the differential and remove it. For installation: Replace the spring clip. Apply grease to the seal area and insert the drive axle into the differential, ensuring the spring clip locks. Install the hub and bearing assembly, securing the drive axle with a new drive axle/hub nut. Tighten the nut with the brake applied, remove and discard it, then replace it with a new nut, tightening it promptly. Complete the installation, install the wheel, lower the vehicle, and tighten the lug nuts.

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