Lincoln DT4Z-4K139-A Shaft Assembly - Rear Axl

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To install a new drive axle: Replace the spring clip at the inner end. Lubricate the seals and insert the drive axle into the differential or intermediate shaft, ensuring the spring clip locks in place. For the left-side drive axle, position the clip gap at 6 o'clock for easier insertion. Apply grease to the outer CV joint splines. Secure the knuckle assembly and connect the lower control arm. Seat the drive axle with the old drive axle/hub nut, tighten it while preventing rotation, then replace it with a new nut, tightening within five minutes of initial threading. Install the wheel, lower the vehicle, and tighten the lug nuts.

The procedure for intermediate shaft removal and installation varies based on the model year and type of vehicle. It typically involves removing certain bolts, nuts, and inspecting the support bearing. The installation process reverses the removal steps, ensuring proper torquing of fasteners.