Mercury 6W7Z-3079-AA Arm Assembly - Front Suspension

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Remove the cotter pin from the balljoint stud. Loosen the castle nut on the stud. Use sharp raps on the steering knuckle near the stud to release pressure and loosen the stud. Remove the balljoint stud nut. Lower the control arm by removing its mounting bolts.

Remove the cotter pin from the upper balljoint stud and loosen the stud nut slightly. Place a floor jack under the lower control arm and raise it slightly. Tap the steering knuckle near the upper balljoint stud with a hammer to loosen it. Use a balljoint stud separator if needed (note that this may damage the balljoint boot). Remove the nut from the upper balljoint stud and the upper control arm pivot shaft attaching bolts. Remove the upper control arm and pivot shaft as an assembly.

Remove the shock absorber (for 2002 and earlier models). On 1988 through 1991 models, disconnect the stabilizer bar link from the lower control arm. Remove the coil spring (for 2002 and earlier models).

Install the wheel. Tighten the lug nuts. Remove the jackstands. Lower the vehicle. Visit an alignment shop for caster, camber, and toe-in adjustments as needed.