This procedure covers removal and replacement of the front lower control arm on a 2011-2014 Ford F-150 4WD with the 5.0L Coyote V8 engine, including ball joint separation and proper torque sequence.

Warnings

Tools required

Parts

• Lower control arm assembly × 1 — Use OEM specification or quality aftermarket equivalent
• Ball joint castle nut (if not included with control arm) × 1 — M14 x 2.0 castle nut
• Cotter pin × 1 — 3mm x 40mm

Preparation

1. Park vehicle on level ground and engage parking brake
2. Chock rear wheels securely
3. Loosen front wheel lug nuts while vehicle is on ground (do not remove)
4. Raise front of vehicle and support on jack stands placed on frame rails
5. Remove front wheel on side being serviced
6. Spray all control arm fasteners with penetrating oil and allow to soak 10-15 minutes
7. Verify correct replacement control arm matches original (driver vs passenger side specific)

Procedure

1. 1

   Support lower control arm
   Position floor jack under the lower control arm near the ball joint to support the arm and take tension off the suspension. Raise jack just enough to slightly compress the coil spring. This prevents the control arm from dropping suddenly when disconnected.
2. 2

   Remove sway bar link from lower control arm
   Locate the sway bar end link attached to the lower control arm. Use an Allen key to hold the shaft from spinning while removing the lower nut with a wrench. Remove the nut completely and disconnect the sway bar link from the control arm. Support the link with wire if necessary to keep it out of the way.
   Torque spec

   Sway Bar Link Nuts55 Nm (41 lb-ft)
3. 3

   Remove ball joint cotter pin and castle nut
   Straighten and remove the cotter pin from the ball joint castle nut at the steering knuckle. Use a 22mm socket to remove the castle nut from the ball joint stud. Do not reuse the cotter pin. Keep the floor jack supporting the lower control arm throughout this step.
   ℹ️The castle nut may be tight due to staked threads. Use a breaker bar if necessary.
   Torque spec

   Ball Joint Nut110 Nm (81 lb-ft)
4. 4

   Separate ball joint from knuckle
   Using a ball joint separator or pickle fork, position the tool between the lower control arm and the steering knuckle at the ball joint taper. Strike the tool firmly with a hammer or tighten the separator tool until the ball joint stud releases from the knuckle taper. The separation will occur suddenly, so maintain control of the tool.
   ⚠Stand to the side when striking the separator tool. The tool can slip or release suddenly causing injury.
5. 5

   Mark control arm orientation
   Before removing the control arm mounting bolts, note the orientation of any washers, spacers, or cam adjustment bolts. Take a photo if available. Mark the position of the control arm relative to the frame for reference during installation to maintain approximate alignment.
6. 6

   Remove front control arm mounting bolt
   Locate the front mounting bolt that attaches the control arm to the frame. This is typically oriented horizontally through the front bushing. Use an 18mm or 21mm socket and wrench to remove the nut and bolt completely. Support the control arm with the floor jack as you remove the bolt.
   Torque spec

   Control Arm Bolts165 Nm (122 lb-ft)
7. 7

   Remove rear control arm mounting bolt
   Locate the rear mounting bolt that attaches the control arm to the frame through the rear bushing. Use an 18mm or 21mm socket and wrench to remove the nut and bolt. As you remove this final bolt, carefully lower the floor jack to control the descent of the control arm.
   Torque spec

   Control Arm Bolts165 Nm (122 lb-ft)
8. 8

   Remove lower control arm
   With both mounting bolts removed and the ball joint disconnected, carefully lower the floor jack and maneuver the lower control arm out from the suspension assembly. It may be necessary to tilt or rotate the arm to clear the frame and other components. Inspect the mounting points on the frame for damage or excessive corrosion.
9. 9

   Prepare and install new control arm
   Clean the frame mounting points with a wire brush, removing any corrosion or debris. Compare the new control arm to the old unit to verify correct part. Transfer any reusable hardware if necessary. Position the new control arm into place, aligning it with the frame mounting points. Support with the floor jack.
   ℹ️If the control arm includes a new ball joint, verify it has the grease fitting installed and is pre-lubricated.
10. 10

    Install control arm mounting bolts finger-tight
    Insert the front and rear control arm mounting bolts through the bushings and frame brackets. Install the nuts finger-tight only at this stage. Do NOT torque these bolts yet. The control arm bushings must be torqued with the vehicle weight on the suspension to avoid premature bushing failure.
    ⚠Control arm bolts are intentionally left loose at this stage. Final torque occurs after vehicle is lowered.
11. 11

    Connect ball joint to steering knuckle
    Raise the floor jack to lift the lower control arm and align the ball joint stud with the hole in the steering knuckle. Insert the stud through the knuckle. Install the new castle nut and tighten to specification using a torque wrench. Align the castle nut slots with the hole in the stud. Install a new cotter pin and bend the ends to secure.
    ℹ️If castle nut slots do not align with cotter pin hole at proper torque, tighten further to next alignment point. Never loosen to align.
    Torque spec

    Ball Joint Nut110 Nm (81 lb-ft)
12. 12

    Reconnect sway bar end link
    Reconnect the sway bar end link to the lower control arm. Install the nut while holding the shaft with an Allen key to prevent spinning. Torque the nut to specification.
    Torque spec

    Sway Bar Link Nuts55 Nm (41 lb-ft)
13. 13

    Reinstall wheel and lower vehicle
    Install the wheel and thread lug nuts by hand. Lower the vehicle until the tire just contacts the ground but the suspension is not fully loaded. Torque the lug nuts to specification in a star pattern. Then fully lower the vehicle so the full weight is on the suspension.
    Torque spec

    Wheel Lug Nuts169 Nm (125 lb-ft)
14. 14

    Torque control arm bolts with weight on suspension
    With the vehicle fully lowered and weight on the suspension, torque the front and rear control arm mounting bolts to specification. This is critical for proper bushing life. Use a torque wrench and torque in the sequence: front bolt first, then rear bolt. Rock the vehicle side-to-side before final torque to settle the suspension.
    ⚠️This step must be performed with vehicle weight on wheels. Torquing with suspension hanging will cause premature bushing failure.
    Torque spec

    Control Arm Bolts165 Nm (122 lb-ft)

Reassembly

1. If working on both sides, repeat entire procedure for opposite side
2. Verify all fasteners are torqued to specification
3. Check that cotter pin is properly installed and secured on ball joint

Verification

• Test drive vehicle at low speed in a safe area and verify no unusual noises from front suspension
• Check for proper steering response and stability
• Verify no clunking sounds when going over bumps
• Have front end alignment checked and adjusted by qualified technician within 50 miles of repair - control arm replacement will affect alignment settings
• After 50-100 miles, re-torque all control arm fasteners to specification and check for any looseness

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