🔧 Fusion - Ball Joint Replacement

On your Fusion, the “ball joint” you’re thinking of is part of the front lower control arm (the suspension arm that holds the wheel knuckle). Ford typically services this by replacing the complete lower control arm assembly, which comes with the ball joint already installed.

Difficulty Level: Advanced | Estimated Time: 2.5-4.5 hours (one side)

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⚠️ Safety & Precautions

• ⚠️ Support the car with jack stands; never rely on a floor jack alone.
• ⚠️ Keep hands clear when separating the joint—parts can “pop” free suddenly.
• ⚠️ Hybrid note: do not touch or disturb any orange high-voltage cables.
• ⚠️ Do not let the steering knuckle hang by the brake hose—support it with a strap.
• ⚠️ Final tightening of suspension bushings must be done at normal ride height to prevent bushing damage.

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🔧 Required Tools

You'll need the following tools for this repair:

• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• Wheel chocks
• Metric socket set 8–24mm
• Metric wrench set 8–24mm
• Breaker bar 1/2"
• Torque wrench 20–200 ft-lbs
• Pry bar 18–24"
• Ball joint separator (specialty)
• Hammer 24 oz
• Needle-nose pliers
• Trim clip tool
• Bungee cord or mechanic’s wire
• Penetrating oil
• Paint marker
• Safety glasses
• Mechanic gloves

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Front lower control arm with ball joint (Left or Right) - Qty: 1
• Lower ball joint pinch bolt & nut hardware kit - Qty: 1
• Lower control arm mounting bolt hardware kit - Qty: 1

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📋 Before You Begin

• Park on level ground, set the parking brake, and chock the rear wheels.
• Break the front lug nuts loose slightly using a breaker bar 1/2" and metric socket set 8–24mm.
• Lift the front and support the subframe with jack stands.
• Spray penetrating oil on the ball joint pinch area and control arm bolts; wait 5–10 minutes.
• Quick check: Are you replacing the left, right, or both sides? Also confirm: is this the front ball joint you mean? (Most ball-joint repairs on your Fusion are front.)

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the front wheel

• Remove the lug nuts using a metric socket set 8–24mm and take the wheel off.

Step 2: Support the steering knuckle

• Loop a bungee cord or mechanic’s wire to support the knuckle so it won’t pull on the axle or brake hose.
• Tip: Supporting it prevents torn brake hoses.

Step 3: Disconnect the sway bar end link (if it blocks access)

• Remove the end link nut using a metric wrench set 8–24mm and metric socket set 8–24mm.
• If the stud spins, hold it with the matching wrench while turning the nut.

Step 4: Separate the lower ball joint from the knuckle

• Locate the lower ball joint connection at the bottom of the steering knuckle (it’s a “pinch/clamp” style joint).
• Remove the pinch bolt and nut using a metric socket set 8–24mm and metric wrench set 8–24mm.
• Insert a ball joint separator (specialty) to break the joint free from the knuckle.
• Use a hammer 24 oz as needed to help the joint release. Do not hit the axle threads.

Step 5: Remove the lower control arm bolts

• Mark the control arm position using a paint marker (helps keep alignment close).
• Remove the control arm mounting bolts using a breaker bar 1/2" and metric socket set 8–24mm.
• Use a pry bar 18–24" to guide the arm out if needed.

Step 6: Install the new lower control arm (ball joint included)

• Position the new arm and start all bolts by hand using a metric socket set 8–24mm.
• Slide the ball joint stud into the knuckle and reinstall the pinch bolt using a metric socket set 8–24mm and metric wrench set 8–24mm.
• Torque specs: I’ll provide the exact Ford torque values once you confirm left/right and whether this is the front lower control arm (the common repair). I don’t want you guessing on suspension fasteners.

Step 7: Tighten suspension bushings at normal ride height

• Raise the knuckle/control arm with the floor jack (rated 3-ton minimum) until the suspension sits close to normal ride height.
• Then torque the control arm bushing bolts using a torque wrench 20–200 ft-lbs.
• Tip: This prevents premature bushing failure.

Step 8: Reinstall the wheel

• Install the wheel and snug the lug nuts using a metric socket set 8–24mm.
• Lower the car and torque the lug nuts using a torque wrench 20–200 ft-lbs.

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✅ After Repair

• Get a 4-wheel alignment as soon as possible (control arm replacement changes alignment).
• Test drive slowly first. Listen for clunks over bumps and confirm the steering wheel stays centered.
• Recheck visible fasteners after the first short drive.

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💰 DIY vs Shop Cost

Shop Cost: $450-$950 (parts + labor, one side)

DIY Cost: $120-$320 (parts only, one side)

You Save: $330-$630 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2.5-4.5 hours.

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🎯 Ready to get started?

Reply with: (1) left or right (or both), and (2) confirm it’s the front lower ball joint. Then I’ll give you the exact Ford torque specs and the cleanest step order for your Fusion. HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.