🔧 Equinox - Front Lower Ball Joint Replacement (via Control Arm)

On your Equinox, the front lower ball joint is built into the lower control arm from the factory. For a first-time DIYer, the safest and easiest way is to replace the whole lower control arm, which gives you a new ball joint and bushings together.

Difficulty Level: Intermediate | Estimated Time: 3-4 hours (both sides)

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⚠️ Safety & Precautions

• 🛑 Always support the vehicle with jack stands, never rely only on a floor jack.
• 🛑 Work on solid, level ground and chock the rear wheels so the car cannot roll.
• 🔥 Front suspension parts can be dirty and rusty; wear safety glasses and mechanic gloves.
• ⚠️ Do not place any part of your body under the vehicle unless it is firmly supported on jack stands.
• ⚡ Battery disconnection is not required, but keep the ignition off while working.

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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, Qty: 2-4)
• 🧰 Wheel chocks
• 🧰 Lug wrench (19mm)
• 🧰 Socket set (8mm-21mm)
• 🧰 Ratchet (3/8" and 1/2" drive)
• 🧰 Breaker bar (1/2" drive)
• 🧰 Torque wrench (10-150 ft-lbs range)
• 🧰 Combination wrench set (10mm-21mm)
• 🧰 Ball joint separator tool (pickle fork) (specialty)
• 🧰 Hammer (2-3 lb)
• 🧰 Pry bar (18"-24")
• 🧰 Flathead screwdriver (medium)
• 🧰 Needle-nose pliers
• 🧰 Wire brush
• 🧰 Penetrating oil spray
• 🧰 Paint marker or chalk
• 🧰 Safety glasses
• 🧰 Mechanic gloves
• 🧰 Shop light or headlamp

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• 🔩 Front lower control arm with ball joint (left side) - Qty: 1
• 🔩 Front lower control arm with ball joint (right side) - Qty: 1
• 🔩 Front lower control arm mounting bolts and nuts kit - Qty: 1 set
• 🔩 Ball joint pinch bolt and nut (steering knuckle) - Qty: 2
• 🔩 Penetrating oil - Qty: 1
• 🔩 Anti-seize compound - Qty: 1
• 🔩 Brake cleaner spray - Qty: 1

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📋 Before You Begin

• 🚗 Park on level ground, set the parking brake, and place the transmission in Park.
• 🧱 Place wheel chocks behind both rear wheels.
• 🔍 Loosen (but do not remove) the front wheel lug nuts with the 19mm lug wrench while the vehicle is still on the ground.
• 📸 Take a quick photo of how the control arm, ball joint, and stabilizer link are positioned for reference during reassembly.
• 📏 Plan to get a professional wheel alignment after this job; changing control arms affects alignment.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Lift and support the front of the vehicle

• Position the floor jack under the front subframe center and slowly lift the front of the Equinox until both front wheels are off the ground.
• Place jack stands under the proper front pinch weld or frame support points on both sides and gently lower the vehicle onto the stands with the floor jack.
• Give the vehicle a gentle push to be sure it is solidly supported on the jack stands.
• Remove the front wheels using the 19mm lug wrench.

Step 2: Identify the lower control arm and ball joint

• Use a shop light to look under the wheel well; the lower control arm is the large, curved metal arm running from the subframe (body) to the bottom of the steering knuckle.
• The ball joint is at the outer end of the control arm where it connects to the bottom of the steering knuckle.
• Use the paint marker to mark the current position of the control arm bolts on the subframe as a rough reference.

Step 3: Soak all fasteners with penetrating oil

• Spray penetrating oil on:
  • Control arm rear bushing bolts (to subframe)
  • Front control arm bolt (to subframe)
  • Ball joint pinch bolt and nut at the steering knuckle
  • Stabilizer link nut (if attached to the control arm)
• Let it soak for at least 5-10 minutes while you set up other tools.

Step 4: Disconnect the stabilizer (sway bar) link from the control arm (if attached)

• A sway bar link connects the control arm to the sway bar; it helps reduce body roll in turns.
• Use the appropriate socket (usually 18mm) and ratchet to remove the nut that holds the sway bar link to the control arm.
• If the stud spins, use a wrench on the back side (often Torx or hex) while turning the nut with the socket.
• Move the link aside; you may need the pry bar gently if it sticks.

Step 5: Remove the ball joint pinch bolt from the steering knuckle

• The pinch bolt squeezes the steering knuckle around the ball joint stud.
• Use a wire brush to clean rust and dirt around the pinch bolt area.
• Use an appropriate socket (usually 18mm) and ratchet on the nut while holding the bolt head with a wrench, and remove the nut and bolt.
• Set the bolt and nut aside; these are usually replaced, but keep them for reference.

Step 6: Separate the ball joint from the steering knuckle

• A ball joint separator (pickle fork) is a wedge-shaped tool used to split the joint apart.
• Insert the ball joint separator tool between the control arm ball joint and the steering knuckle.
• Tap the separator with the hammer until the ball joint stud pops loose from the knuckle. Keep fingers away from the tool.
• If needed, use a pry bar under the control arm to help push the ball joint stud down and out of the knuckle.

Step 7: Remove the control arm mounting bolts from the subframe

• There are usually two rear bolts and one front bolt holding the control arm to the subframe.
• Use the correct size socket (typically 18mm-21mm) and breaker bar to break each bolt loose.
• After breaking them loose, use a ratchet and socket to fully remove the bolts.
• Support the control arm with your hand so it does not drop suddenly when the last bolt is removed.

Step 8: Remove the old control arm

• Lower the control arm out of the subframe and away from the steering knuckle.
• You may need to wiggle it or use a pry bar gently to get it out of tight spots.
• Compare the old control arm to the new one to make sure they are the same shape and size and that the ball joint orientation matches.

Step 9: Install the new control arm into the subframe

• Position the new control arm in place at the subframe mounting points.
• Install the new mounting bolts by hand to avoid cross-threading.
• Use the appropriate socket and ratchet to snug the bolts, but do not fully torque them yet. Leave them slightly loose so the arm can move.

Step 10: Insert the ball joint stud into the steering knuckle

• Use the floor jack with a wood block under the control arm to gently lift the arm until the ball joint stud lines up with the opening in the steering knuckle.
• Raise slowly until the ball joint stud fully seats in the knuckle.
• If needed, guide the stud by hand while lifting with the floor jack. Keep hands clear if something might slip.

Step 11: Install the new ball joint pinch bolt and nut

• Apply a light coat of anti-seize compound on the new pinch bolt threads.
• Insert the new pinch bolt through the steering knuckle and ball joint slot.
• Install the new nut and tighten it using the appropriate socket and ratchet while holding the bolt head with a wrench.
• Tighten to specification: Torque to 50 Nm (37 ft-lbs).

Step 12: Torque the control arm mounting bolts

• Control arm bushings should be torqued with the suspension at normal ride height to avoid twisting the rubber.
• Keep the floor jack under the control arm and raise it until the vehicle just begins to lift off the jack stand slightly. This simulates ride height.
• Use the appropriate socket and torque wrench to tighten the front and rear control arm bolts.
• Typical spec for this platform:
  • Front control arm-to-subframe bolt: Torque to 115 Nm (85 ft-lbs) + 90° turn
  • Rear control arm-to-subframe bolts: Torque to 115 Nm (85 ft-lbs) + 90° turn
• If your bolts are “torque-to-yield” (single-use), always use new ones from the kit.

Step 13: Reattach the stabilizer (sway bar) link

• Position the sway bar link stud back into the control arm hole.
• Install the nut and tighten with the correct size socket and ratchet while holding the stud with a wrench if needed.
• Tighten to specification: Torque to 65 Nm (48 ft-lbs).

Step 14: Repeat on the other side

• Repeat Steps 3-13 on the other front wheel for the other control arm and ball joint.
• Always replace suspension parts in pairs.

Step 15: Reinstall wheels and lower the vehicle

• Install the front wheels and hand-thread the lug nuts using the 19mm lug wrench.
• Use the floor jack to raise the vehicle slightly, remove the jack stands, then lower the vehicle fully to the ground.
• Using the torque wrench and 19mm socket, tighten the lug nuts in a star pattern to: Torque to 135 Nm (100 ft-lbs).

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✅ After Repair

• 🧪 Take the vehicle for a short, slow test drive. Listen for clunks, pops, or any unusual noises from the front suspension.
• 🚗 The steering wheel may be slightly off-center or the car may pull a bit; this is normal after suspension work.
• 📏 Schedule a professional 4-wheel alignment as soon as possible to prevent uneven tire wear and to restore proper handling.
• 🔍 After the first drive, recheck the lug nut torque with the torque wrench and visually inspect the control arm bolts and ball joint area for anything loose.

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💰 DIY vs Shop Cost

Shop Cost: $600-$900 (parts + labor, both sides)

DIY Cost: $200-$350 (parts only, both sides)

You Save: $400-$550 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2-3 hours.

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🎯 Ready to get started?

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