🔧 Tucson - Control Arm Bushing Replacement

This repair replaces the front lower control arm bushings on your Tucson. These bushings are rubber mounts pressed into the control arm; they let the suspension move while keeping the wheel aligned and stable.

Difficulty Level: Advanced | Estimated Time: 3-5 hours per side

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⚠️ Safety & Precautions

• ⚠️ Support your Tucson with jack stands before working underneath it. Never rely on a floor jack alone.
• ⚠️ The control arm carries suspension load. Keep hands clear when separating the ball joint and removing the arm.
• ⚠️ Do not loosen the front subframe unless you are prepared for alignment correction afterward.
• ⚠️ Final-tighten control arm bushing bolts only at normal ride height to prevent twisting and early bushing failure.
• ⚠️ A hydraulic press can crush fingers. Keep hands away from the press plates and bushing sleeve.
• ⚠️ A wheel alignment is required after this repair.

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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
• 21mm lug nut socket
• Breaker bar 1/2-inch drive
• Ratchet handle 1/2-inch drive
• Socket set metric 10mm-24mm
• Wrench set metric 10mm-24mm
• Torque wrench 1/2-inch drive 30-250 ft-lbs
• Torque wrench 3/8-inch drive 10-100 ft-lbs
• Ball joint separator tool (specialty)
• Hydraulic shop press 12-ton minimum (specialty)
• Bushing press adapter kit (specialty)
• Paint marker
• Dead blow hammer 2-lb
• Pry bar 18-inch
• Needle-nose pliers
• Penetrating oil
• Rubber-safe lubricant
• Safety glasses
• Mechanic gloves

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Front lower control arm front bushing - Qty: 1 per side
• Front lower control arm rear bushing - Qty: 1 per side
• Front lower control arm assembly - Qty: 1 per side, recommended beginner-friendly option
• Lower ball joint nut - Qty: 1 per side
• Control arm mounting bolts and nuts - Qty: 1 set per side, replace if corroded or damaged

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📋 Before You Begin

• Park your Tucson on a flat, solid surface.
• Set the parking brake and place wheel chocks behind the rear wheels.
• Loosen the front wheel lug nuts one turn while the tire is still on the ground.
• A ball joint separator is a tool that pops the ball joint stud out of the steering knuckle without hitting the threads.
• A hydraulic shop press is a machine that pushes bushings in and out using controlled force.
• For a first-time DIYer, replacing the complete front lower control arm is usually safer and easier than pressing bushings.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Loosen the Front Wheel Lug Nuts

• Use a 21mm lug nut socket and breaker bar to loosen the front wheel lug nuts one turn.
• Do not remove the lug nuts yet.

Step 2: Raise and Support the Front of the Vehicle

• Use a floor jack rated 3-ton minimum to lift the front of your Tucson at the front center jacking point.
• Place jack stands rated 3-ton minimum under the approved front support points.
• Lower the vehicle gently onto the jack stands.
• Shake the vehicle lightly to confirm it is stable.
• Stable stands save lives.

Step 3: Remove the Front Wheel

• Use a 21mm lug nut socket and ratchet handle to remove the loosened lug nuts.
• Remove the front wheel and place it flat under the side of the vehicle as an extra safety backup.

Step 4: Mark the Control Arm Position

• Use a paint marker to mark the position of the control arm mounting points.
• These marks help you get close during reassembly, but they do not replace an alignment.

Step 5: Remove the Lower Ball Joint Nut

• Use needle-nose pliers to remove the cotter pin if fitted.
• Use the correct metric socket from the 10mm-24mm socket set and a ratchet handle to remove the lower ball joint nut.
• If the nut is tight, use a breaker bar 1/2-inch drive for extra leverage.
• Install a new lower ball joint nut during reassembly.

Step 6: Separate the Ball Joint from the Steering Knuckle

• Install the ball joint separator tool between the lower control arm ball joint and the steering knuckle.
• Tighten the separator with the correct metric socket from the 10mm-24mm socket set until the joint pops loose.
• Do not strike the ball joint threads with a hammer.
• A sharp pop is normal.

Step 7: Remove the Front Lower Control Arm Bolts

• Spray penetrating oil on the front and rear control arm mounting bolts.
• Use the correct metric socket and wrench from the 10mm-24mm sets to remove the front control arm mounting bolt.
• Use the correct metric socket and wrench from the 10mm-24mm sets to remove the rear control arm mounting bolt.
• Support the control arm by hand as the last bolt comes out.

Step 8: Remove the Control Arm

• Use an 18-inch pry bar to carefully guide the control arm out of the subframe pockets.
• Use a 2-lb dead blow hammer only on the control arm body if it is stuck.
• Do not pry against the CV axle boot, brake hose, or ABS wheel speed sensor wire.

Step 9: Press Out the Old Bushings

• Use a paint marker to mark the orientation of each original bushing before removal.
• Set the control arm squarely in the hydraulic shop press using the bushing press adapter kit.
• Use the hydraulic shop press 12-ton minimum to press the old front bushing out of the control arm.
• Use the hydraulic shop press 12-ton minimum to press the old rear bushing out of the control arm.
• Keep the press force straight. Stop if the bushing tilts or binds.
• Press slowly and squarely.

Step 10: Press In the New Bushings

• Compare the new bushings with the old bushings before installation.
• Use rubber-safe lubricant lightly on the outer bushing shell only if needed.
• Align each new bushing to match the orientation marks from the original bushings.
• Use the hydraulic shop press and bushing press adapter kit to press in the new front bushing until fully seated.
• Use the hydraulic shop press and bushing press adapter kit to press in the new rear bushing until fully seated.
• Do not press on the rubber center. Press only on the outer metal sleeve.

Step 11: Reinstall the Control Arm

• Position the control arm back into the subframe pockets by hand.
• Use an 18-inch pry bar only as needed to line up the bolt holes.
• Install the front and rear control arm mounting bolts by hand.
• Do not fully tighten the bushing bolts yet.

Step 12: Reconnect the Lower Ball Joint

• Guide the lower ball joint stud into the steering knuckle by hand.
• Install the new lower ball joint nut by hand.
• Use the correct metric socket from the 10mm-24mm socket set and torque wrench to tighten the lower ball joint nut to Torque to 78-98 Nm (58-72 ft-lbs).
• If a cotter pin is used, install a new cotter pin with needle-nose pliers.

Step 13: Load the Suspension to Ride Height

• Use a floor jack rated 3-ton minimum under the outer control arm area to gently raise the suspension.
• Raise it until the control arm sits close to normal driving position.
• Do not lift the vehicle off the jack stand.
• This step prevents twisting the new rubber bushings.

Step 14: Final-Tighten the Control Arm Bolts

• Use the correct metric socket and wrench from the 10mm-24mm sets with a 1/2-inch drive torque wrench.
• Tighten the front control arm mounting bolt to Torque to 137-157 Nm (101-116 ft-lbs).
• Tighten the rear control arm mounting bolt to Torque to 137-157 Nm (101-116 ft-lbs).
• Lower the floor jack from the control arm slowly.

Step 15: Reinstall the Front Wheel

• Place the wheel back on the hub by hand.
• Install the lug nuts by hand to avoid cross-threading.
• Use a 21mm lug nut socket and ratchet handle to snug the lug nuts in a star pattern.

Step 16: Lower the Vehicle and Torque the Lug Nuts

• Use the floor jack rated 3-ton minimum to raise the vehicle slightly off the jack stands.
• Remove the jack stands.
• Lower your Tucson to the ground.
• Use a 21mm lug nut socket and 1/2-inch drive torque wrench to tighten lug nuts in a star pattern to Torque to 88-108 Nm (65-80 ft-lbs).

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✅ After Repair

• ✅ Bounce the front corner of your Tucson gently and listen for clunks.
• ✅ Check that the steering wheel turns smoothly lock-to-lock.
• ✅ Take a slow test drive on a quiet road first.
• ✅ Listen for knocking, popping, or rubbing noises.
• ✅ Schedule a front wheel alignment immediately after this repair.
• ✅ Recheck the lug nut torque after 25-50 miles.

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💰 DIY vs Shop Cost

Shop Cost: $450-$850 per side (parts + labor)

DIY Cost: $60-$180 per side for bushings, or $160-$350 per side for complete control arm assemblies

You Save: $290-$500 per side by doing it yourself!

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

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🎯 Ready to get started?

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