🔧 Tucson - Rear Brake Pads & Rotor Replacement

On your Tucson, replacing the rear brake pads and rotors means removing the rear wheel, caliper, and caliper bracket, swapping the rotor, then installing new pads (with hardware) and compressing the rear caliper piston correctly. Rear pistons on this Tucson typically must be turned while being pushed in because the parking brake mechanism is built into the caliper.

Difficulty Level: Intermediate | Estimated Time: 2.0-3.5 hours

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⚠️ Safety & Precautions

• 🛑 Support the Tucson on jack stands—never rely on a jack.
• 🛑 Do not press the brake pedal with the caliper removed (the piston can pop out).
• 🛑 Brake dust is harmful—use brake cleaner, not compressed air.
• 🛑 Brake parts get hot—work on a cool brake system.
• 🛑 If brake fluid rises in the reservoir when compressing pistons, remove some with a fluid syringe (don’t let it overflow).

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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
• Lug wrench or 21mm socket
• 3/8" drive ratchet
• 1/2" drive breaker bar
• 14mm socket
• 17mm socket
• Torque wrench (20–200 ft-lbs range)
• Flathead screwdriver
• Bungee cord or mechanic’s wire
• Brake piston wind-back tool kit (specialty)
• Wire brush
• Rubber mallet
• Brake parts cleaner spray
• Disposable gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear brake pad set - Qty: 1
• Rear brake rotors - Qty: 2
• Rear brake hardware kit (abutment clips) - Qty: 1
• Silicone brake grease - Qty: 1
• Brake cleaner - Qty: 2

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📋 Before You Begin

• Park on level ground, steering straight, and chock the front wheels with wheel chocks.
• Release the parking brake fully (rear calipers won’t retract correctly if it’s applied).
• Pop the hood and check the brake fluid reservoir level so you can watch it while compressing pistons.
• If your Tucson has a strong drag even with the parking brake released, stop and tell me—your parking brake may be sticking and can affect the job.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Loosen lug nuts and raise the rear

• Use a lug wrench or 21mm socket to loosen the rear wheel lug nuts about 1 turn while the wheel is still on the ground.
• Lift the rear with a floor jack (rated 3-ton minimum) and set the Tucson onto jack stands (rated 3-ton minimum).
• Remove the lug nuts with the 21mm socket and remove the wheel.

Step 2: Remove the rear caliper (do not let it hang)

• Turn the steering wheel is not needed for the rear—just ensure you have working room.
• Use a 14mm socket to remove the two caliper slide pin bolts.
• Lift the caliper off the bracket. Hang it from the suspension using a bungee cord or mechanic’s wire.
• Never hang a caliper by the hose.

Step 3: Remove pads and caliper bracket

• Pull the old pads out of the bracket by hand (use a flathead screwdriver gently if stuck).
• Use a 17mm socket and breaker bar to remove the two caliper bracket bolts.
• Remove the caliper bracket.
• When reinstalling later: bracket bolts Torque to 75 Nm (55 ft-lbs).

Step 4: Remove the rotor

• If the rotor is stuck, spray the hub/rotor center area with brake parts cleaner spray and let it soak.
• Tap the rotor “hat” area with a rubber mallet to break it loose, then remove the rotor.
• Clean rust from the hub face using a wire brush so the new rotor sits flat.

Step 5: Install the new rotor

• Clean both sides of the new rotor with brake parts cleaner spray to remove packing oil.
• Place the new rotor onto the hub.
• If the rotor won’t slide on easily, the parking brake may not be fully released—double-check before forcing it.

Step 6: Service the bracket hardware and slide pins

• Remove the old abutment clips from the bracket by hand or with a flathead screwdriver.
• Clean the bracket pad contact areas with a wire brush.
• Install the new abutment clips from the rear brake hardware kit.
• Pull the slide pins out (one at a time), wipe them clean, then apply a thin coat of silicone brake grease and reinstall.
• Brake grease goes on metal contact points only.

Step 7: Reinstall the caliper bracket and install new pads

• Reinstall the bracket over the rotor and start the bolts by hand.
• Tighten using a 17mm socket and then torque wrench: Torque to 75 Nm (55 ft-lbs).
• Install the new pads into the bracket (inner/outer as matched). If your pad set includes a wear indicator, match it to the same side position as the old set.
• Apply a thin film of silicone brake grease to pad ears where they touch the abutment clips (do not get grease on the pad friction material).

Step 8: Wind back the rear caliper piston (important)

• Rear pistons typically must be turned while being pushed in. Use a brake piston wind-back tool kit (specialty) (this tool presses and rotates the piston together).
• Watch the brake fluid reservoir while you compress the piston. If it rises near “MAX,” remove some fluid before continuing.
• Wind the piston in until the caliper fits over the new, thicker pads.

Step 9: Reinstall the caliper

• Place the caliper over the new pads and onto the bracket.
• Install the slide pin bolts using a 14mm socket.
• Tighten with a torque wrench: Torque to 23 Nm (17 ft-lbs).
• Double-check the brake hose is not twisted and that the caliper moves freely on the slide pins.

Step 10: Reinstall wheels and torque lug nuts

• Reinstall the wheel and hand-thread the lug nuts.
• Lower the Tucson off the jack stands using the floor jack.
• Tighten lug nuts in a star pattern with a torque wrench: Torque to 118 Nm (87 ft-lbs).

Step 11: Repeat on the other side

• Repeat Steps 1–10 on the other rear wheel. Use the same 14mm socket and 17mm socket sizes and the same torque specs.
• Always replace pads/rotors in pairs.

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✅ After Repair

• With the engine OFF, pump the brake pedal 10–15 times until it feels firm (this seats the pistons against the pads).
• Check brake fluid level and top off only if needed.
• Test the parking brake operation (apply/release) and confirm the rear wheels rotate freely when released.
• Do a careful road test: start with slow stops, listen for grinding, and confirm the Tucson stops straight.
• Pad bedding (recommended): make 6–10 moderate stops from ~30–35 mph to ~5 mph, letting brakes cool a bit between stops.

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💰 DIY vs Shop Cost

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

DIY Cost: $160-$350 (parts only)

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

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2.0-3.0 hours.

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🎯 Ready to get started?

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