🔧 Malibu - Rear Brake Pad Replacement

Replacing the rear brake pads restores safe stopping power and prevents rotor damage from worn pads. On your Malibu, the rear caliper piston compresses straight in (no twisting), but you must support the caliper and torque the bolts correctly.

Difficulty Level: Intermediate | Estimated Time: 1.5-3.0 hours

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⚠️ Safety & Precautions

• 🧯 Work on level ground and use jack stands—never rely on a jack alone.
• 🧱 Chock the front wheels with wheel chocks so the car can’t roll.
• 🧤 Wear gloves and safety glasses; brake dust and cleaner are irritating.
• 🔥 Brakes get hot—let the rear brakes cool fully before starting.
• 🛑 Do not press the brake pedal while the caliper is off the rotor.
• ⚠️ Parking brake: make sure it’s released before compressing the rear caliper piston.

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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
• 19mm socket
• Breaker bar
• Ratchet
• 13mm socket
• 18mm socket
• Torque wrench (20–200 N·m range)
• C-clamp (6-inch)
• Brake caliper piston compressor (specialty)
• Flathead screwdriver
• Bungee cord
• Wire brush
• Brake cleaner
• Shop towels
• Nitrile 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 pad hardware kit (clips) - Qty: 1
• Brake caliper grease (silicone) - Qty: 1

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📋 Before You Begin

• Park on level ground, shift to P, and release the parking brake.
• Pop the hood and check the brake fluid level in the reservoir. If it’s very full, be ready to remove a little fluid as you compress the pistons (use shop towels to protect paint).
• Loosen the rear wheel lug nuts slightly using a 19mm socket and breaker bar before lifting the car.
• “Caliper” is the clamp that squeezes the pads. You’ll remove it and hang it up so the hose isn’t stressed.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Lift and secure the rear

• Chock the front wheels using wheel chocks.
• Lift the rear using a floor jack at the proper rear jacking point, then support with jack stands.
• Remove the rear wheels using a 19mm socket and ratchet.

Step 2: Locate the rear caliper and remove the guide pin bolts

• Turn the steering wheel is not needed—rear work stays straight.
• On the back side of the caliper, remove the two caliper guide pin bolts using a 13mm socket and ratchet.
• If the guide pin wants to spin, hold it carefully and keep the bolt turning with the 13mm socket.

Step 3: Remove and support the caliper

• Lift the caliper off the bracket. Use a flathead screwdriver gently if it’s tight.
• Hang the caliper from the suspension spring using a bungee cord.
• Never let the caliper hang by the hose.

Step 4: Remove the old pads and hardware clips

• Slide the old inner and outer pads out of the bracket by hand.
• Remove the stainless hardware clips from the bracket using a flathead screwdriver.
• Clean the pad “shelves” (where clips sit) using a wire brush and brake cleaner, then wipe with shop towels.

Step 5: Check rotor condition (quick inspection)

• Look at the rotor face. If it has deep grooves, heavy rust ridges, or cracks, plan to replace the rotors soon.
• Make sure the rotor isn’t loose or wobbling abnormally.

Step 6: Compress the rear caliper piston

• Remove the caliper from the bungee just enough to work, keeping the hose relaxed.
• Place the old inner pad against the piston face, then compress the piston slowly using a C-clamp (6-inch) or brake caliper piston compressor (specialty).
• Compress until the piston is fully seated so the caliper will fit over the thicker new pads.
• Watch the brake fluid reservoir while compressing; stop if it’s about to overflow and remove a little fluid if needed.

Step 7: Install new hardware clips and grease contact points

• Install the new hardware clips into the bracket by hand (they should snap into place).
• Apply a thin film of brake caliper grease (silicone) to the pad-to-clip contact points and pad backing plate contact points.
• Keep grease off rotor and pad friction.

Step 8: Install the new rear brake pads

• Slide the new pads into the clips in the bracket by hand. They should move freely with light finger pressure.
• If pads are tight, re-check bracket cleaning and clip seating (don’t force them).

Step 9: Reinstall the caliper and torque bolts

• Set the caliper back over the new pads.
• Install and tighten the caliper guide pin bolts using a 13mm socket and torque wrench.
• Torque to 38 N·m (28 ft-lbs)

Step 10: If you removed the caliper bracket (only if needed)

• If you chose to remove the bracket for cleaning or rotor service, install the bracket bolts using an 18mm socket and torque wrench.
• Torque to 155 N·m (114 ft-lbs)

Step 11: Reinstall wheels and torque lug nuts

• Reinstall the wheels and hand-thread the lug nuts.
• Lower the car to the ground using the floor jack.
• Tighten lug nuts in a star pattern using a 19mm socket and torque wrench.
• Torque to 140 N·m (103 ft-lbs)

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✅ After Repair

• With the car on the ground, pump the brake pedal slowly 8–12 times until it feels firm.
• Check brake fluid level and top off only if needed (use the correct DOT brake fluid shown on the reservoir cap).
• Do a careful test drive: confirm normal braking and no pulling or grinding noises.
• Bed-in (break-in) new pads: make 6–10 moderate stops from ~30 mph down to ~5 mph, letting brakes cool a bit between stops.
• Recheck for leaks, and make sure both rear wheels spin freely when lifted (no heavy drag).

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💰 DIY vs Shop Cost

Shop Cost: $250-$450 (parts + labor)

DIY Cost: $40-$120 (parts only)

You Save: $130-$410 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1.0-1.5 hours.

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🎯 Ready to get started?

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