🔧 Wrangler - Rear Brake Pads & Rotors Replacement

This repair replaces the rear brake pads and brake rotors on your Wrangler. Worn pads or grooved rotors can cause squealing, vibration, longer stopping distance, or grinding noises.

Difficulty Level: Beginner to Intermediate | Estimated Time: 2-3 hours

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⚠️ Safety & Precautions

• ⚠️ Work on a flat, solid surface and keep the front wheels blocked so your Wrangler cannot roll.
• ⚠️ Use jack stands. Never work under or around a vehicle supported only by a jack.
• ⚠️ Brake dust can be harmful. Do not blow it with compressed air; use brake cleaner and a drain pan.
• ⚠️ The rear parking brake shoes sit inside the rear rotor “hat.” If the rotor will not come off, the parking brake may be holding it.
• ⚠️ Do not press the brake pedal while the rear caliper is removed.
• ⚠️ Battery disconnect is not required for this brake job.

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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 lug nut socket
• 1/2-inch drive breaker bar
• 1/2-inch drive torque wrench
• 13mm socket
• 18mm socket
• 3/8-inch drive ratchet
• 1/2-inch drive ratchet
• 6-inch socket extension
• Flat-blade screwdriver
• Needle-nose pliers
• Disc brake pad spreader tool (specialty)
• Wire brush
• Rubber mallet
• Bungee cord
• Brake cleaner spray
• Drain pan
• Brake grease
• Safety glasses
• Nitrile gloves

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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 - Qty: 1
• Brake cleaner spray - Qty: 1-2 cans
• Brake grease - Qty: 1 small tube

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📋 Before You Begin

• Park your Wrangler on level ground.
• Put the manual transmission in 1st gear.
• Release the parking brake before removing the rear rotors.
• Place wheel chocks in front of and behind the front tires.
• Loosen the rear lug nuts slightly before lifting the vehicle.
• A caliper is the clamp that squeezes the brake pads against the rotor.
• A rotor is the round metal disc behind the wheel.
• A caliper bracket is the heavy metal bracket that holds the pads in place.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Loosen the Rear Lug Nuts

• Use a 19mm lug nut socket and 1/2-inch drive breaker bar to loosen each rear wheel lug nut about 1/2 turn.
• Do not remove the lug nuts yet.
• Tip: Loosen before lifting.

Step 2: Lift and Support the Rear of the Wrangler

• Use a floor jack under the rear axle tube or rear differential area to lift the rear of your Wrangler.
• Place jack stands under the rear axle tubes, one on each side.
• Lower the vehicle gently onto the jack stands.
• Use the floor jack to lightly support the axle as a backup.

Step 3: Remove the Rear Wheels

• Use the 19mm lug nut socket and 1/2-inch drive ratchet to remove the loosened lug nuts.
• Remove both rear wheels and set them flat on the ground.

Step 4: Remove the Rear Brake Caliper

• Use a 13mm socket and 3/8-inch drive ratchet to remove the two rear caliper slide pin bolts.
• Lift the caliper off the brake pads.
• Use a bungee cord to hang the caliper from the suspension.
• Do not let the caliper hang by the rubber brake hose.
• Tip: Protect the brake hose.

Step 5: Remove the Old Brake Pads

• Use your hands or a flat-blade screwdriver to slide the old brake pads out of the caliper bracket.
• Note the position of any pad wear indicator before removal.
• Use needle-nose pliers if the old pad clips are stuck.

Step 6: Remove the Caliper Bracket

• Use an 18mm socket, 6-inch socket extension, and 1/2-inch drive breaker bar to remove the two caliper bracket bolts.
• Remove the caliper bracket from the axle flange.
• Set the bolts aside where they stay clean.

Step 7: Remove the Rear Rotor

• Make sure the parking brake is fully released.
• Pull the rotor straight off by hand.
• If the rotor is stuck, use a rubber mallet to tap around the rotor hat, which is the raised center section of the rotor.
• If the rotor still will not move, the parking brake shoes may be catching inside the rotor.
• Use a flat-blade screwdriver through the access opening to back off the parking brake adjuster slightly.
• Tip: Tap evenly, not wildly.

Step 8: Clean the Mounting Surfaces

• Use a wire brush to clean rust from the axle hub face where the rotor sits.
• Use brake cleaner spray and a drain pan to wash brake dust from the area.
• Clean the caliper bracket pad contact points with the wire brush.

Step 9: Install the New Rotor

• Use brake cleaner spray to clean both sides of the new rotor.
• Slide the new rotor onto the wheel studs by hand.
• If the rotor will not fully seat, check that the parking brake shoes are not expanded too far.
• Hold the rotor in place with one lug nut tightened lightly by hand.

Step 10: Install New Pad Hardware

• Use your hands or needle-nose pliers to remove the old pad clips from the caliper bracket.
• Install the new clips from the rear brake hardware kit into the same positions.
• Apply a thin layer of brake grease to the pad clip contact areas only.
• Do not get grease on the rotor face or pad friction material.

Step 11: Reinstall the Caliper Bracket

• Position the caliper bracket over the new rotor.
• Start the bracket bolts by hand to avoid cross-threading.
• Use an 18mm socket, 6-inch socket extension, and 1/2-inch drive torque wrench to tighten the caliper bracket bolts.
• Torque to 100 Nm (74 ft-lbs)

Step 12: Install the New Brake Pads

• Slide the new rear brake pads into the bracket by hand.
• Make sure the pad ears sit fully in the new clips.
• The pads should move slightly by hand, but should not rattle loosely.

Step 13: Compress the Caliper Piston

• Use a disc brake pad spreader tool to slowly push the caliper piston back into the caliper.
• A piston is the round part inside the caliper that pushes the brake pad.
• Go slowly so brake fluid can return to the master cylinder without overflowing.
• If fluid nears the top of the reservoir, remove a small amount with a clean suction tool before continuing.

Step 14: Reinstall the Rear Caliper

• Place the caliper over the new pads and rotor.
• Start both slide pin bolts by hand.
• Use a 13mm socket and 3/8-inch drive torque wrench to tighten the caliper slide pin bolts.
• Torque to 35 Nm (26 ft-lbs)

Step 15: Repeat on the Other Side

• Repeat Steps 4 through 14 on the opposite rear wheel.
• Always replace rear brake pads and rotors in pairs.

Step 16: Reinstall the Rear Wheels

• Remove the temporary hand-tight lug nut from each rotor.
• Install each rear wheel by hand.
• Use the 19mm lug nut socket and 1/2-inch drive ratchet to snug the lug nuts in a star pattern.

Step 17: Lower the Vehicle and Torque the Wheels

• Use the floor jack to lift the rear axle slightly off the jack stands.
• Remove the jack stands.
• Lower your Wrangler until the tires touch the ground.
• Use the 19mm lug nut socket and 1/2-inch drive torque wrench to tighten the lug nuts in a star pattern.
• Torque to 130 Nm (95 ft-lbs)

Step 18: Pump the Brake Pedal

• Before driving, press the brake pedal slowly several times until it feels firm.
• This moves the caliper pistons back out against the new pads.
• Do not skip this step, or your first brake pedal press may go very low.

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✅ After Repair

• ✅ Check the brake fluid level under the hood and top off only if needed with the correct brake fluid listed on the reservoir cap.
• ✅ Start your Wrangler and press the brake pedal again. It should feel firm and steady.
• ✅ Test at very low speed first in a safe area.
• ✅ Listen for scraping, grinding, or clicking noises.
• ✅ Recheck lug nut torque after the first short drive.
• ✅ Bed in the new pads: make 8-10 moderate stops from about 30-40 mph, allowing cooling time between stops.
• ✅ Avoid hard panic stops for the first 200 miles unless needed for safety.

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💰 DIY vs Shop Cost

Shop Cost: $350-$650 (parts + labor)

DIY Cost: $120-$280 (parts only)

You Save: $230-$370 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1.5-2.0 hours.

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🎯 Ready to get started?

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