🔧 Wrangler - Rear Brake Pad Replacement

You’ll remove the rear wheels, swing the rear brake caliper out of the way, swap the old pads for new ones, then compress the caliper piston so everything fits back together. This restores proper stopping power and prevents metal-to-metal rotor damage when pads get thin.

Difficulty Level: Intermediate | Estimated Time: 1.5-3 hours

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⚠️ Safety & Precautions

• 🛑 Work on level ground and support the axle with jack stands before going under the Wrangler.
• 🛑 Keep the transmission in gear and use wheel chocks; leave the parking brake released while servicing rear brakes.
• 🛑 Brake dust is hazardous—use brake cleaner, not compressed air.
• 🛑 Do not let the caliper hang by the brake hose; support it with a hook/strap.
• 🛑 Brake fluid can damage paint; wipe spills immediately.

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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
• 3/8" drive ratchet
• 1/2" drive breaker bar
• Torque wrench (20-150 ft-lbs range)
• 13mm socket
• Flat-blade screwdriver
• C-clamp (6" minimum)
• Brake caliper hanger hook
• Wire brush
• Brake cleaner spray
• 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
• Brake caliper grease (silicone brake lubricant) - Qty: 1
• Brake cleaner - Qty: 1

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📋 Before You Begin

• Park on a flat surface, put the transmission in 1st gear, and place wheel chocks at the front wheels.
• Make sure the parking brake is fully released (the rear parking brake is a drum-in-hat system inside the rotor).
• Crack the rear lug nuts loose 1/2 turn with a 19mm socket and breaker bar before lifting.
• Tip: Take a photo before disassembly.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Lift and support the rear

• Use a floor jack (rated 3-ton minimum) to lift the rear axle (center section).
• Place jack stands (rated 3-ton minimum) under the axle tubes and lower the Wrangler onto the stands.
• Confirm it’s stable before removing wheels.

Step 2: Remove the rear wheels

• Remove lug nuts with a 19mm socket and ratchet, then remove both rear wheels.

Step 3: Locate the caliper and pads

• Find the rear brake caliper (it clamps over the rotor) and the two caliper slide-pin bolts on the back side.
• Tip: Work one side at a time.

Step 4: Remove the caliper slide-pin bolts

• Use a 13mm socket and ratchet to remove the two caliper slide-pin bolts.
• Assumption: Slide-pin bolt heads are typically 13mm on your Wrangler; use the socket that fits snugly.

Step 5: Support the caliper

• Carefully lift the caliper off the rotor.
• Hang it from the suspension using a brake caliper hanger hook (this prevents damage to the brake hose).

Step 6: Remove old pads and hardware

• Slide the old inner and outer pads out of the caliper bracket by hand.
• If your new pads include new abutment clips (the stainless pad “rails”), pull the old ones off and replace them.
• Clean the bracket pad contact points with brake cleaner spray and a wire brush.

Step 7: Compress the caliper piston

• Remove the brake master cylinder cap under the hood (just loosen it; don’t lose it).
• Place one old brake pad against the piston face, then use a C-clamp (6" minimum) to slowly push the piston back in until it bottoms out.
• Go slowly—watch the brake fluid level so it doesn’t overflow.
• Tip: Slow pressure helps prevent seal damage.

Step 8: Lubricate pad contact points (not friction surfaces)

• Apply a thin film of brake caliper grease (silicone brake lubricant) to:
• The pad ears where they slide in the clips
• The caliper slide pins/contact points (only if you remove/inspect them)
• Do not get grease on the pad friction material or rotor.

Step 9: Install the new pads

• Install the new inner and outer pads into the bracket in the same orientation as removed.
• If one pad has a wear indicator, match it to the same position as the original setup.

Step 10: Reinstall the caliper

• Lower the caliper over the new pads and rotor.
• Install the slide-pin bolts by hand first to avoid cross-threading.
• Tighten using a 13mm socket and torque wrench: Torque to 35 Nm (26 ft-lbs).

Step 11: Repeat on the other rear side

• Repeat Steps 4–10 for the other rear wheel.

Step 12: Reinstall wheels and torque lug nuts

• Reinstall both wheels and hand-thread lug nuts.
• Lower the Wrangler to the ground using the floor jack (rated 3-ton minimum).
• Torque lug nuts in a star pattern with a torque wrench (20-150 ft-lbs range): Torque to 129 Nm (95 ft-lbs).

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✅ After Repair

• With the engine off, pump the brake pedal 10–15 times until it feels firm (this seats the pads against the rotors).
• Check brake fluid level and reinstall the master cylinder cap.
• Do a cautious test drive at low speed first; confirm normal braking and no pulling/noises.
• Pad bed-in (break-in): make 6–10 moderate stops from ~35 mph to 5 mph, with cooling time between stops.
• Tip: Avoid hard braking for first 200 miles.

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💰 DIY vs Shop Cost

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

DIY Cost: $45-$120 (parts only)

You Save: $130-$405 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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