🔧 Wrangler - Rear Brake Pad Replacement

You’ll remove the rear wheels, swing the rear brake calipers up, swap the old pads for new ones, then reassemble and torque everything correctly. Rear pads wear out from normal braking, and replacing them restores safe stopping power and prevents rotor damage.

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

Assumption: factory rear disc brakes (no aftermarket kit).

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⚠️ Safety & Precautions

• ⚠️ Work on level ground and support the Wrangler with jack stands; never rely on a jack.
• ⚠️ Do not press the brake pedal with a caliper removed.
• ⚠️ Brake dust is unhealthy—use brake cleaner, not compressed air.
• ⚠️ Keep grease off pad friction material and rotor faces.
• ⚠️ Parking brake: fully release it before starting (Wrangler uses a cable-operated parking brake).

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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 socket
• 1/2" drive breaker bar
• 1/2" drive torque wrench (30-250 ft-lbs)
• 13mm socket
• 18mm socket
• 3/8" drive ratchet
• 3/8" drive torque wrench (10-80 ft-lbs)
• C-clamp (6")
• Flat-blade screwdriver
• Wire brush
• Bungee cord
• 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
• Rear brake pad hardware kit (clips) - Qty: 1
• Brake caliper grease (silicone-based) - Qty: 1
• Brake fluid (DOT 3) - Qty: 1 bottle

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📋 Before You Begin

• Park on level ground, transmission in 1st gear, and set the parking brake to keep it from rolling while you crack lug nuts loose.
• Chock the front wheels using wheel chocks.
• Loosen (do not remove) the rear lug nuts with a 21mm socket and breaker bar.
• Open the hood and check the brake fluid level; as you compress pistons the level rises. If it’s near “MAX,” remove a little fluid carefully to prevent overflow.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Lift and secure the rear

• Lift the rear axle with a floor jack (rated 3-ton minimum).
• Place jack stands (rated 3-ton minimum) under the axle tubes and lower the Wrangler onto them.
• Remove the rear wheels using a 21mm socket.

Step 2: Locate the caliper and hardware

• Find the rear brake caliper (it straddles the rotor) and the two caliper slide-pin bolts on the back side.
• Use brake cleaner spray to wash off dirt so you can see the bolts clearly.

Step 3: Remove the caliper slide-pin bolts

• Use a 13mm socket with a 3/8" drive ratchet to remove the two caliper slide-pin bolts.
• Carefully lift the caliper off the pads/rotor.
• Hang the caliper from the suspension with a bungee cord (this prevents hose damage).

Step 4: Remove old pads and hardware clips

• Pull the inner and outer pads out by hand. If they’re stuck, gently pry with a flat-blade screwdriver.
• Remove the stainless hardware clips from the caliper bracket using the flat-blade screwdriver.
• Clean the bracket “pad lands” (where clips sit) using a wire brush and brake cleaner spray.

Step 5: Compress the caliper piston

• Place an old pad against the piston face (to spread force evenly).
• Use a C-clamp (6") to slowly push the piston fully back into the caliper.
• Go slow to avoid fluid overflow.

Step 6: Service and grease the slide pins

• Pull each slide pin out of the bracket by hand (they slide in rubber boots).
• Wipe them clean and apply a thin coat of brake caliper grease (silicone-based).
• Reinstall the pins and make sure they move smoothly (this prevents uneven pad wear).

Step 7: Install new hardware clips and pads

• Install new hardware clips from the rear brake pad hardware kit (clips) into the bracket by hand.
• Apply a very thin film of brake caliper grease (silicone-based) to the clip contact points (where pad ears slide).
• Install the new pads into the bracket. They should slide freely with light hand pressure.

Step 8: Reinstall the caliper

• Lower the caliper over the new pads and align the slide-pin bolt holes.
• Install the slide-pin bolts by hand first (prevents cross-threading).
• Tighten using a 13mm socket and 3/8" drive torque wrench: Torque to 35 Nm (26 ft-lbs).

Step 9: Reinstall wheels and torque lug nuts

• Reinstall the wheels and hand-thread lug nuts using a 21mm socket.
• Lower the Wrangler to the ground using the floor jack (rated 3-ton minimum).
• Torque lug nuts in a star pattern with a 1/2" drive torque wrench (30-250 ft-lbs): Torque to 176 Nm (130 ft-lbs).

Step 10: Restore pedal feel

• Before driving, pump the brake pedal 8-12 times until it feels firm.
• Check brake fluid level and top off with brake fluid (DOT 3) if needed.

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✅ After Repair

• With the engine running, hold firm brake pressure for 10 seconds and confirm the pedal stays solid.
• Do a slow test drive and confirm no pulling, grinding, or warning lights.
• Bed-in the pads: make 6-10 medium stops from ~30 mph down to ~5 mph, letting brakes cool 30-60 seconds between stops.
• Recheck lug nut torque after 25-50 miles using a 1/2" drive torque wrench (30-250 ft-lbs): Torque to 176 Nm (130 ft-lbs).

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💰 DIY vs Shop Cost

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

DIY Cost: $60-$160 (parts only)

You Save: $190-$290 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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