🔧 Sierra 1500 - Rear Brake Pad Replacement

You’ll remove the rear wheels, unbolt the rear brake calipers, swap the old pads for new ones, then compress the caliper piston so everything fits back together. Doing it carefully prevents noise, uneven braking, and damaged brake parts.

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

---

⚠️ Safety & Precautions

• 🛑 Support your Sierra 1500 on jack stands; never rely on a jack.
• 🔥 Brakes can be very hot; let them cool before starting.
• 🧱 Chock the front wheels; you’ll be releasing the parking brake.
• 🚫 Do not press the brake pedal while a caliper is off the rotor.
• 🧴 Avoid breathing brake dust; use brake cleaner, not compressed air.
• 🔌 Battery disconnect is not required for this job.

---

🔧 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
• 22mm socket
• 1/2" breaker bar
• 1/2" torque wrench (50-200 ft-lbs range)
• 13mm socket
• 18mm wrench
• Ratchet (3/8" or 1/2")
• C-clamp (6" minimum)
• Bungee cord
• Wire brush
• Flat blade screwdriver
• Brake cleaner
• Nitrile gloves
• Safety glasses

---

🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear brake pad set - Qty: 1
• Rear brake pad hardware kit (abutment clips) - Qty: 1
• Silicone brake lubricant - Qty: 1
• Brake cleaner - Qty: 1
• Rear brake rotors - Qty: 2 Replace in pairs if needed

---

📋 Before You Begin

• 🅿️ Park on level ground, set the transmission to Park, and turn the engine off.
• 🧱 Place wheel chocks in front of both front tires.
• 🦶 Release the parking brake fully (your Sierra 1500 typically uses a foot-pedal parking brake).
• 🧴 Open the hood and locate the brake fluid reservoir; keep the cap on, but watch the fluid level during piston compression.

---

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Loosen the rear wheel lug nuts

• Use a 22mm socket with a breaker bar to loosen (do not remove) the lug nuts about 1 turn.

Step 2: Lift and support the rear of your Sierra 1500

• Lift the rear using a floor jack (rated 3-ton minimum) at a solid rear jacking point.
• Set the truck onto jack stands (rated 3-ton minimum) under the frame.
• Give the truck a gentle push to confirm it’s stable before working.

Step 3: Remove the rear wheels

• Remove the lug nuts using a 22mm socket and ratchet.
• Remove the wheels and set them aside.

Step 4: Locate the rear brake caliper and remove the slide pin bolts

• Find the rear caliper (it “clamps” the rotor) and the two caliper slide pin bolts on the back side.
• Use a 13mm socket to remove the upper and lower caliper slide pin bolts.
• If the slide pin spins, hold it with an 18mm wrench while turning the bolt.

Step 5: Remove and hang the caliper

• Lift the caliper off the pads/rotor.
• Hang the caliper from the suspension with a bungee cord so the brake hose is not stretched.
• Never let the caliper dangle by the hose.

Step 6: Remove the old pads and hardware clips

• Pull the inner and outer brake pads out of the caliper bracket by hand.
• Use a flat blade screwdriver to carefully pry off the stainless hardware clips (abutment clips) from the bracket.
• Use brake cleaner and a wire brush to clean the pad contact areas on the bracket where the clips sit.

Step 7: Compress the caliper piston

• Place an old brake pad against the piston face.
• Use a C-clamp (6" minimum) to slowly press the piston back into the caliper.
• Check the brake fluid reservoir while compressing; remove excess fluid if it nears the top.
• Go slow to avoid damaging the piston seal.

Step 8: Install new hardware clips and lubricate contact points

• Snap the new hardware clips into the caliper bracket by hand.
• Apply a thin film of silicone brake lubricant where the pads slide on the clips.
• Do not get lubricant on the pad friction material or rotor.

Step 9: Install the new rear brake pads

• Install the inner and outer pads into the bracket in the same orientation as removed.
• Make sure the pads move freely (they should slide, not bind).

Step 10: Reinstall the caliper and torque the caliper bolts

• Set the caliper back over the new pads/rotor.
• Reinstall the caliper slide pin bolts using a 13mm socket and ratchet.
• Finish tightening with a torque wrench: Torque to 35 Nm (26 ft-lbs).

Step 11: Reinstall the wheels and torque the lug nuts

• Reinstall the wheels and hand-thread the lug nuts.
• Lower the truck off the stands using the floor jack (rated 3-ton minimum).
• Torque lug nuts in a star pattern using a torque wrench: Torque to 190 Nm (140 ft-lbs).

Step 12: Seat the pads before driving

• With the engine off, press the brake pedal slowly 10–15 times until it feels firm.
• Confirm the brake fluid level is between MIN and MAX.

---

✅ After Repair

• 🧪 Test at low speed first: confirm the truck stops straight and quietly.
• 🔍 Recheck for any brake fluid seepage and confirm the caliper bolts are tight.
• 🛣️ Pad bed-in (recommended): make 6–10 smooth stops from ~30 mph to 5 mph, allowing 30–60 seconds between stops for cooling.
• 👂 If you hear grinding or a loud scrape, stop and recheck pad seating and hardware clips.

---

💰 DIY vs Shop Cost

Shop Cost: $300-$550 (parts + labor)

DIY Cost: $60-$180 (parts only)

You Save: $240-$370 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.

---

🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.