🔧 Front Brake Pads - Replacement

Replacing the front brake pads on your Sierra means removing the caliper, swapping the pads, and reinstalling everything with the correct torque. Since the pads wear the fastest on the front axle, this is a common maintenance job and a good first DIY brake repair.

Difficulty Level: Intermediate | Estimated Time: 1.5-2.5 hours

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⚠️ Safety & Precautions

• Support the truck securely with jack stands; never rely on a jack alone.
• Let the brakes cool before starting. Hot rotors and calipers can burn you.
• Do not press the brake pedal with the caliper removed.
• Keep grease and brake fluid off the pads and rotor surfaces.
• Use brake cleaner only in a well-ventilated area.
• No battery disconnect is required for this repair.

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🔧 Required Tools

You'll need the following tools for this repair:

• Floor jack (rated 3-ton minimum)
• Jack stands
• Wheel chocks
• 21mm socket
• 19mm socket
• Torque wrench
• Ratchet
• Breaker bar
• C-clamp or brake caliper compression tool (specialty)
• Flat-blade screwdriver
• Bungee cord or mechanic's hook
• Wire brush
• Brake cleaner
• Safety glasses
• Nitrile gloves

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Front brake pad set - Qty: 1
• Brake hardware kit - Qty: 1
• Brake cleaner - Qty: 1 can

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Put the transmission in Park.
• Loosen the front lug nuts before lifting the truck.
• Work on one side at a time so you can use the other side as a reference.
• If the brake fluid reservoir is full, remove a small amount before compressing the caliper pistons.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Loosen the front wheels

• Use a 21mm socket and breaker bar to loosen the front lug nuts about one turn each.
• Do not remove them yet.

Step 2: Raise and support the truck

• Use a floor jack (rated 3-ton minimum) to lift the front of the truck.
• Place jack stands under the frame and lower the truck onto them.
• Shake the truck lightly to confirm it is stable.

Step 3: Remove the wheel

• Use the 21mm socket to remove the lug nuts.
• Remove the wheel and set it aside.

Step 4: Remove the caliper

• Use a 19mm socket to remove the caliper guide pin bolts.
• Slide the caliper off the rotor carefully.
• Hang the caliper with a bungee cord or mechanic's hook. Do not let it hang by the brake hose.

Step 5: Remove the old brake pads and hardware

• Lift the old pads out of the caliper bracket.
• Remove the pad clips and hardware from the bracket.
• Use a flat-blade screwdriver if the clips are stuck.

Step 6: Inspect and clean the bracket

• Use a wire brush to clean rust and debris from the pad contact points.
• Spray the area with brake cleaner and let it dry.
• Clean contact points help prevent brake squeal.

Step 7: Compress the caliper piston

• Use a C-clamp or brake caliper compression tool (specialty) to slowly push the piston back into the caliper.
• Watch the brake fluid reservoir while compressing the piston.
• Make sure the piston goes in straight and does not twist.

Step 8: Install the new hardware and pads

• Install the new pad clips from the brake hardware kit.
• Install the new front brake pads in the bracket.
• Apply a thin film of brake grease only on the pad ears and contact points if included with the hardware kit.

Step 9: Reinstall the caliper

• Slide the caliper back over the new pads and rotor.
• Use the 19mm socket to install the caliper guide pin bolts.
• Torque to 31 Nm (23 ft-lbs).

Step 10: Reinstall the wheel

• Install the wheel and hand-tighten the lug nuts.
• Lower the truck with the floor jack.
• Use a torque wrench and 21mm socket to tighten the lug nuts in a star pattern.
• Torque to 190 Nm (140 ft-lbs).

Step 11: Repeat on the other side

• Perform the same steps on the other front wheel.
• Replace pads in pairs so braking stays even.

Step 12: Pump the brake pedal

• Before moving the truck, pump the brake pedal several times until it feels firm.
• This seats the caliper pistons against the new pads.

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✅ After Repair

• Check the brake fluid level and top off if needed.
• Look for leaks around the calipers and brake hoses.
• Test the brakes at low speed first.
• Listen for rubbing or squealing that could mean a pad or clip is not seated correctly.
• For the first 200 miles, avoid hard stops unless needed.

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💰 DIY vs Shop Cost

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

DIY Cost: $90-$180 (parts only)

You Save: $210-$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.

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🎯 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.