🔧 Front Brake Pads - Pad Replacement

The front brake pads on your Sierra wear over time and should be replaced before they get thin enough to damage the rotors. This job also gives you a chance to inspect the calipers, slides, and rotor condition while everything is apart.

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

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⚠️ Safety & Precautions

• Work on level ground and chock the rear wheels before lifting the front.
• Support the truck with jack stands; never rely on the floor jack alone.
• Do not let the caliper hang by the brake hose.
• Use brake cleaner only in a well-ventilated area.
• If your Sierra has an electronic parking brake, make sure it is fully released before starting.

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🔧 Required Tools

You'll need the following tools for this repair:

• Floor jack (rated 3-ton minimum)
• Jack stands (rated for truck weight)
• Wheel chocks
• 21mm lug wrench or socket
• 15mm socket
• 18mm socket
• Ratchet
• Breaker bar
• Torque wrench
• C-clamp or brake caliper compression tool (specialty)
• Flat-blade screwdriver
• Wire brush
• Brake cleaner
• Safety glasses
• Mechanic gloves

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

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

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📋 Before You Begin

• Park on a flat surface and set the parking brake.
• Place wheel chocks behind the rear tires.
• Loosen the front lug nuts before lifting the truck.
• Keep the transmission in Park.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Loosen the front wheels

• Use a 21mm lug wrench or socket to loosen the front lug nuts 1/4 turn while the truck is still on the ground.
• Do not remove them yet.

Step 2: Lift and support the front end

• Use a floor jack to lift the front of the truck at the proper frame lift points.
• Place jack stands under the frame and lower the truck onto them.
• Remove the front wheels.

Step 3: Remove the caliper

• Use a 15mm socket and ratchet to remove the caliper slide bolts.
• Lift the caliper off the bracket and hang it with a sturdy hook or rest it securely so the brake hose is not stretched.
• Do not let the hose carry the weight.

Step 4: Remove the old brake pads

• Slide the old brake pads out of the bracket.
• If they stick, use a flat-blade screwdriver gently to work them free.
• Remove the pad clips if the new pad kit includes replacements.

Step 5: Inspect and clean the bracket

• Use a wire brush to clean rust and debris from the pad contact points.
• Spray the bracket and rotor area with brake cleaner.
• Check the rotor for grooves, cracks, or heavy rust.

Step 6: Retract 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 so it does not overflow.
• Compress the piston slowly.

Step 7: Install the new brake pads

• Apply a thin layer of brake grease to the pad contact points and any metal-to-metal slide areas only.
• Install the new inner and outer pads into the bracket.
• Make sure the pads sit fully in the clips.

Step 8: Reinstall the caliper

• Place the caliper back over the new pads.
• Use a 15mm socket to install and tighten the caliper slide bolts.
• Torque to 31 Nm (23 ft-lbs).

Step 9: Reinstall the wheel

• Put the wheel back on and hand-tighten the lug nuts.
• Lower the truck enough for the tire to touch the ground, then use a 21mm lug wrench or socket to snug the lug nuts in a star pattern.
• Torque to 190 Nm (140 ft-lbs).

Step 10: Repeat on the other side

• Replace the pads on the opposite front wheel using the same steps.

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✅ After Repair

• Press the brake pedal several times before driving to seat the pads against the rotors.
• Check the brake fluid level and top off if needed.
• Test drive at low speed first and make sure the pedal feels firm.
• For the first 200 miles, avoid hard stops unless needed for safety.

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💰 DIY vs Shop Cost

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

DIY Cost: $60-$140 (parts only)

You Save: $190-$310 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.