🔧 Front Brake Pads & Rotor Replacement

On your Sierra, the front pads and rotors are a straightforward brake job, but the caliper bracket bolts are tight and the rotor can seize to the hub from rust. Replacing both pads and rotors together gives the best pedal feel and braking performance.

Difficulty Level: Intermediate | Estimated Time: 2-4 hours

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⚠️ Safety & Precautions

• Work on a flat surface and chock the rear wheels before lifting the front.
• Use jack stands. Do not rely on a floor jack alone.
• Brake parts can be hot. Let everything cool before starting.
• Do not press the brake pedal with a caliper removed.
• Support the caliper with wire or a hook so the brake hose is not stretched.
• Clean brake dust with brake cleaner. Do not use compressed air.
• No battery disconnect is required for this front brake job.

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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 vehicle weight)
• Wheel chocks
• 21mm socket
• 18mm socket
• 15mm socket
• Ratchet
• Breaker bar
• Torque wrench
• Flat-blade screwdriver
• Brake caliper hanger or mechanics wire
• C-clamp
• Brake cleaner
• Wire brush
• Shop towels
• 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
• Front brake rotors - Replace in pairs - Qty: 2
• Brake hardware kit - Qty: 1
• Brake lubricant - Qty: 1
• Brake cleaner - Qty: 2 cans

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Put the transmission in Park.
• Break the front lug nuts loose before lifting the truck.
• Raise the front and support it securely on jack stands.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the wheel

• Use a 21mm socket and breaker bar to loosen and remove the front wheel lug nuts.
• Take off the wheel and set it aside.
• Keep the lug nuts in a clean spot.

Step 2: Remove the caliper

• Use a 15mm socket to remove the caliper guide pin bolts.
• Lift the caliper off the bracket and hang it with a brake caliper hanger or mechanics wire.
• Tighten to 38 Nm (28 ft-lbs) when reinstalling.

Step 3: Remove the brake pads

• Slide the old pads out of the caliper bracket.
• Remove any pad clips or hardware from the bracket.
• Clean the bracket contact points with a wire brush and brake cleaner.

Step 4: Remove the caliper bracket

• Use an 18mm socket and breaker bar to remove the caliper bracket bolts.
• Remove the bracket from the steering knuckle.
• Tighten to 200 Nm (148 ft-lbs) when reinstalling.

Step 5: Remove the rotor

• Pull the rotor straight off the hub.
• If it is stuck, tap the rotor hat with a hammer or use the rotor’s threaded removal holes if equipped.
• Clean the hub face with a wire brush until smooth and rust-free.
• Clean hub = less brake shake.

Step 6: Install the new rotor

• Spray the new rotor with brake cleaner and wipe it dry.
• Install the rotor onto the hub.
• If the rotor retaining screw is present, install it and snug it to about 4-7 Nm (35-62 in-lbs).

Step 7: Reinstall the caliper bracket

• Set the bracket back on the knuckle.
• Use the 18mm socket and torque wrench to tighten the bolts.
• Tighten to 200 Nm (148 ft-lbs).

Step 8: Install new pads and hardware

• Install the new pad clips from the brake hardware kit.
• Apply a thin layer of brake lubricant to the pad ears and contact points.
• Do not get lubricant on the pad friction material or rotor surface.
• Slide the new pads into place.

Step 9: Compress the caliper piston

• Use a C-clamp to slowly push the caliper piston back into the bore.
• Watch the brake fluid reservoir while compressing the piston.
• If the reservoir is full, remove a small amount of fluid before continuing.
• Push the piston slowly and evenly.

Step 10: Reinstall the caliper

• Set the caliper over the new pads.
• Use the 15mm socket to reinstall the guide pin bolts.
• Tighten to 38 Nm (28 ft-lbs).

Step 11: Reinstall the wheel

• Put the wheel back on and hand-thread the lug nuts.
• Lower the truck until the tire just touches the ground.
• Use the 21mm socket and torque wrench to tighten the lug nuts in a star pattern.
• Tighten to 190 Nm (140 ft-lbs).

Step 12: Repeat on the other side

• Repeat the same procedure on the opposite front wheel.
• Replace front brake parts in pairs.

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✅ After Repair

• Before moving the truck, pump the brake pedal until it feels firm.
• Check brake fluid level and top off if needed.
• Verify the wheels spin freely and there are no brake hose twists.
• Test the brakes at low speed first.
• Bed in the new pads and rotors with several moderate stops, then let the brakes cool.
• Watch for brake warning lights or pulling to one side.

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💰 DIY vs Shop Cost

Shop Cost: $450-$850 (parts + labor)

DIY Cost: $180-$350 (parts only)

You Save: $270-$500 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2-4 hours.

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🎯 Ready to get started?

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