🔧 Front Brake Pads and Rotor Replacement - Replacement

Your front brake pads and rotors wear together, so replacing both at the same time gives you smooth braking and helps prevent noise and vibration. On your Sierra, this job is straightforward if you take your time and keep the brake parts clean.

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

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⚠️ Safety & Precautions

• Park on level ground and chock the rear wheels before lifting the front.
• Use jack stands; never rely on the floor jack alone.
• Do not press the brake pedal with a caliper removed.
• Keep brake cleaner away from painted surfaces and your eyes.
• If the brake fluid reservoir is full, remove a little fluid before pushing the caliper pistons back.
• 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 (rated 3-ton minimum)
• Wheel chocks
• Torque wrench
• 21mm socket
• 18mm socket
• 14mm socket
• Ratchet
• Breaker bar
• Brake caliper compression tool (specialty)
• Bungee cord or mechanic's wire
• Flat-blade screwdriver
• Rubber mallet
• 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
• Front brake rotors - Replace in pairs - Qty: 2
• Brake caliper bracket bolts - Qty: 4
• Brake pad hardware kit - Qty: 1
• Brake cleaner - Qty: 1

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📋 Before You Begin

• Park on a flat surface and set the parking brake.
• Put the transmission in Park.
• Loosen the front lug nuts slightly before lifting.
• Lift one front corner at a time and support the truck with jack stands.
• Keep the hub face clean for rotor fitment.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the front wheels

• Use a 21mm socket and breaker bar to loosen and remove the front lug nuts.
• Remove both front wheels and set them aside.

Step 2: Remove the brake caliper

• Use an 18mm socket to remove the caliper slide pin bolts.
• Lift the caliper off the bracket.
• Hang the caliper with a bungee cord or mechanic's wire; do not let it hang by the hose.

Step 3: Remove the brake pads

• Pull the inner and outer pads out of the bracket.
• Remove any pad clips or hardware from the bracket.
• Note pad wear pattern before installing new parts.

Step 4: Remove the caliper bracket

• Use a 21mm socket to remove the caliper bracket bolts.
• Remove the bracket from the steering knuckle.
• Torque on reassembly: 192 Nm (142 ft-lbs)

Step 5: Remove the rotor

• If the rotor is stuck, spray penetrating oil at the hub center.
• Use a rubber mallet to tap the rotor loose.
• Remove the rotor from the hub.
• If there are retaining screws, remove them with a flat-blade screwdriver.

Step 6: Clean the mounting surface

• Use a wire brush to clean the hub face.
• Spray the hub and bracket area with brake cleaner.
• Make sure no rust or debris is left behind.

Step 7: Install the new rotor

• Clean the new rotor with brake cleaner before installing it.
• Slide the rotor onto the hub.
• If the rotor uses a retaining screw, reinstall it snugly.

Step 8: Install the caliper bracket

• Put the bracket back in place.
• Use an 18mm socket and torque wrench to tighten the bracket bolts.
• Torque to 192 Nm (142 ft-lbs)

Step 9: Install new pads and hardware

• Install the new pad hardware clips in the bracket.
• Apply a light coat of brake grease to the pad contact points if included with the pad set.
• Install the new inner and outer pads.

Step 10: Compress and reinstall the caliper

• Use the brake caliper compression tool to push the piston back in fully.
• Slide the caliper over the new pads.
• Install the slide pin bolts with an 18mm socket.
• Torque to 32 Nm (24 ft-lbs)

Step 11: Reinstall the wheels

• Put the wheels back on and start the lug nuts by hand.
• Lower the truck until the tires just touch the ground.
• Use a 21mm socket and torque wrench to tighten the lug nuts in a star pattern.
• Torque to 190 Nm (140 ft-lbs)

Step 12: Pump the brake pedal

• Before moving the truck, pump the brake pedal several times until it feels firm.
• Check brake fluid level and top off if needed.

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✅ After Repair

• Test the brakes at low speed in a safe area first.
• Listen for rubbing, clicking, or grinding.
• Check for brake fluid leaks at each front caliper.
• Bed in the new pads by making several gentle stops from moderate speed.
• Brake feel should become smooth after a short break-in.

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💰 DIY vs Shop Cost

Shop Cost: ₹12,000-₹25,000 (parts + labor)

DIY Cost: ₹7,000-₹14,000 (parts only)

You Save: ₹5,000-₹11,000 by doing it yourself!

Shop labor rates vary but typically run ₹2,500-₹6,000/hour. This repair takes a shop approximately 2-4 hours.

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🎯 Ready to get started?

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