🔧 Legacy - Front Brake Pads & Rotor Replacement

You’ll remove the front calipers, swap the brake pads and rotors, then reassemble with the correct torque. This restores braking power and helps prevent vibration (warped rotors) and squealing (worn pads).

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

Assumption: OEM-style front calipers/rotors for the 2.5i.

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⚠️ Safety & Precautions

• 🛑 Support the car on jack stands; never rely on a jack alone.
• 🛑 Brake dust is harmful—avoid blowing it out; use brake cleaner.
• 🛑 Do one side at a time so you can reference the other side.
• 🛑 Do not press the brake pedal with the caliper removed.
• 🛑 Keep grease off pad/rotor friction surfaces.
• 🛑 Battery disconnect is not required for this 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 3-ton minimum)
• Wheel chocks
• 19mm socket
• Breaker bar (1/2")
• Torque wrench (10-200 ft-lbs range)
• 14mm socket
• 17mm socket
• Ratchet (3/8")
• Caliper piston compressor tool (specialty)
• Flat blade screwdriver
• Bungee cord
• Wire brush
• Brake parts cleaner spray
• Shop towels
• Rubber mallet
• M8 x 1.25 bolts (2 pcs, 25-40mm long)
• 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 - Qty: 2
• Front brake hardware kit (clips/shims) - Qty: 1
• Silicone brake grease - Qty: 1
• Brake fluid (DOT 3 or DOT 4) - Qty: 1 quart

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📋 Before You Begin

• Park on level ground, turn the engine off, and chock the rear wheels.
• Loosen the front wheel lug nuts slightly before lifting the car.
• Open the hood and locate the brake fluid reservoir; keep the cap loose so fluid can rise when you compress the pistons.
• If the reservoir is very full, remove a little fluid with a clean towel (do not spill on paint).

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Lift the front and remove the wheels

• Use a breaker bar (1/2") with a 19mm socket to crack the lug nuts loose (about 1/2 turn).
• Lift the front using a floor jack (rated 3-ton minimum) and support with jack stands (rated 3-ton minimum).
• Remove lug nuts with a 19mm socket and take both front wheels off.

Step 2: Remove the front caliper (the clamp that holds the pads)

• Turn the steering wheel to give yourself more room at the side you’re working on.
• Use a 14mm socket and ratchet (3/8") to remove the two caliper slide pin bolts.
• Carefully lift the caliper off the bracket. Hang it from the strut spring using a bungee cord (never let it hang by the hose).
• Caliper slide pins are the bolts the caliper “floats” on.

Step 3: Remove the pads and caliper bracket

• Pull the old pads out of the bracket by hand. If stuck, gently pry with a flat blade screwdriver.
• Use a 17mm socket and breaker bar (1/2") to remove the two caliper bracket bolts.
• Remove the bracket and set it aside.
• When reinstalling later: Torque the caliper bracket bolts to 114 N·m (84 ft-lbs).
• “Caliper bracket” is the solid mount the caliper bolts to.

Step 4: Remove the old rotor

• If the rotor is stuck, spray the hub area with brake parts cleaner spray and tap the rotor hat with a rubber mallet.
• If it still won’t move, thread two M8 x 1.25 bolts (2 pcs, 25-40mm long) into the rotor’s jacking holes evenly, alternating turns to push the rotor off.
• Remove the rotor.

Step 5: Clean and prep the hub and bracket

• Use a wire brush to clean rust off the hub face (where the rotor sits flat).
• Clean the bracket and the hardware lands (where pad clips sit) using brake parts cleaner spray and shop towels.
• Install new pad clips from the front brake hardware kit (if included).
• A clean hub helps prevent brake pulsation.

Step 6: Install the new rotor

• Spray the new rotor faces with brake parts cleaner spray and wipe with shop towels (removes shipping oil).
• Place the rotor onto the hub.
• To hold it in place while you work, install one lug nut backward by hand (use the 19mm socket only lightly).

Step 7: Reinstall the caliper bracket

• Position the bracket over the rotor and start both bolts by hand.
• Tighten using a 17mm socket and ratchet (3/8"), then final-tighten with a torque wrench (10-200 ft-lbs range).
• Torque to 114 N·m (84 ft-lbs).

Step 8: Compress the caliper piston

• Before compressing, check the brake fluid reservoir level under the hood.
• Use a caliper piston compressor tool (specialty) to slowly press the piston straight back into the caliper.
• If fluid rises near the top of the reservoir, stop and remove a little with a towel.
• Go slow to avoid damaging the piston seal.

Step 9: Install the new pads

• Apply a thin layer of silicone brake grease to pad ears (where they touch the clips) and to the back of pads where they contact the caliper/bracket.
• Do not get grease on the pad friction material or rotor face.
• Slide the new pads into the bracket.

Step 10: Reinstall the caliper

• Set the caliper over the new pads.
• Install the slide pin bolts using a 14mm socket and ratchet (3/8").
• Final-tighten with a torque wrench (10-200 ft-lbs range).
• Torque the caliper slide pin bolts to 27 N·m (20 ft-lbs).

Step 11: Repeat on the other front side

• Repeat Steps 2 through 10 on the other front wheel.

Step 12: Reinstall wheels and torque lug nuts

• Reinstall both front wheels and hand-thread all lug nuts.
• Lower the car off the jack stands (rated 3-ton minimum) using the floor jack (rated 3-ton minimum).
• Use a torque wrench (10-200 ft-lbs range) with a 19mm socket to tighten lug nuts in a star pattern.
• Torque lug nuts to 120 N·m (88.5 ft-lbs).

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✅ After Repair

• With the car on the ground, pump the brake pedal 10-15 times until it feels firm (this seats the pads).
• Check brake fluid level and top off with brake fluid (DOT 3 or DOT 4) if needed.
• Test at low speed first. Make sure the car stops straight and no grinding noises.
• Bed-in (break-in) the pads: make 6-10 moderate stops from 35 mph to 5 mph, then drive to cool the brakes. Avoid hard stops for the first 200 miles.

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💰 DIY vs Shop Cost

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

DIY Cost: $180-$420 (parts only)

You Save: $270-$430 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2-3 hours.

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