🔧 Trax - Front Brake Pad and Rotor Replacement

This repair replaces the front brake pads and both front rotors on your Trax. Replacing both sides together keeps braking even and prevents pulling or vibration.

Difficulty Level: Intermediate | Estimated Time: 2-3 hours

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⚠️ Safety & Precautions

• ⚠️ Support your Trax with jack stands. Never work under a vehicle supported only by a floor jack.
• ⚠️ Brake dust may be harmful. Do not blow it away with compressed air.
• ⚠️ Do not press the brake pedal while either front caliper is removed.
• ⚠️ Never allow a caliper to hang from its rubber brake hose.
• ⚠️ Check the brake-fluid reservoir while compressing the pistons. Remove excess fluid if it approaches the top.
• ⚠️ Battery disconnection and electronic parking-brake service mode are not required for this front-brake repair.

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🔧 Required Tools

You'll need the following tools for this repair:

• 19mm impact socket
• 18mm 6-point socket
• 10mm hex-bit socket
• Torx T30 bit socket
• 3/8-inch drive ratchet
• 1/2-inch drive breaker bar
• 1/2-inch drive torque wrench rated 30-200 Nm
• 3/8-inch drive torque wrench rated 5-60 Nm
• Front brake caliper piston compressor (specialty)
• Flat-blade screwdriver
• Small nylon detailing brush
• Rubber mallet
• Hub-cleaning wire brush
• Brake rotor runout dial indicator with magnetic base (specialty)
• Floor jack rated 2-ton minimum
• Jack stands rated 2-ton minimum
• Rubber wheel chocks
• Caliper hanger hook
• Brake-fluid suction syringe
• Nitrile mechanic gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Front brake pad set with hardware - Qty: 1
• Front brake rotors - Replace in pairs - Qty: 2
• Front brake pad wear sensor - Qty: 1
• High-temperature silicone brake lubricant - Qty: 1
• Non-chlorinated brake cleaner - Qty: 2 cans
• Medium-strength removable threadlocker - Qty: 1
• DOT 4 brake fluid - Qty: 500 mL

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📋 Before You Begin

• Park your Trax on firm, level ground. Shift into Park, apply the parking brake, and switch off the ignition.
• Place rubber wheel chocks firmly behind both rear wheels.
• Open the hood and locate the brake-fluid reservoir. Clean around its cap before opening it.
• Brake-fluid level rises when the caliper pistons are compressed. Use the brake-fluid suction syringe if the reservoir is already near maximum.
• No infotainment menu, scan-tool command, battery disconnect, or electronic parking-brake procedure is needed.
• Complete one side at a time so the assembled side remains available as a reference.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Loosen the Front Wheel Nuts

• Use the 19mm impact socket and 1/2-inch breaker bar to loosen each front lug nut about one-half turn.
• Do not remove the lug nuts while the tires are supporting the vehicle.

Step 2: Raise and Support the Vehicle

• Use the 2-ton floor jack at the approved front lifting point and raise your Trax.
• Position the 2-ton jack stands beneath the reinforced side support points.
• Lower the vehicle gently onto the stands, then push it lightly to confirm it is stable.

Step 3: Remove the Front Wheels

• Use the 19mm impact socket and 3/8-inch ratchet to remove the lug nuts.
• Remove both front wheels and place them flat away from the work area.

Step 4: Inspect the Brake Assembly

• Use the safety glasses and inspect the brake hose, caliper, dust boot, and surrounding area for leaks or damage.
• Check that the replacement rotor diameter and pad shape match the removed components before installation.
• Do not continue if the caliper is leaking or its piston dust boot is torn.

Step 5: Remove the Caliper

• Use the flat-blade screwdriver carefully between the old pad and rotor to move the piston inward slightly.
• Use the 10mm hex-bit socket and 3/8-inch ratchet to remove the upper and lower caliper guide-pin bolts.
• Lift the caliper from the bracket and support it with the caliper hanger hook. A caliper hanger is a rigid hook that supports the caliper without stressing its hose.
• Do not disconnect the brake hose.

Step 6: Remove the Old Pads and Hardware

• Use the flat-blade screwdriver to lift the inner and outer pads from the bracket.
• Remove the pad hardware clips with the flat-blade screwdriver.
• Note the position of the wear sensor and any pad indicators before removing them.

Step 7: Compress the Caliper Piston

• Place an old brake pad against the piston, then use the front brake caliper piston compressor to push the piston straight into the caliper.
• Compress it slowly while monitoring the brake-fluid reservoir.
• The front piston presses straight inward; it does not need to be rotated.
• Stop if the piston binds, tilts, or leaks fluid.

Step 8: Remove the Caliper Bracket

• Use the 18mm 6-point socket and 1/2-inch breaker bar to remove the two caliper-bracket bolts.
• Support the bracket while removing the final bolt.

Step 9: Remove the Old Rotor

• Use the Torx T30 bit socket and 3/8-inch ratchet to remove the rotor retaining screw.
• Pull the rotor straight from the hub.
• If rust holds it in place, strike the rotor hat between the wheel studs with the rubber mallet.
• Do not strike the wheel studs or the braking surface of a rotor that will be reused.

Step 10: Clean the Hub and Bracket

• Use the hub-cleaning wire brush to remove rust and scale from the hub face.
• Use non-chlorinated brake cleaner and the small nylon detailing brush to clean the caliper bracket.
• Keep lubricant and dirty runoff away from the new rotor and pad friction surfaces.
• A clean hub helps prevent brake vibration.

Step 11: Check the Guide Pins

• Pull each guide pin from its rubber boot by hand and inspect it for rust, scoring, or stiffness.
• Clean the pins with non-chlorinated brake cleaner and the small nylon detailing brush.
• Apply a thin coat of high-temperature silicone brake lubricant before reinstalling them.
• Replace damaged boots or seized pins before continuing.

Step 12: Install the New Rotor

• Clean both braking faces of the new rotor with non-chlorinated brake cleaner and the small nylon detailing brush.
• Place the rotor fully against the clean hub.
• Install the retaining screw with the Torx T30 bit socket and 3/8-inch torque wrench. Torque to 10 Nm (89 in-lbs).
• Use the brake rotor runout dial indicator with magnetic base if vibration existed before repair. Rotor runout is side-to-side wobble as the rotor turns.
• Measured runout should be minimized by cleaning the hub or repositioning the rotor; excessive runout requires correction before assembly.

Step 13: Reinstall the Caliper Bracket

• Clean the bracket-bolt threads with non-chlorinated brake cleaner and the small nylon detailing brush.
• Apply one small drop of medium-strength removable threadlocker to each clean, dry bracket bolt.
• Install the bracket and tighten both bolts with the 18mm socket and 1/2-inch torque wrench. Torque to 100 Nm (74 ft-lbs).

Step 14: Install the New Hardware and Pads

• Press the new pad hardware clips into the bracket by hand.
• Apply a very thin film of high-temperature silicone brake lubricant to the pad contact points on the hardware.
• Keep lubricant off the rotor and pad friction material.
• Install the inner and outer pads in the same orientation as the originals.
• Install the front brake pad wear sensor in the same routed position as the original, keeping its wire clear of the rotor and wheel.

Step 15: Reinstall the Caliper

• Remove the caliper from the caliper hanger hook and place it over the new pads without twisting the hose.
• Install both guide-pin bolts by hand to prevent cross-threading.
• Use the 10mm hex-bit socket and 3/8-inch torque wrench. Torque to 28 Nm (21 ft-lbs).
• Confirm the guide-pin boots are seated and not twisted.

Step 16: Repeat on the Opposite Side

• Use the same listed tools and repeat Steps 4 through 15 on the other front wheel.
• Both front rotors and all front pads must be replaced together.

Step 17: Reinstall the Wheels

• Place each wheel onto its hub and install the lug nuts by hand.
• Use the 19mm impact socket and 3/8-inch ratchet to snug the nuts in a crisscross pattern.
• Do not apply final torque while the vehicle is fully raised.

Step 18: Lower and Torque the Wheels

• Use the 2-ton floor jack to raise your Trax slightly and remove the jack stands.
• Lower the vehicle until the tires firmly contact the ground.
• Use the 19mm impact socket and 1/2-inch torque wrench to tighten the lug nuts in a crisscross pattern. Torque to 140 Nm (103 ft-lbs).

Step 19: Restore Brake-Pedal Pressure

• With the engine off, press and release the brake pedal slowly several times until it feels firm.
• Check the DOT 4 brake-fluid level and adjust it to the MAX line only if necessary.
• Do not drive if the pedal remains soft or sinks toward the floor.

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✅ After Repair

• ✅ Start the engine and hold firm pressure on the brake pedal for 30 seconds. The pedal should remain steady.
• ✅ Check the calipers and brake hoses for fluid leaks.
• ✅ Confirm the brake warning light switches off normally.
• ✅ Test the brakes at walking speed in a safe, traffic-free area before normal driving.
• ✅ Bed in the pads with approximately 8 moderate stops from 50 km/h to 15 km/h. Allow about 30 seconds of cooling between stops.
• ✅ Avoid coming to a complete stop with the pedal firmly held during bedding.
• ✅ Drive for 10 minutes without heavy braking to cool the brakes, then park without holding hot brakes applied unnecessarily.
• ✅ Avoid hard braking for the first 300 km unless required for safety.
• ✅ Recheck wheel-lug torque after 80-160 km.

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💰 DIY vs Shop Cost

Shop Cost: ₹30,000-₹55,000 (parts + labor)

DIY Cost: ₹16,000-₹32,000 (parts only)

You Save: ₹14,000-₹23,000 by doing it yourself!

Local labor and imported-part prices vary. This repair takes a shop approximately 1.5-2.5 hours.

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