🔧 Flex - Front Brake Pad Replacement

You’ll remove the front calipers, swap in new pads, and reassemble everything with the pads moving freely. Worn pads reduce stopping power and can damage the rotors if you go too long.

Difficulty Level: Intermediate | Estimated Time: 1.5-3 hours

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⚠️ Safety & Precautions

• ⚠️ Work on level ground and support the Flex with jack stands before going under or pulling wheels.
• ⚠️ Brake dust is harmful—avoid compressed air; use brake cleaner and a drip pan.
• ⚠️ Do not let the caliper hang by the brake hose—support it with a hook/bungee cord.
• ⚠️ Brake fluid can damage paint—wipe spills immediately.
• 🔋 Battery disconnect is not required for front brake pads on the Flex.

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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, pair)
• Wheel chocks
• 21mm socket
• 1/2" drive breaker bar
• 1/2" drive torque wrench (20-250 ft-lbs range)
• Ratchet (3/8" drive)
• Socket set (metric, 10mm-21mm)
• Caliper piston compression tool (specialty)
• Flat-blade screwdriver
• Brake parts cleaner spray
• Wire brush
• Bungee cord or caliper hook
• Drip pan
• Nitrile gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Front brake pad set - Qty: 1
• Front brake hardware/clip kit - Qty: 1
• Brake caliper slide pin grease (silicone) - Qty: 1
• Brake cleaner - Qty: 1-2 cans

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📋 Before You Begin

• Park on level ground, put the shifter in Park, and set the parking brake.
• Place wheel chocks behind the rear wheels.
• Crack the front lug nuts loose 1/4 turn with a 21mm socket and breaker bar before lifting.
• Assumption: factory front single-piston calipers.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Lift and secure the front end

• Use a floor jack to lift the front of the Flex at the proper jacking point.
• Set it down onto jack stands and gently shake the vehicle to confirm it’s stable.

Step 2: Remove the front wheels

• Remove lug nuts with a 21mm socket and ratchet, then remove both front wheels.
• Set wheels aside where they won’t tip over.

Step 3: Inspect the brake assembly

• Turn the steering knuckle for access (hand-push the tire hub area) so you can see the caliper and pads.
• Look for torn rubber boots, leaking fluid, or severely grooved rotors.

Step 4: Remove the caliper slide pin bolts

• Remove the two caliper slide pin bolts using the correct-size socket from your metric socket set and a 3/8" drive ratchet.
• Support the caliper with a bungee cord or caliper hook so the brake hose is not stretched.
• Slide pins are the caliper’s moving guide bolts.

Step 5: Remove the old pads and hardware clips

• Pull the inner and outer pads out by hand; use a flat-blade screwdriver gently if they’re stuck.
• Remove the stainless hardware clips from the caliper bracket.
• Spray the bracket area with brake parts cleaner spray into a drip pan.

Step 6: Clean and prep the pad contact points

• Use a wire brush to clean rust from where the hardware clips sit.
• Install the new hardware clips from the kit.
• Apply a very thin film of brake caliper slide pin grease (silicone) to the pad “ears” where they touch the clips (do not get grease on friction material).

Step 7: Compress the caliper piston

• Place an old pad against the piston face, then use a caliper piston compression tool (specialty) to slowly press the piston fully back into the caliper.
• Go slowly—brake fluid level may rise in the reservoir.
• This makes room for the thicker new pads.

Step 8: Service and lubricate the slide pins

• Pull the slide pins out (one at a time) and wipe them clean with a shop towel you have on hand while wearing nitrile gloves.
• Apply fresh brake caliper slide pin grease (silicone) and reinstall the pins, ensuring the rubber boots seat fully.

Step 9: Install the new brake pads

• Install the new inner and outer pads into the bracket by hand.
• Make sure the pads slide easily in the clips; if they bind, re-clean the clip seats with the wire brush.

Step 10: Reinstall the caliper

• Lower the caliper over the new pads.
• Reinstall the slide pin bolts using your metric socket set and 3/8" drive ratchet.
• Torque to 35 Nm (26 ft-lbs)

Step 11: Reinstall wheels and torque lug nuts

• Reinstall both wheels and hand-thread the lug nuts.
• Lower the Flex to the ground using the floor jack.
• Tighten lug nuts in a star pattern using a torque wrench.
• Torque to 203 Nm (150 ft-lbs)

Step 12: Pump the brake pedal before driving

• With the engine off, press the brake pedal 10-15 times until it feels firm.
• This seats the pistons back against the new pads.

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✅ After Repair

• Start the engine and confirm the brake pedal stays firm.
• Check the brake fluid level and top off only if needed (use the correct DOT fluid listed on the cap).
• Do a cautious test drive: 5-10 gentle stops from 30-50 km/h, letting brakes cool between stops.
• Listen for scraping/grinding and re-check lug nut torque with a torque wrench after ~50-100 km.

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💰 DIY vs Shop Cost

Shop Cost: ₹6,000-₹12,000 (parts + labor)

DIY Cost: ₹2,500-₹6,500 (parts only)

You Save: ₹3,500-₹5,500 by doing it yourself!

Shop labor rates vary but typically run ₹800-₹2,000/hour. This repair takes a shop approximately 1.0-1.5 hours.

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🎯 Ready to get started?

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