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Ford Fiesta Front Brake Pad Replacement Guide

07/01/2019

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The braking system is arguably the most critical safety feature on any vehicle, and the front brake pads are at the forefront of its operation. Over time, these essential components wear down, impacting stopping power and potentially leading to more significant damage if left unchecked. Fortunately, replacing the front brake pads on a Ford Fiesta is a task that many DIY enthusiasts can tackle with the right tools and a bit of patience. This guide will walk you through the process, offering clear instructions and valuable insights to ensure a successful and safe brake pad replacement.

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Understanding Your Ford Fiesta's Brakes

Before diving into the replacement, it's beneficial to understand how your Fiesta's front braking system works. Typically, a Ford Fiesta will feature a disc brake system at the front. This comprises a brake disc (rotor), a brake caliper, brake pads, and the hydraulic system that actuates the caliper. When you press the brake pedal, hydraulic fluid pushes a piston within the caliper, forcing the brake pads to clamp down on the rotating brake disc. This friction slows and eventually stops the wheel. The brake pads are the sacrificial components, designed to wear down over time, and it's their replacement that we'll be focusing on.

When to Replace Your Front Brake Pads

Several indicators suggest it's time for new brake pads:

  • Squealing or Grinding Noises: Many brake pads have a small metal tab called a wear indicator. When the pad material wears down to a certain point, this tab makes contact with the disc, producing a high-pitched squeal when the brakes are applied. A deeper grinding sound often indicates that the pad material has completely worn away, and the metal backing plate is grinding against the disc, which can cause significant damage.
  • Reduced Braking Performance: If you notice your car taking longer to stop, or the brake pedal feels softer or lower than usual, it could be due to worn brake pads.
  • Brake Warning Light: Some modern Fiestas have electronic wear sensors. If these sensors detect excessively worn pads, a warning light will illuminate on your dashboard.
  • Visual Inspection: The most definitive way is to visually inspect the brake pads. You should be able to see the pads through the openings in the wheels. If the friction material (the pad itself) is less than approximately 3mm thick, it's time for a replacement.

Tools and Materials You'll Need

Gathering the necessary tools and materials before you start is crucial for a smooth process:

  • New front brake pads for your specific Ford Fiesta model and year.
  • Jack and jack stands.
  • Lug wrench.
  • Socket set and ratchet (common sizes include 13mm, 14mm, and 17mm).
  • C-clamp or brake caliper piston compression tool.
  • Brake cleaner.
  • Wire brush.
  • Gloves and safety glasses.
  • Optional: Brake lubricant/grease, new brake disc (rotor) if worn.

Step-by-Step Guide to Changing Front Brake Pads

1. Preparation and Safety

Park your Ford Fiesta on a flat, level surface. Engage the parking brake firmly and place wheel chocks behind the rear wheels to prevent the car from rolling. Loosen the lug nuts on the front wheel you'll be working on by about half a turn, but do not remove them yet. This is easier to do while the wheel is still on the ground.

2. Jacking Up the Vehicle

Consult your Ford Fiesta's owner's manual for the correct jacking points. Place the jack under the designated jacking point for the front of the car. Lift the vehicle until the front wheel is off the ground. Securely place a jack stand under a strong part of the chassis or subframe near the jack point. Slowly lower the car onto the jack stand. Never work under a vehicle supported only by a jack. Remove the jack. Now, completely remove the lug nuts and the front wheel.

3. Accessing the Brake Caliper

You'll now see the brake disc (rotor) and the brake caliper, which is the component that clamps onto the disc. The brake pads are housed within the caliper. You may need to rotate the steering wheel towards the side you are working on to gain better access.

4. Removing the Brake Caliper

The brake caliper is typically held in place by two bolts, often referred to as caliper bolts or slide pin bolts. These are usually located on the back of the caliper. Use your socket set to remove these bolts. The size may vary, but common sizes are 13mm or 14mm. Once the bolts are removed, you should be able to gently pivot or slide the caliper off the brake disc. If it's stuck, a gentle tap with a rubber mallet might help. Do not let the caliper hang by the brake line, as this can damage the hose. Use a piece of wire or bungee cord to support the caliper, hanging it from the suspension spring or strut.

5. Replacing the Brake Pads

With the caliper removed, you can now see the old brake pads. They will likely be seated in the caliper bracket. There might be retaining clips or pins holding them in place. Remove these clips and carefully slide out the old brake pads. Note how the new pads are oriented, as they are often specific to the inner and outer positions.

6. Compressing the Caliper Piston

Before you can fit the new, thicker brake pads, you need to retract the caliper piston(s) back into the caliper body. This is where your C-clamp or brake caliper piston compression tool comes in handy. Place an old brake pad against the piston to protect it. Then, slowly and steadily tighten the C-clamp or tool to push the piston back into the caliper. As you do this, you may notice the brake fluid level in the reservoir rise. Keep an eye on it and be prepared to remove a small amount of fluid with a syringe if it looks like it might overflow. Do not open the bleeder screw unless you are specifically bleeding the brakes.

7. Installing New Brake Pads

Clean the caliper bracket where the brake pads sit using a wire brush to remove any rust or debris. Apply a small amount of brake lubricant to the contact points on the caliper bracket and the back of the new brake pads where they meet the piston and caliper fingers. This helps prevent future squeaks. Slide the new brake pads into the caliper bracket, ensuring they are seated correctly and that any anti-rattle clips are reinstalled. Place the caliper back over the new brake pads and the disc.

8. Reattaching the Caliper

Align the caliper with the mounting holes and reinsert the caliper bolts. Tighten them securely to the manufacturer's recommended torque specification. If you have a torque wrench, use it. If not, ensure they are snug and not overtightened.

9. Reinstalling the Wheel

Place the wheel back onto the hub and thread the lug nuts on by hand. Tighten them slightly in a star pattern. Lower the vehicle off the jack stands. Once the wheel is firmly on the ground, tighten the lug nuts fully using the lug wrench in a star pattern to ensure even pressure.

10. Repeat for the Other Side

It is essential to replace brake pads in pairs, meaning you must replace both the left and right front brake pads simultaneously. Repeat steps 2 through 9 on the other side of the vehicle.

11. Pumping the Brakes

Before driving, get into your Ford Fiesta and pump the brake pedal several times. You will notice the pedal will feel soft initially. Continue pumping until the pedal feels firm. This process pushes the caliper pistons back out against the new brake pads, ensuring the brakes are engaged.

12. Bedding In Your New Brake Pads

New brake pads need to be 'bedded in' to mate properly with the brake discs for optimal performance. This involves a series of moderate stops. Drive your Fiesta and perform several stops from around 30-40 mph down to about 10 mph, without coming to a complete halt. Avoid harsh braking for the first few hundred miles. This process transfers a thin layer of pad material to the disc, creating a more uniform surface for better braking.

Common Issues and Troubleshooting

Here are some issues you might encounter and how to address them:

ProblemPossible CauseSolution
Squealing after replacementLack of brake lubricant, incorrect pad seating, glazed pads/rotorsApply lubricant to pad backing and caliper bracket contact points, ensure pads are seated correctly, consider rotor resurfacing/replacement.
Brake pedal feels spongyAir in the brake lines, caliper piston not fully retractedBleed the brake system, re-check piston retraction.
Car pulls to one side when brakingUneven pad wear, sticking caliper piston, contaminated brake fluidInspect and replace pads evenly, service or replace caliper, flush brake fluid.

Frequently Asked Questions

Q1: How long does it take to change front brake pads on a Ford Fiesta?

A1: For an experienced DIYer, it can take about 1-2 hours for both front wheels. For a beginner, it might take longer, perhaps 2-3 hours.

Q2: Do I need to replace the brake discs (rotors) at the same time?

A2: It's recommended to inspect your brake discs for wear, scoring, or warping. If they are worn beyond their minimum thickness, heavily grooved, or have a lip on the outer edge, they should be replaced or resurfaced. Replacing pads on worn discs can reduce the effectiveness of the new pads.

Q3: Can I just replace one front brake pad?

A3: No, brake pads must always be replaced in pairs on the same axle (both front or both rear) to ensure balanced braking performance.

Q4: What is the most important safety step when changing brake pads?

A4: Ensuring the vehicle is securely supported on jack stands and never working underneath a car supported only by a jack. Also, remember to pump the brake pedal after completing the job.

Q5: What kind of brake pads should I buy for my Ford Fiesta?

A5: There are several types, including organic, semi-metallic, and ceramic. Organic pads are typically quieter and cheaper but wear faster. Semi-metallic offer good all-around performance. Ceramic pads are generally quieter, produce less dust, and last longer but can be more expensive. Consult your owner's manual or a reputable parts supplier for recommendations specific to your Fiesta's driving conditions.

Conclusion

Replacing the front brake pads on your Ford Fiesta is a manageable DIY project that can save you money and give you peace of mind. By following these steps carefully, using the correct tools, and prioritising safety, you can ensure your Fiesta's braking system remains in top condition, keeping you and others safe on the road. If at any point you feel unsure or uncomfortable, it's always best to consult a qualified mechanic.

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