01/08/2021
When it comes to your vehicle, few components are as critical as its braking system. It’s your primary defence against accidents, ensuring you can safely bring your car to a halt, whether it's an emergency stop or just a gentle slowdown for traffic. Yet, often, brakes are overlooked until a problem arises. Understanding what a comprehensive brake service entails is key to maintaining your vehicle's performance and, more importantly, your safety on the roads. This guide will walk you through the specifics of a brake service, highlighting why regular checks are indispensable and what you can expect from a professional service, such as those offered by Uni-Fit Plymouth.

A brake service isn't just about replacing pads; it's a thorough examination and maintenance of the entire braking system, designed to ensure every component is functioning optimally. Over time, parts of your braking system naturally wear down or degrade, making routine inspection and servicing absolutely vital for reliable stopping power.
What Exactly Does a Brake Service Entail?
A professional brake service goes far beyond a quick glance. It involves a systematic inspection and, if necessary, replacement of key components to ensure your vehicle's braking system is operating at its peak efficiency. Here’s a breakdown of what you can expect:
1. Comprehensive Brake System Inspection
The first step in any quality brake service is a detailed inspection of the entire braking system. This includes:
- Brake Pads: These are the friction material that presses against the brake discs to slow your vehicle. Technicians will check their thickness and condition. Worn pads significantly reduce braking effectiveness and can damage discs if left unattended.
- Brake Discs (Rotors): Also known as rotors, these are the metallic discs that the brake pads clamp onto. They are inspected for wear, scoring, warping, or any signs of cracking. Uneven wear or warping can lead to vibrations when braking and reduced efficiency.
- Brake Calipers: These house the brake pads and hydraulic pistons that press the pads against the discs. The inspection will look for seized pistons, leaks, or any damage to the caliper body. A sticking caliper can cause uneven pad wear and pulling to one side.
- Brake Hoses and Lines: These carry the brake fluid under pressure. They are checked for cracks, leaks, bulges, or corrosion, which could compromise the hydraulic system's integrity.
- Brake Fluid: The level and condition of the brake fluid are assessed. Brake fluid is hygroscopic, meaning it absorbs moisture over time, which can lower its boiling point and lead to a spongy brake pedal.
- Parking Brake (Handbrake): Its functionality and adjustment are checked to ensure it holds the vehicle securely.
- Wheel Bearings and Suspension Components: While not directly part of the braking system, issues with these can affect braking performance and are often checked during a thorough brake inspection.
2. Brake Pad and Disc Replacement (If Necessary)
Based on the inspection, if your brake pads are worn below a safe limit, or your discs show signs of significant wear, scoring, or warping, they will be replaced. Modern vehicles often have wear indicators that signal when pads are low, but a visual inspection provides the most accurate assessment. Replacing pads and discs together is often recommended to ensure optimal performance and even wear, especially if discs are significantly worn.
3. Brake Fluid Flush and Replacement (If Necessary)
As mentioned, brake fluid degrades over time by absorbing moisture. This moisture can cause corrosion within the brake lines and calipers and reduce the fluid's effectiveness, leading to a 'soft' or 'spongy' brake pedal. A brake fluid flush involves removing the old, contaminated fluid from the entire system and replacing it with fresh, new fluid, bleeding the lines to remove any air bubbles. This is crucial for maintaining a firm brake pedal and consistent braking performance.
4. Cleaning and Lubrication of Components
During the service, brake components, such as caliper slides and pins, are cleaned and lubricated. This ensures they move freely and prevent sticking, which can lead to uneven pad wear or noise.
5. Road Test
After any work is completed, a final road test is performed by an expert mechanic to ensure the brakes are functioning correctly, with a firm pedal, no pulling, and no unusual noises.
Why Regular Brake Maintenance Matters
Neglecting your brakes can have serious consequences. Regular maintenance is not just about avoiding costly repairs down the line; it’s fundamentally about ensuring your safety and the safety of others on the road. Here's why it's so important:
- Enhanced Safety: Well-maintained brakes provide reliable stopping power, reducing stopping distances and significantly lowering the risk of accidents.
- Improved Performance: Consistent braking performance, free from vibrations or pulling, makes for a more comfortable and predictable driving experience.
- Cost Savings: Addressing minor wear early prevents more extensive and expensive damage to other braking components, such as calipers or master cylinders.
- Compliance with MOT Regulations: Your vehicle's brakes are a critical component checked during its annual MOT test. Regular servicing helps ensure your car passes this vital inspection.
- Longevity of Components: Proper lubrication and fluid changes extend the lifespan of your entire braking system.
When Should You Get Your Brakes Serviced?
The frequency of brake servicing depends on several factors, including your driving style, vehicle type, and manufacturer recommendations. However, there are general guidelines and specific intervals for certain components:
- Brake Fluid: It is paramount to have your brake fluid changed at least every two years. As the fluid absorbs moisture, its boiling point decreases, making your brakes less effective, especially under heavy braking.
- Brake Pads: The lifespan of brake pads varies greatly. Aggressive driving, heavy traffic, and carrying heavy loads will cause them to wear down faster. While there isn't a fixed interval, you should expect to replace them within the vehicle's lifetime, often between 25,000 to 70,000 miles. Regular inspections during your service or MOT will determine their remaining life.
- Overall Brake Check: It's advisable to have your brakes inspected at least once a year or every 10,000 to 12,000 miles, whichever comes first, or during your routine vehicle service.
Beyond these intervals, be vigilant for warning signs that indicate your brakes need immediate attention:
- Squealing, Grinding, or Clicking Noises: These are common indicators of worn brake pads.
- Vibration When Braking: Often a sign of warped brake discs.
- Pulling to One Side: Could indicate uneven brake pad wear, a sticking caliper, or an issue with the brake fluid.
- Soft or Spongy Brake Pedal: Suggests air in the brake lines or contaminated brake fluid.
- Dashboard Warning Light: Many modern cars have a brake warning light that illuminates when pads are excessively worn or there's a fluid level issue.
Brake Condition: What to Look For
| Symptom | Possible Cause | Action Required |
|---|---|---|
| Squealing/Chirping | Normal wear indicator on pads, or light surface rust | Inspection during next service, or immediate check if persistent |
| Grinding Noise | Severely worn brake pads (metal-on-metal contact) | Immediate professional inspection and replacement |
| Vibration/Pulsation in Pedal | Warped brake discs, or uneven pad wear | Professional inspection, likely disc/pad replacement |
| Car Pulls to One Side when Braking | Sticking caliper, uneven pad wear, or fluid issue | Immediate professional inspection |
| Soft/Spongy Brake Pedal | Air in brake lines, low brake fluid, or contaminated fluid | Immediate professional inspection and fluid flush |
| Dashboard Brake Warning Light On | Low brake fluid, excessively worn pads, or system fault | Immediate professional inspection |
Book Your Brake Service with Uni-Fit Plymouth
At Uni-Fit Plymouth, we understand the importance of reliable brakes. Our expert mechanics are equipped to carry out a comprehensive inspection of your braking system, ensuring every component is in 'tip-top condition'. We believe in transparency and will always advise you on any necessary replacements, whether it's brake pads, discs, or a vital brake fluid change.
We offer a Free Brake Check, providing you with peace of mind without any obligation. Our team will thoroughly assess your braking system and provide a detailed report, explaining any findings clearly. If replacements are necessary, rest assured that we use quality parts and adhere to the highest standards of workmanship.
Keeping an eye on your brake fluid and having it changed at least every two years is crucial for maintaining your braking system's top condition, especially for those moments when you need it the most. Your brake pads, by their very nature, will wear down. How often they need replacing depends on your vehicle and driving style, but they are a consumable item that will require replacement during your vehicle's lifetime.
Don't compromise on your safety or the performance of your vehicle. Regular brake servicing is an investment in your peace of mind. With Uni-Fit Plymouth, you can book your brake service online quickly and easily. Take advantage of our Free Brake Check today and ensure your vehicle is always ready to stop safely.
Frequently Asked Questions About Brake Servicing
Q1: How long does a brake service typically take?
A brake inspection can often be completed within 30-60 minutes. If replacements are needed, such as pads and discs on one axle, it could take anywhere from 1 to 3 hours, depending on the vehicle type and complexity. A full fluid flush would add to this time.
Q2: Can I drive with worn brake pads?
While you might be able to, it is highly unsafe and not recommended. Worn brake pads drastically reduce your vehicle's stopping power and can lead to longer stopping distances, increasing the risk of an accident. Furthermore, driving on metal-to-metal contact can cause severe damage to your brake discs, leading to more expensive repairs.
Q3: What's the difference between brake fluid and engine oil?
Brake fluid is a hydraulic fluid that transmits force from your brake pedal to the brake calipers, causing the pads to press against the discs. It needs a high boiling point and resistance to compression. Engine oil, on the other hand, lubricates engine components and helps cool the engine. They are entirely different fluids with different purposes and are not interchangeable.
Q4: Why do my brakes squeal, even after a service?
Squealing can sometimes occur due to several reasons even after a service. It could be due to new pads bedding in, dust or debris on the pads/discs, or even humidity. If the squeal is persistent, loud, or accompanied by a grinding noise or vibration, it warrants a professional re-inspection.
Q5: Is a 'free brake check' really free?
Yes, at Uni-Fit Plymouth, our free brake check is genuinely free. It involves a visual inspection of your braking components to assess their condition. We provide you with a report and recommendations without any obligation to proceed with repairs. It's designed to give you peace of mind and help you understand the state of your vehicle's most vital safety system.
In conclusion, a robust and responsive braking system is fundamental to safe driving. Regular brake servicing is not an option; it's a necessity. By understanding what a brake service entails and adhering to recommended maintenance schedules, you ensure your vehicle remains safe and reliable on every journey. For expert brake servicing and peace of mind, consider booking your vehicle in with Uni-Fit Plymouth today.
If you want to read more articles similar to Brake Service Explained: Keeping Your UK Car Safe, you can visit the Maintenance category.
