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FREQUENTLY ASKED QUESTION’S


Is it necessary to bleed my brakes?

To ensure that moisture that has entered the brake system is removed. Brake fluid should be replaced periodically, because it absorbs moisture over time. A vehicle that has been standing still for over a year will need its brake fluid to be replaced. Fluid contamination is a function of time and humidity, and has nothing to do with the kilometres driven. Moisture enters the brake system through the seals and through microscopic pores in the hoses. Moisture also enters the system every time the fluid reservoir is opened, which is a why it should not be opened unnecessarily.

Brakes must be bled to remove air bubbles that have entered the system because of a leak or because the fluid level got too low. The air must be removed because it is compressible and will result in a soft, “spongy” brake pedal.


Does brake fluid damage brake pads?

Most definitely!  Therefore it is crucial that the hydraulic system is in good working order with no leaks. If brake fluid gets onto your brake pads, it doesn’t mean that you have to throw away your brake pads.  Clean them off and if needed grind off the contaminated friction material surface.  We recommend you consult a professional when grinding the pads, to make sure that the pads are safe to use again.


Why should I bed-in my new brake pads?

Proper bedding in of brake pads & brake discs will result in greater performance and longer pad life & less disc wear. Failure to properly bed in your pads could lead to friction materials breaking up.  This could also lead to overheating your pads and causing them to glaze, resulting in poor braking ability.


Do brake discs require a bedding process?

New brake discs just like new pads need to be bedded in. Brake discs don’t require as much bedding as brake pads require. Proper bedding will increase the brake disc life and make it more resistant to thermal cracking. By cleaning the disc surface you want to make sure you have completely removed any and all grease, surface residue, and debris that might contaminate or damage the brake pads.

 

Do I have to machine/skim the brake discs, or get new discs each time I change my
brake pads?

If you have had another manufacturer’s brake pads on those same brake discs; then you should machine them before installing the new brake pads. If the rotors and drums are in relatively good condition, meaning they are smooth, flat,  with no visible cracks, deep scoring, distorted, and with no other visible damage; then all you to do is replace the brake pads, and  the brake discs do not have to be resurfaced or replaced.


What causes my brakes to make noise (squeal)?

Lack of friction material on the backing plate is the most common result of brake noise.  Another reason for brake noise is that the pads are loosely fitted into the calliper.  Debris caught between the brake pad and brake disc is another common reason for brake noise. Loose lug nuts or calliper hardware.  Cracked or worn brake discs.  Uneven finish on reconditioned (machined) brake discs.

Loose or missing brake hardware (anti-rattle clips, shims) can be responsible for brake noise. There are steel springs and pins which allow the pads mounted in the brake callipers to move freely without rattling and vibrating excessively. However, due to the nature of your brake system, these pins and springs wear and loosen their tension over time. Worn pins can result in binding, squealing, brake fade, uneven braking and reduced pad life.  

Sometimes brake noise on certain vehicles is completely normal and no maintenance is required.  Brake noise can be caused by the everyday vibrations of daily driving on the brake pads, brake discs, and callipers; which is also known as Noise, Vibration and Harshness (NVH) a common term in the automotive industry.


What causes a spongy brake pedal?

A spongy pedal almost always is a result of air in the brake system.  Other reasons could be, wrong size master cylinder (too small), callipers not mounted square to the brake disc or are mounted equal to or higher than the master cylinder.

 

Why do I have to push really hard on my brake pedal?

The brake pads and/or brake discs were not properly bed.  Glazed brake pads and/or glazed rotors.  You may have chosen the wrong brake pad compound for your application.  The master cylinder could be too large.


Pedal is low when I first step on it, if I pump it the brake pedal comes up, why?

A low brake pedal that has to be pumped repeatedly to bring a vehicle to a stop may be due to a low fluid level, drum brakes that need adjustment or air in the lines.


How many kilometres will I get out of my brake pads?

There is no specific mileage interval at which the brakes need to be replaced because brake wear varies depending on how the vehicle is driven, the braking habits of the driver, the weight of the vehicle, the design of the brake system and a dozen other variables.