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Car Brakes

The braking system is ultimately your car’s most important safety system. Just like tyres, brakes become much less effective as they wear.

At PTA Garage Services we carry out brake replacements at very competitive prices. We also offer a free brake check to all our customers for safety and peace of mind. (The inspection of vehicles with rear brake drums may incur an additional charge.)

How do brakes work?

When your brake pedal is pressed, hydraulic pressure is forced into the master cylinder of the braking system. This pressure, flows through the hoses to the wheel cylinders and callipers which in turn, pushes the pads against the rotors on a disc brake.

Do I need a brake repair/replacement?

Brakes show signs of wear and tear just like some other areas of your vehicle. Potential problems to look out for are:

Wear

squealing or grinding noise indicates that brake pads and or discs require replacement, although some cars have warning sensors to tell the motorist when brake replacement is necessary.

Discs have a minimum thickness in line with manufacturer safety standards, so when discs reach this minimum thickness they have to be replaced. Brake discs should always be replaced in pairs. The pads should be replaced at the same time too.

Pad Wear

The type of vehicle you drive and your driving style will have an effect on how fast your brake pads wear. Low speed braking doesn’t affect the pads as much as high speed braking will.

Distortion

A brake judder normally indicates a distortion/fault in the brake discs, while pulling under braking suggests a fault with the brake callipers or another hydraulic component.

Over time brake discs can wear thin and become "lipped". When this occurs new pads cannot be fitted without new brake discs as braking performance and safety may be compromised.

Uneven heating and cooling can cause discs to become out of shape. You might notice such damage if your brakes are old and thinning. Avoid braking for long periods, like when driving downhill; it is advised to drive in a lower gear instead, to avoid overheating your brakes.

Brake Fluid

Spongy brakes may indicate a brake fluid leak or that the brake fluid needs changing. Because brake fluid is hygroscopic and absorbs water most manufacturers recommend a brake fluid change every two years.

When braking heavily, car brake systems get extremely hot. This can then cause the brake fluid to boil and eventually vaporise. Hydraulic brakes work on the principle that a liquid cannot be compressed. When the liquid is vaporised is turns from a liquid into a gas which can be compressed, therefore the system cannot perform as designed. When this occurs the brakes will feel spongy and the will not work to their maximum potential.

Other brake symptoms to look out for:

If your brakes are experiencing any of the above symptoms get in touch and we'll be happy to carry out a brake check free of charge. We can also carry out a test to measure the moisture content of the brake fluid in your hydraulic braking system.

Garage and tyres quote from PTA Garage Services

Contact your local PTA branch today to book an appointment and get a quote for all your car brake needs.