Disc brakes unlike drum brakes, use a calliper that grips the disc rotor to the wheel to gain friction. They tend to create more heat than drum brakes, but is designed to continue operating effectively in these conditions – and they are also exposed to outside air which helps with cooling. Within the calliper are usually two brake pads, one for either side of the rotor. These pads clamp together when the brake pedal is pressed. This is a similar concept to that of drum brakes but it is far superior not only in performance but also for reliability.
Many things can happen to disc brakes. But the more common problems are warping (caused by extreme heat), scarring (occurs when pads are not changed when due), and cracking (a bit rare – but occurs due to uneven rotor expansion). The easiest way to repair these problems is by machining the discs.
Satnam Auto can assist you in either machining or replacing you brake discs where necessary. Don’t wait until it is too late, call today to arrange a safety inspection of your vehicles brake discs.
Replacing the disc rotors is a simple process of removing the old and fitting the new, whereas disc machining is a bit more involved. The brake discs that require machining are first removed from the vehicle and placed on a lathe. A special set of cutting implements are then adjusted to remove the minimum amount of material from the face of the discs, providing a fresh surface for the brake pads to run against. So, should you have your brake discs machined, or is replacement the best option when carrying out brake servicing? This comes down to the type of vehicle you drive, the operating conditions and the amount of wear on the discs.
Before looking at machining brake discs, the mechanic must measure the thickness of the brake disc and compare it to the minimum thickness – if it is above this measurement and will not go under this measurement within the replacement brake pads service life, the brake discs are safe to be machined. If the minimum thickness will be exceeded, either during the machining process or within the replacement brake pads service life, they must be replaced with new discs.
Not sure if you need to have your brake discs machined or replaced? That’s where Satnam Auto comes in! Simply book a brake pad replacement or braking system inspection with us, and we will advise you on any repairs or replacement that’s needed. Too Easy!
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