Services
Brake Disc Replacement
Brake discs are the rotating faces the pads grip, absorbing the heat of every stop. A disc that has worn thin, warped or scored deeply makes itself known through pedal vibration and fading brake performance.
What does Brake Disc Replacement involve at Alpay Servis?
Brake discs are the rotating faces the pads grip, absorbing the heat of every stop. A disc that has worn thin, warped or scored deeply makes itself known through pedal vibration and fading brake performance.
The brake disc is the steel face that rotates with the wheel and slows the car when the pads clamp onto it. Every stop dumps sudden heat loads of hundreds of degrees into the disc, which must absorb, carry and shed that energy into the air. Such punishing duty means the disc, like the pad, is a component with a finite life.
How a Disc Wears Down
Each application of the brakes removes microns of material; over time the disc approaches the minimum thickness its manufacturer specifies. A thinner disc manages heat less well and becomes prone to distortion. Driving on finished pads scores the surface, and sudden water contact on a hot disc can introduce stresses. The lip forming at the outer edge is the visible proof of accumulated wear.
The Replacement Process
- Thickness is measured with a micrometer and compared to the limit.
- Runout is measured to check for warping.
- Discs are renewed in pairs per axle, with the hub face cleaned before fitting.
- Pads are assessed alongside so they match the fresh disc surface.
- A bedding-in drive verifies freedom from vibration and noise.
A true disc face is the precondition for short stopping distances and a vibration-free pedal. If you feel pulsing when you brake, or simply want to know where your discs stand, arrange a measurement at our workshop in Bornova, İzmir through the online form or by phone.
What Does This Service Cover?
- Thickness measurement against the minimum specification
- Surface check for scoring, cracks and discolouration
- Runout measurement to detect warping
- Replacement of discs in pairs per axle
- Bedding-in drive together with matching pads
Signs You May Need This
- Vibration through the pedal and steering when braking
- Visible deep scoring on the disc face
- A pronounced wear lip forming at the disc edge
- Reduced bite and lengthening stopping distances
- Bluish heat marks appearing on the surface
Frequently Asked Questions
How is the decision made that a disc needs replacing?
Every disc carries a minimum thickness set by its manufacturer, usually stamped on the disc itself. If the measured thickness approaches that limit, if the face shows deep scoring or cracking, or if a runout measurement reveals warping, replacement is due.
What causes vibration under braking?
The most common cause is thickness variation and distortion of the disc face. Sudden cooling after heavy braking can create uneven zones on the surface; as the pad grips this wavy face, the vibration transmits into the pedal and steering. Measurement shows the condition conclusively.
Should pads be renewed together with the discs?
Old pads have moulded themselves to the worn disc's surface profile; fitted against a new disc they cannot achieve full contact and efficiency suffers. Renewing the pads along with the discs is therefore the recommended approach for the system to work properly as a whole.
Book Your Service Appointment
Choose the day and time that suit you; our team will confirm your appointment.
