Services
Brake Caliper and Limiter Replacement
The caliper converts hydraulic pressure into the force that presses pad against disc; the limiter balances braking between the axles. A sticking caliper announces itself through pulling and abnormal pad wear.
What does Brake Caliper and Limiter Replacement involve at Alpay Servis?
The caliper converts hydraulic pressure into the force that presses pad against disc; the limiter balances braking between the axles. A sticking caliper announces itself through pulling and abnormal pad wear.
Pressure in the brake circuit finishes its journey at the caliper: the piston moves outward and presses the pad against the disc. Lift off the pedal and the piston retracts, the pad frees itself and the wheel spins unhindered. The flawless working of this back-and-forth motion underpins both braking balance and pad life. The limiter guards the same balance from another angle, restricting pressure to the rear axle so the car stays composed under braking.
Why a Sticking Caliper Is Serious
A seized caliper cannot fully release the pad. As the car drives, that wheel runs under continuous friction and heat; the pad wears away rapidly, the disc surface suffers and fuel consumption climbs. The opposite failure — a piston that will not apply — leaves braking one-sided, steering the car off line the moment the pedal is pressed. Both situations bear directly on braking safety.
The Workshop Approach
- Piston and slide movement is checked at all four calipers.
- Dust boots, seals and hydraulic unions are inspected.
- Recoverable calipers are cleaned and greased; damaged units are replaced.
- A faulty limiter valve is renewed where found.
- The system is bled and balance is confirmed on a road test.
Symmetry is everything in braking; both sides working with equal force is what makes stopping straight and predictable. If your car pulls under braking, or one wheel runs hotter than the rest, book a check at our workshop in Bornova, İzmir via the online form or by phone.
What Does This Service Cover?
- Check of caliper piston movement and seals
- Cleaning and re-greasing of the slide pins
- Inspection of dust boots for tears and leaks
- Replacement of a faulty caliper or limiter valve
- System bleeding and road test after the work
Signs You May Need This
- The car pulling to one side when braking or cruising
- Markedly faster pad wear at a single wheel
- One wheel rim noticeably hotter than the others
- A constant rubbing noise from one wheel
- An inconsistent, uneven feel at the brake pedal
Frequently Asked Questions
How does a caliper come to stick?
When moisture and dirt reach the working surfaces of the piston or slide pins, corrosion sets in and the parts can no longer move freely. A torn dust boot accelerates the process. A seized caliper cannot fully release the pad from the disc, generating constant friction and heat.
Does a caliper always have to be replaced outright?
No. If the problem is limited to dried-out slides or mild sticking, cleaning and fresh grease can be enough. Corrosion on the piston surface, leaking seals or a damaged body call for replacement. The decision is made on physical assessment after disassembly.
What is the limiter and what does it do?
The limiter is a balance valve that restricts hydraulic pressure to the rear wheels during braking. When it fails, the rears can lock early and the car becomes unstable under braking. Found mainly on older vehicles, renewing a faulty unit restores the braking balance.
Book Your Service Appointment
Choose the day and time that suit you; our team will confirm your appointment.
