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Genuine Mazda 323 Brake Caliper

Caliper
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1 Brake Caliper found

  • Mazda 323 Brake Caliper - BRY4-33-98ZR
    Diagram for Mazda 323 Brake Caliper - BRY4-33-98ZR
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    Mazda 323 Caliper Part Number: BRY4-33-98ZR

    Product Specifications
    • Other Name: Reman, Caliper; Caliper Assembly
    • Position: Right
    • Warranty: This genuine part is guaranteed by Mazda's factory warranty.
    Fits the following Vehicles:
    • 1990-1991 Mazda 323 | Base, SE | 4 Cyl 1.6 L GAS

Mazda 323 Brake Caliper

The Mazda 323 Brake Caliper is a device which converts the pressure of the master cylinder into clamping force that allows the pads to bite into the rotor and decelerate the car. The body of the Brake Caliper is mostly cast iron, with steel or phenolic pistons which slide on lubricated bores, behind fluid-tight seals and dust boots. Each squeeze of the pedal forces the incompressible brake fluid past these pistons, pushing the pads against the disc until the rotation stops. During its production process, this small Mazda has had two designs that have been attached to it, fixed and floating. Fixed units screw on the mounting bracket and have opposing pistons on either side of the rotor which provide the rotor with a balanced grip and solid pedal feel, but increase the complexity and weight. The floating designs fitted to numerous 323 models and other Mazda models have one or more pistons on the inboard side and are mounted on guide pins so the entire assembly can slide to squeeze the outer pad and have a lighter weight and lower price. Other rear floating caliper systems feature a screw-like parking brake system which winds the piston inward to hold the car when parked. Checks are crucial, as a leak may result in the sinking of the pedal, seized pistons or corroded slides may cause the vehicle to pull or grind, and uneven pad wear is a cause of concern. Since the 323 relies on every Mazda Brake Caliper to convert hydraulic energy to dependable stopping power, it is important to ensure that all vehicles are roadworthy; that is, all these parts are clean, oiled and do not leak.

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Mazda 323 Brake Caliper Parts and Q&A

  • Mazda 323 Brake Caliper - BRY4-33-98ZR Caliper Caliper
    BRY4-33-98ZR
    Q: What should you consider before overhauling brake calipers due to fluid leakage on Mazda 323?
    A:
    On the event of an overhaul (which is normally due to leakage of the fluid) all options are to be explored, then proceed with the job. Replacement of a few new and factory rebuilt calipers can be done on exchange basis thus making it easier. Should you want to rebuild the calipers it is advisable to have a rebuild kit on hand before proceeding and to always have two calipers rebuilt at a time. Removal of the caliper is accomplished by first loosening the rear wheel lug nuts after which the rear of the car is elevated with jackstands and the wheel is then removed. Then remove the Parking Brake Cable off the caliper, and then remove the bolt of the Brake Hose and disconnect the brake hose inserting a plug to avoid contamination and loss of fluid. The rear disc manual adjustment gear screw plug must be removed, then the caliper piston of the brakes moved inward, by rotating the manual adjustment gear counterclockwise. Next, remove the lower caliper mounting bolt and the M shaped spring, however, 1999 and later models have spring clips in place. Slack the upper caliper mounting bolt and rotate the caliper away form the brake disc, and then remove the brake pads, shim plates, and caliper guide plates. Unscrew the upper mounting bolt then off the wheel hub, the caliper, the mounting support then the brake disc. Unplug the electrical connector of the speed sensor and strip off any required clips and bolts in case the vehicle is fitted with ABS. These models have complicated rear calipers, therefore; the calipers are not recommended to be overhauled and it is better to replace them as a pair with rebuilt units to have better service at lower cost. To install, the steps to be followed are the removal process in reverse order with the addition that the copper sealing washers be re-attached on brake hose-to-caliper connector. In case of presence of ABS, then install the ABS wheel sensor with due clearance between the sensor and toothed rotor. Lastly, be careful emptying the brakes circuit by checking that the hose connections are not leaking and also do a test before putting the vehicle back into normal service.

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1991 Brake Caliper 1990 Brake Caliper