Mazda MX-3 silhouetteMX-3

Conventional Brake System — Rear Brake (Disc): Quick Inspection & Disc Pad Replacement

P-37parts diagram

REAR BRAKE (DISC)

Quick inspection (on-vehicle)

Disc pad

Rear Disc Pad Quick Inspection (on-vehicle)

  1. 1
    Jack up the rear of the vehicle and support it with safety stands.
  2. 2
    Remove the wheels.
  3. 3
    Sight through the caliper inspection hole and verify the remaining thickness of the pads.
    Rear disc brake assembly on the vehicle with an inset close-up (circle) showing sighting through the caliper inspection hole to check the remaining thickness of the disc pads.
  4. 4
    Replace the pads on the axle as a set if they are at or less than the minimum thickness.
Thicknessmin.
1.0mm {0.04 in}

Replacement

Disc pad

Rear Disc Pad Replacement

  1. 1
    Remove in the order shown in the figure, referring to Removal Note.
    Exploded view of the rear disc brake / caliper assembly with numbered balloon callouts 1-6: bolt, caliper assembly, V-spring, disc pad (marked SST, REPLACE), shim and guide plate, around the hub/rotor. Grease application icons at several points. Tightening torque label points to the bolt: 16-24 N·m {1.6-2.4, 12-17}. Unit note bottom-right: N·m (kgf·m, ft-lbf).
  2. 2
    Inspect all parts and repair or replace as necessary.
  3. 3
    Install in the reverse order of removal, referring to Installation Note.
Parts DiagramFig. fig2
#Part NameNotes
1Bolt—
2Caliper assemblyRemoval / Installation ... page P-38
3V-spring—
4Disc padRemoval Note ... below; Inspection ... page P-39
5Shim—
6Guide plate—

Removal Note

Disc pad

Install the piston with the SST by turning it clockwise until it stops.
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See also

page P-38page P-39

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