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Rear Brake Caliper Removal/Installation: Notes

WARNING: This page is about a different car, the 2024 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

Replacement Part 

Gasket
Quantity: 2
Location of use: Rear brake hose		 Dust boot
Quantity: 2
Location of use: Rear brake caliper

Oil and Chemical Type 

Brake fluid type [Without Mazda M Hybrid]
Type: SAE J1703 or FMVSS116 DOT-3
WARNING:
  • If the vehicle is driven without ending maintenance mode, it could result in an accident. After performing the maintenance mode work, always end maintenance mode.
CAUTION:
  • Do not empty the brake fluid in the rear brake caliper. Otherwise, the DSC HU/CM or electronically controlled brake unit could be damaged.
  • When disconnecting the brake hose from the rear brake caliper, always plug and seal the rear brake caliper so that brake fluid does not leak.
  • A new rear brake caliper has been plugged sealing off the brake fluid. For this reason, remove the plug of the rear brake caliper directly before installing the rear brake caliper to the vehicle. Other than for this, do not remove the plug of the rear brake caliper.
NOTE:
  • When transitioning to maintenance mode, the electronically controlled brake unit and the electric parking brake functions stop.
  • When transitioning to maintenance mode, the clearance between the rear disc pads and the rear disc plates expands.
  • When the maintenance mode is completed, perform the electric parking brake automatic adjustment.
  • With the electric parking brake automatic adjustment, the electric parking brake motor gear unit operation time is longer than normal.
  1. Switch to the maintenance mode. (See MAINTENANCE MODE .)
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Remove the wheel and tire. (See WHEEL AND TIRE REMOVAL/INSTALLATION .)
    CAUTION:
    • Do not allow moisture, dust or foreign matter to penetrate the connector as it could cause the electric parking brake motor gear unit to malfunction.
  4. Disconnect the electric parking brake motor gear unit connector. (See ELECTRIC PARKING BRAKE MOTOR GEAR UNIT REMOVAL/INSTALLATION .)
  5. Remove in the order indicated in the table.
  6. Install in the reverse order of removal.
  7. End the maintenance mode. (See MAINTENANCE MODE .)
  8. After installation, add brake fluid, bleed the air, and inspect for fluid leakage. (See BRAKE FLUID AIR BLEEDING .)
  9. After installation, pump the brake pedal a few times and inspect the following:
    • Brake drag
    Fig 1: Rear Brake Caliper Components Location With Torque Specification
    G16374264Courtesy of MAZDA MOTORS CORP.
    REAR BRAKE CALIPER COMPONENT OPERATION

    Component no Refer to
    1 Bolt
    2 Brake hose
    (See BRAKE HOSE REMOVAL NOTE .)
    3 Retaining clip
    (See RETAINING CLIP INSTALLATION NOTE .)
    4 Cap
    5 Bolt
    6 Rear brake caliper
    (See REAR BRAKE CALIPER INSTALLATION NOTE .)
    7 Dust boot A
    8 Dust boot B
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