How to carry out replacement: Brake Discs 1.6 MZR (BL12) MAZDA 3 Saloon (BL)
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Change MAZDA 3 Saloon (BL) 2.0 Brake Discs yourself – manuals and video tutorials

How to change front brake discs on MAZDA 3 Saloon (BL) – replacement guide

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When to replace the Brake Discs on your MAZDA 3
Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
MAZDA 3 Saloon (BL) 1.6 MZR CD (BL12), MAZDA 3 Saloon (BL) 2.2 MZR CD (BL10), MAZDA 3 Saloon (BL) 2.0 MZR DISI (BL12), MAZDA 3 Saloon (BL) 1.6 MZR (BL12), MAZDA 3 Saloon (BL) 1.6 MZR CD (BL14) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Brake Discs for 3 Saloon (BL) and other MAZDA models
Alternative products
How to change Brake disc on MAZDA 3 Saloon (BL) 1.6 MZR (BL12) – step-by-step instructions for straightforward car repair Brake disc
Tools
Replacement: brake discs – MAZDA 3 Saloon (BL). List of the tools you'll need:
Wire brush
Nylon cleaning brush
WD-40 spray
Brake cleaner
Sealant
Brake caliper guide pins grease
Copper grease
HEX bit no.H7.
Drive socket # 17
Wheel impact socket #19
Ratchet wrench
Torque wrench
Brake caliper wind back tool
Crow bar
Flat Screwdriver
Round-nose pliers
Wheel chock
Buy tools
AUTODOC recommends:
  • Replace the brake disks on the car MAZDA 3 Saloon (BL) in complete set for each axis. Regardless of the state of components. This will ensure even braking.
  • The replacement procedure is identical for both brake disks on the same axle.
  • When changing the brake discs, always replace the brake pads.
  • Please note: all work on the car – MAZDA 3 Saloon (BL) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet. Unscrew the brake fluid reservoir cap.
    Step 2
    How to change Brake Discs on MAZDA 3 Saloon (BL) 2008 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 3
    How to replace MAZDA 3 Saloon (BL) 1.6 MZR (BL12) 2009 Brake Discs - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #19.
  3. Step 4
    Raise the front of the car and secure on supports.
    Step 5
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    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. MAZDA 3 Saloon (BL)
  4. Step 6
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    Remove the wheel.
  5. Step 7
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    Detach the brake caliper retaining spring. Use a flat screwdriver.
  6. Step 8
    How to replace Brake Discs on MAZDA 3 Saloon (BL) 2013: download PDF manuals and video instructions
    Remove the dust boot caps of the brake caliper guide pins. Use a flat screwdriver.
  7. Step 9
    Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
    Step 10
    How hard is it to do yourself: Brake Discs replacement on MAZDA 3 Saloon (BL) 2.0 (BLFFP) 2014 - download illustrated guide
    Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
  8. Step 11
    Remove the guide pins from the brake caliper.
    Step 12
    Spread the brake pads. Use a crowbar.
    Step 13
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    Remove the brake caliper.
    Replacement: brake discs – MAZDA 3 Saloon (BL). Professionals recommend:
    Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
  9. Step 14
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    Remove the brake pads.
  10. Step 15
    MAZDA 3 2.0 Brake Discs replacement: online guides and video tutorials
    Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
  11. Step 16
    Replacing Brake Discs on MAZDA 3 Saloon (BL) 2018 1.6 MZR (BL12) by yourself
    Unscrew the caliper bracket fastening. Use a drive socket #17. Use a ratchet wrench.
  12. Step 17
    Remove the fastening bolts (2 pieces).
    Step 18
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    Remove the caliper bracket.
  13. Step 19
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    Remove the brake disc.
  14. Step 20
    Step-by-step recommendations for DIY replacement MAZDA 3 Saloon (BL) 2021 2.0 MZR DISI (BL12) Brake Discs
    Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
  15. Step 21
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    Install the brake disc.
  16. Step 22
    How to change Brake Discs on MAZDA 3 Saloon (BL) 2008 - free PDF and video manuals
    Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
    AUTODOC recommends:
    Replacement: brake discs – MAZDA 3 Saloon (BL). After applying the spray, wait a few minutes.
  17. Step 23
    Treat the brake caliper bracket fasteners. Use a sealant.
    Step 24
    How to replace MAZDA 3 Saloon (BL) 1.6 MZR (BL12) 2009 Brake Discs - step-by-step manuals and video guides
    Install the brake caliper bracket.
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