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Home >> Mazda >> 2022 >> 3 Base >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Electronically Controlled Brake System (Service Information) >> Electronically Controlled Brake Unit Removal/Installation [L.H.D.] >> Electronically Controlled Brake Unit Component Installation Note

Electronically Controlled Brake Unit Component Installation Note

  1. Add brake fluid up to approx. 10 mm {0.39 in} above the MAX line of the reserve tank (sub).
    G14581010Courtesy of MAZDA MOTORS CORP.
  2. Guide the air in clutch area A in the reserve tank (main) to connection port B while tilting the electronically controlled brake unit.
  3. Guide the air in float area C in the reserve tank (main) to connection port B while tilting the electronically controlled brake unit.
    G14581011Courtesy of MAZDA MOTORS CORP.
  4. Tilt the hose between the electronically controlled brake unit and the reserve tank (sub) as shown in the figure.
    G14581012Courtesy of MAZDA MOTORS CORP.
  5. Tilt the electronically controlled brake unit in each direction shown in the figure and verify that there is no air on the fluid surface in the reserve tank (main).
    G14581013Courtesy of MAZDA MOTORS CORP.
  6. Align the brake fluid in the reserve tank (sub) with the MAX line and install it to the vehicle.
    NOTE:
    • After installing the electronically controlled brake unit, if the brake fluid in the reserve tank (sub) is higher than the MAX line, there is air in the brake fluid. Repeat from Step  1 to Step  5.