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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Base Brakes (Service Information) >> Standard Procedure >> Bleeding Procedure QUADRIFOGLIO

Bleeding Procedure QUADRIFOGLIO

  1. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
  2. With the ignition in the run position place the electric park brake in maintenance mode by selecting: menu, settings, driver assistance, auto park brake, off, brake service, yes. Then place the ignition in the off position.
  3. Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable.
  4. For vehicles with automatic transmission, disconnect the Electronic Control Module (ECM) wire harness connectors.
  5. For vehicles with automatic transmission, to prevent the engine from being accidentally started only reconnect the battery after disconnecting the ECM wire harness connector.
  6. Remove all four wheels. Refer to REMOVAL AND INSTALLATION .
  7. Replace the fluid in the pressure bleeder with new fluid meeting the specifications in. Refer to CAPACITIES AND RECOMMENDED FLUIDS, SPECIFICATIONS .
    GC0194466Courtesy of CHRYSLER GROUP, LLC
  8. Connect the pressure bleeder (1) to the brake fluid reservoir and pressurize the system.
    NOTE:

    The pressure must be 29 - 43 psi during the first stage and second stage described below.

    GC0196105Courtesy of CHRYSLER GROUP, LLC
  9. Working at the right front caliper, position the brake fluid recovery hose to the INNER bleeder screw (1) and to the recovery container.
  10. Open the INNER bleeder screw (1) and without applying any pedal pressure on the system, allow a small amount of brake fluid to drain into the recovery container. Then tighten the bleeder screw and remove the recovery hose.
  11. Repeat the procedure on the left front caliper.
    GC0197313Courtesy of CHRYSLER GROUP, LLC
  12. Working at the right rear caliper, position the brake fluid recovery hose to the bleeder screw (1) and to the recovery container.
  13. Open the bleeder screw (1) and without applying any pedal pressure on the system, allow a small amount of brake fluid to drain into the recovery container. Then tighten the bleeder screw and remove the recovery hose.
  14. Repeat the procedure for the left rear caliper.
    GC0196105Courtesy of CHRYSLER GROUP, LLC
  15. Working at the left front caliper, position the brake fluid recovery hose to the INNER bleeder screw (1) and to the recovery container.
  16. Open the bleeder screw and slowly press the brake pedal down fully three or more times, until there are no more air bubbles in the recovery hose.
  17. Torque the bleeder screw to the proper specification. Refer to TORQUE SPECIFICATIONS  .
  18. Repeat the bleed procedure on the OUTER bleeder screw of the left front caliper.
  19. Repeat the bleed procedure on the right front caliper.
    GC0197313Courtesy of CHRYSLER GROUP, LLC
  20. Working at the right rear caliper, position the brake fluid recovery hose to the bleeder screw (1) and to the recovery container.
  21. Open the bleeder screw allowing a small amount of brake fluid to drain into the recovery container. With the bleeder still open, have the assistant press the brake pedal three times and close the bleeder if the fluid is free from air.
  22. Tighten the bleeder screw (1) to the proper specification. Refer to TORQUE SPECIFICATIONS  .
  23. Repeat the procedure for the left rear caliper.
  24. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector after connecting the negative battery cable.
  25. Connect a scan tool.
  26. Start the Replace Control Unit function, check for air in the hydraulic circuit between the control unit and the brake caliper.
  27. Check that the volumes of the Left Front, Right Front, Rear Right, and Left Rear shown on the scan tool are equal to or less than the maximum shown in the table.
    Version Steel Discs Carbon-Ceramic Disks
    Left front volume (mm3)  1450 - 2560 1900 - 3110
    Right front volume (mm3)  1580 - 2690 2190 - 3400
    Right rear volume (mm3)  830 - 1920 750 - 1840
    Left rear volume (mm3)  815 - 1905 735 - 1825
  28. If any of the values shown in the table is higher than the reference threshold, repeat the bleeding procedure.
  29. For vehicle with automatic transmission, disconnect the battery and connect the ECM wire harness connector.
  30. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector after connecting the negative battery cable.
  31. Remove the electric park brake from maintenance mode.
  32. Install all four wheels. Refer to REMOVAL AND INSTALLATION .
  33. Remove the support and lower the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
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