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Brake Bleed Procedure

alfa romeo Brake Bleed Procedure

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Peric Pero
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0% found this document useful (0 votes)
207 views7 pages

Brake Bleed Procedure

alfa romeo Brake Bleed Procedure

Uploaded by

Peric Pero
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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8/19/2019 techCONNECT Content

05 - Brakes/05 - Brakes, Base/Standard Procedure

STANDARD PROCEDURE
Always clean the master cylinder reservoir and cap before checking fluid level.

The fluid fill level is indicated on the side of the master cylinder reservoir.

The correct fluid level is to the MAX indicator on the side of the reservoir. If necessary, add fluid to the proper level.

BLEEDING PROCEDURE BASE

1. Raise and support the vehicle (Refer to 04 - Vehicle Quick Reference/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. Disconnecting the Electronic Control Module (ECM) wire harness connector.

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 22 - Tires and Wheels/Removal and Installation) .

7. Replace the fluid in the pressure bleeder with new fluid meeting the specifications in (Refer to 04 - Vehicle Quick
Reference/Capacities and Recommended Fluids/Specifications) .

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.

9. Working at the right front caliper, position the brake fluid


recovery hose to the INNER bleeder screw (1) and to the
recovery container.

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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.

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.

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 (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.

20. Working at the right rear caliper, position the brake fluid
recovery hose to the bleeder screw (1) and to the recovery
container.

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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 (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 200 HP 280 HP

Left front volume (mm3) 1440 – 2550 1495 – 2755

Right front volume (mm3) 1625 – 2735 1790 – 3050

Right rear volume (mm3) 870 – 1990 870 – 1990

Left rear volume (mm3) 855 – 1975 855 – 1975

28. If any of the values shown in the table is higher than the reference threshold, repeat the bleeding procedure.

29. If after repeating the bleeding procedure, the maximum


values for the rear calipers are still higher than the limit
values, proceed as follows:

30. Identify which calipers are still out of range and remove
them without disconnecting the hose.

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31. Turn the brake caliper very slowly several times to the
various possible positions, stop the motion and keep the
bleeder screw pointing upwards for a few minutes.

32. Install the brake caliper (Refer to 05 - Brakes,


Base/Hydraulic/Mechanical/CALIPER, Disc Brake,
Front/Removal and Installation) .

33. Repeat the bleeding procedure using the scan tool.

34. For vehicles with automatic transmission, disconnect the battery and connect the ECM wire harness connectors.

35. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector
after connecting the negative battery cable.

36. Remove the electric park brake from maintenance mode.

37. Install all four wheels (Refer to 22 - Tires and Wheels/Removal and Installation) .

38. Remove the support and lower the vehicle (Refer to 04 - Vehicle Quick Reference/Hoisting/Standard Procedure) .

BLEEDING PROCEDURE QUADRIFOGLIO

1. Raise and support the vehicle (Refer to 04 - Vehicle Quick Reference/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 22 - Tires and Wheels/Removal and Installation) .

7. Replace the fluid in the pressure bleeder with new fluid meeting the specifications in (Refer to 04 - Vehicle Quick
Reference/Capacities and Recommended Fluids/Specifications) .

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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.

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.

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.

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.

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17. Torque the bleeder screw to the proper (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.

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 (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

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Version Steel Discs Carbon-Ceramic Disks

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 22 - Tires and Wheels/Removal and Installation) .

33. Remove the support and lower the vehicle (Refer to 04 - Vehicle Quick Reference/Hoisting/Standard Procedure) .

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