Sebring 2006

Hydraulic Control Module

Print

Removal & Installation



The hydraulic control module, also called the Hydraulic Control Unit (HCU), is mounted to the Antilock Brake Module (ABM) as part of the Integrated Control Unit (ICU). The HCU controls the flow of brake fluid to the brakes using a series of valves and accumulators. A pump/motor is mounted on the HCU to supply build pressure to the brakes during an ABS stop. The ICU is located below the air cleaner housing on the lower radiator support.

Click image to see an enlarged view

Fig. The Integrated Control Unit (ICU): includes the Antilock Brake Module (ABM), the Hydraulic Control Unit (HCU), and the Pump/Motor

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove the remote ground cable from the ground stud on the left strut tower.
  4.  
  5. Correctly isolate the remote ground cable when servicing the vehicle by installing the ground cable insulator on the strut tower ground stud. This will prevent accidental grounding of the remote ground cable.
  6.  
  7. Using a brake pedal positioning tool, depress the brake pedal past the first 1 inch of travel and hold it in this position. This will isolate the master cylinder reservoir from the brake hydraulic system, not allowing the brake fluid to drain out of the reservoir.
  8.  
  9. Remove the air cleaner housing.
  10.  
  11. Clean any debris away from the fittings on top of the Integrated Control Unit (ICU).
  12.  
  13. Remove the 2 brake tubes coming from the primary and secondary master cylinder ports at the ICU.

    Click image to see an enlarged view

    Fig. Primary brake tube (1), secondary brake tube (2), left front chassis brake tube (3) and ICU (4)

  14.  
  15. Remove the left front chassis brake tube at the ICU.
  16.  
  17. Remove the right front chassis brake tube at the ICU.

    Click image to see an enlarged view

    Fig. Routing clips (1), right front chassis brake tube (2), and ICU (3)

  18.  
  19. Remove the rear chassis brake tubes at the ICU.

    Click image to see an enlarged view

    Fig. ICU (1), left front chassis brake tube (2), and right front chassis brake tube (3)

  20.  
  21. Raise and safely support the vehicle.
  22.  
  23. Disconnect the 47-way connector from the Antilock Brake Module (ABM) by depressing the tabs on each side of the connector cover, then pulling outward and upward on the lower half of the cover until it locks into position pointing straight outward.

    Click image to see an enlarged view

    Fig. ABM connector release tabs

    1. The connector can then be pulled straight outward off the ABM.
    2.  

  24.  
  25. Remove the 3 screws fastening the ICU to the lower radiator support.
  26.  
  27. Remove the ICU from the vehicle.

    Click image to see an enlarged view

    Fig. ICU (1), upper mounting screw (2), lower radiator support (3), and lower mounting screw (4)

  28.  

To install:

  1. Install the ICU with the bracket in position on the lower radiator support.

    Click image to see an enlarged view

    Fig. ICU (1), upper mounting screw (2), lower radiator support (3), and lower mounting screw (4)

  2.  
  3. Install the 2 upper mounting screws and 1 lower mounting screw. Tighten the 3 ICU mounting screws to 21 ft. lbs. (28 Nm).
    WARNING
    Before installing the 47-way connector in the ABM, be sure that the seal is properly installed.

  4.  
  5. Install the 47-way wiring connector into the socket of the ABM and close the cover, locking the connector in place.
  6.  
  7. Lower the vehicle.
  8.  
  9. Install the rear chassis brake tubes at the ICU. Using a crowsfoot wrench, tighten the tube nuts to 145 inch lbs. (17 Nm).

    Click image to see an enlarged view

    Fig. ICU (1), left front chassis brake tube (2), and right front chassis brake tube (3)

  10.  
  11. Install the right front chassis brake tube at the ICU. Using a crowsfoot wrench, tighten the tube nuts to 145 inch lbs. (17 Nm).

    Click image to see an enlarged view

    Fig. Routing clips (1), right front chassis brake tube (2), and ICU (3)

  12.  
  13. Install the left front chassis brake tube at the ICU. Using a crowsfoot wrench, tighten the tube nuts to 145 inch lbs. (17 Nm).

    Click image to see an enlarged view

    Fig. Primary brake tube (1), secondary brake tube (2), left front chassis brake tube (3), and ICU (4)

  14.  
  15. Install the 2 brake tubes coming from the primary and secondary master cylinder ports at the ICU.
  16.  
  17. Using crowsfoot wrench, tighten the tube nuts to 145 inch lbs. (17 Nm).
  18.  
  19. Install the air cleaner housing.
  20.  
  21. Remove the brake pedal holding tool.
  22.  
  23. Install the remote ground cable onto the ground stud located on the left shock tower.
  24.  
  25. Bleed the base and ABS brake hydraulic system. Refer to the brake bleeding procedures.
  26.  
  27. Road test the vehicle to ensure the proper operation of the base and ABS systems.
  28.  

 
label.common.footer.alt.autozoneLogo