Hydraulic Control Assembly - Antilock Brakes: Service and Repair

Hydraulic Control Unit (HCU)

Special Service Tools






Brake pedal hold down tool

JDS9013

Removal

CAUTION: Brake fluid will damage paint finished surfaces. If spilled, immediately remove the fluid and clean the area with water.
1
WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
Raise and support the vehicle.
2 Remove the cover and disconnect the battery ground cable. For additional information, refer to Specifications
3 Remove the front LH fender splash shield. For additional information, refer to Fender Splash Shield Fender Splash Shield
4
NOTE:
To prevent the loss of brake fluid, using the special tool apply the brake pedal and set to 40mm ( 1.6 in ) below the rest position.
Using the special tool, press and hold the brake pedal.




5 Disconnect the hydraulic control unit (HCU) electrical connector.
- Carefully release the clip.




6
CAUTION: Always plug any open connections to prevent contamination.
NOTE:
Some fluid spillage is inevitable during this operation.
Disconnect the 6 brake pipe unions.




7
NOTE:
Note the fitted position of the locating pegs.
Remove the HCU and pipe assembly.
- Remove the 3 Torx bolts.




8
CAUTION: Always plug any open connections to prevent contamination.
Remove the HCU.
- Disconnect the 6 brake pipe unions.




9
NOTE:
Do not disassemble further if the component is removed for access only.
Remove the HCU bracket.
- Remove the 3 Torx bolts.

Installation
1 Install the HCU bracket.
- Tighten the Torx bolt to 10 Nm (7 lb.ft).
2 Connect the brake pipe unions.
- Tighten the brake line unions to 17 Nm (13 lb.ft).
3
NOTE:
When installing the HCU , make sure the locating peg fits securely into the grommet.
Install the HCU and pipe assembly.
- Position the locating peg.
- Tighten the Torx bolts to 10 Nm (7 lb.ft).
- Tighten the brake line unions to 17 Nm (13 lb.ft).
4 Connect and secure the electrical connector.
5 Remove the special tool.
6 Bleed the brake system. For additional information, refer to Brake System Bleeding Service and Repair
7 Install the fender splash shield. For additional information, refer to Fender Splash Shield Fender Splash Shield
8 Connect the battery ground cable and install the cover. For additional information, refer to Specifications
9 Using WDS, configure a new HCU.