Hydraulic Control Assembly - Antilock Brakes: Service and Repair

HCU (HYDRAULIC CONTROL UNIT)

REMOVAL

NOTE: Store the Hydraulic Control Unit in an upright position only.

1. Disconnect the ground cable at the battery. The ignition switch must be switched to the off position when disconnecting the battery cable.





2. Disconnect the multiplug from the control module (Fig. 5).
3. Disconnect the brake lines from the hydraulic control unit (Fig. 5). Mark the brake lines for reinstallation, also seal off the connections and lines to prevent contamination.
4. Remove the hydraulic control unit from the bracket (Fig. 5).
5. Check the rubber mounts on the bracket. (Replace if necessary) (Fig. 5).

INSTALLATION
1. Install the hydraulic control unit into the rubber mounts (Fig. 5).
2. Reconnect the brake lines to the hydraulic control unit (Fig. 5). Do not mix up the brake lines. Tighten the lines to 16 Nm (142 inch lbs.)
3. Reconnect the multiplug to the control module (Fig. 5).
4. Reconnect the ground cable on the battery.
5. Bleed the brake system.
6. Check the fluid in the reservoir and correct if necessary.
7. Perform function test.