Electronic Brake Control Module: Service and Repair

Fig. 115 ABS Module & Hydraulic Control Unit Assembly (Part 1 Of 2):

Removal
1. Disconnect and remove battery from vehicle.
2. Remove battery tray and mounting bracket from vehicle.
3. Disconnect anti-lock brake wiring connector from anti-lock brake control module.
4. Remove two tubes from inlet ports and four tubes from outlet ports of anti-lock brake hydraulic control unit. Plug each port to prevent brake fluid from spilling onto paint and wiring.
5. Remove screw and anti-lock pump motor ground strap.
6. Remove three nuts retaining anti-lock brake control module assembly to anti-lock brake hydraulic control bracket and remove assembly from vehicle.
7. Remove three anti-lock brake hydraulic control bracket mounting bolts and anti-look brake hydraulic control bracket.

8. NOTE: Use caution removing control module from hydraulic control unit to avoid damage to the internal connector.

Remove five screws from anti-lock brake control module.
9. Remove anti-lock brake control module from anti-lock brake hydraulic control unit.


Installation
1. Position anti-lock brake control module onto anti-lock brake hydraulic control unit.
2. Install five screws.
3. Install anti-lock brake control module.
4. Position anti-lock brake hydraulic control bracket. Install three mounting bolts. Tighten to 26 - 34 Nm (20 - 25 ft. lbs.).
5. Position anti-lock brake control module assembly into anti-lock brake hydraulic control bracket. Install three retaining nuts and tighten to 16 - 24 Nm (12 - 17 ft. lbs.). Install anti-lock pump motor ground strap to frame rail. Tighten screw to 8 - 10 Nm (71 - 88 inch lbs.).
6. Connect four tubes to outlet ports on side of anti-lock brake hydraulic control unit and two tubes to inlet ports of anti-lock brake hydraulic control unit and tighten tube nuts to 14 - 24 Nm (11 - 17 ft. lbs.).
7. Connect connector to antilock brake control module. Tighten connector retaining bolt to 4.8 Nm (42 inch lbs.).
8. Install mounting bracket and battery tray.
9. Install battery and connect cables.
10. Bleed anti-lock brake control module.