Integrated Control Unit: Removal
- Ensure ignition is off. Remove and shield remote ground cable from ground stud on right strut tower. Using a brake pedal positioning tool, apply brake pedal past one inch of travel position, and hold in place.
- Remove speed control servo retaining bolt and 2 nuts. Disconnect electrical connector from speed control servo. With cable attached, position speed control servo aside. Remove windshield washer bottle filler neck retaining screw. Without loosening filler tube, position washer bottle filler neck aside.
- Remove transmission controller and bracket retaining nut and bolt. Transmission controller is located between Power Distribution Center (PDC) and washer bottle filler neck. Lift transmission controller up and move away from mounting position. Thoroughly clean all brakeline-to-Hydraulic Control Unit (HCU) connections and surfaces of HCU with brake cleaner.
- Note location of brake lines for reinstallation reference. Remove primary and secondary master cylinder brake lines at HCU. Remove chassis brake lines at HCU. Grasp lock on 25-pin wiring harness connector at CAB and pull up from connector as far as possible. This will unlock and raise 25-pin connector out of socket on CAB.
- Raise and support vehicle. Remove left front wheel assembly. Remove inner fender splash shield. Remove 3 ICU-to-mounting bracket bolts and remove ICU from mounting bracket. Remove ICU from vehicle by pulling ICU out and around left side of mounting bracket, and then out through wheelwell.