Grand Caravan V6-3.3L VIN R (2005)
NOTE: The chassis brake tube attachment locations to the HCU, are marked on the bottom of the ICU mounting bracket.
3. Install the 6 chassis brake tubes into their correct port locations on the HCU valve block as shown in (Fig. 26). Tighten the tube nuts to a torque of
17 Nm (145 inch lbs.).
NOTE: Before installing the 24-way connector in the CAB be sure the seal is properly installed in the connector.
4. Install the 24-way connector (Fig. 24) on the CAB using the following procedure. Position the 24-way connector in the socket of the CAB and
carefully push it down as far as possible. When connector is fully seated by hand into the CAB socket, push in the connector lock (Fig. 25). This
will pull the connector into the socket of the CAB and lock it in the installed position.
NOTE: The CAB wiring harness must be clipped to the ICU mounting bracket. This will ensure the wiring harness is properly routed and does
not contact the brake tubes or the body of the vehicle.
5. Clip the cab wiring harness (Fig. 24) to the ICU mounting bracket.
6. Install the routing clips (Fig. 32) on the brake tubes.
7. Lower the vehicle.
8. Connect negative cable back on negative post of the battery.
9. Bleed the base and ABS hydraulic systems.
10. Road test vehicle to ensure proper operation of the base and antilock brake systems.
MK25E
INTEGRATED CONTROL UNIT (ICU) - MK25E
REMOVAL
1. Disconnect the negative (ground) cable from the battery and isolate it.
2. Remove the battery shield and battery.
3. Disconnect the vacuum hose connector at the tank built into the battery tray.
4. Remove the screw securing the engine coolant filler neck to the battery tray.
5. Remove the battery tray.
6. Using a brake pedal depressor, move and lock the brake pedal to a position past the first inch of pedal travel. This will prevent brake fluid from
draining out of the master cylinder once the brake tubes are removed from the ICU.
7. Disconnect the wiring harness connector from the speed control servo.
8. Remove the speed control servo mounting nuts and move the servo out of the way.