ICU (Integrated Control Unit): Assembly

Clean any debris off the mating surfaces of the HCU and ABM.
CAUTION: When installing new O-rings or solenoid valve stem seals, do not use any type of lubricant.
If the seals on the components are not new, they must be replaced. Each of the solenoid valve stem seals must be replaced. See Fig 1. DO NOT reuse solenoid valve stem seals . The pump/motor connector O-ring should also be replaced if not new. See Fig 2.

Fig 1: Solenoid Valve Seal
Courtesy of DAIMLERCHRYSLER CORP.

1 - SEAL

2 - SOLENOID VALVE STEM

Fig 2: Internal Pump Connector O-Ring
Courtesy of DAIMLERCHRYSLER CORP.

1 - O-RING

2 - O-RING MOUNTING GROOVE
Align components and install the ABM on the HCU. See Figure.
Install the four screws attaching the ABM to the HCU. See Figure. Tighten the mounting screws to 2 N.m (17 in. lbs.) torque.
If the mounting bracket needs to be installed, install the mounting pins in the ICU as necessary and tighten to 11 N.m (97 in. lbs.) torque. Insert the mounting pins into the grommets mounted in the bracket, then install the single mounting bolt. See Figure. Tighten the mounting bolt to 11 N.m (97 in. lbs.) torque.
Install the ICU in the vehicle. (Refer to BRAKES/HYDRAULIC/MECHANICAL/ICU (INTEGRATED CONTROL UNIT) - INSTALLATION) .