HCU (Hydraulic Control Unit): Installation

Fig 1: ABM Mounting

Courtesy of DAIMLERCHRYSLER CORP.

1 - BRAKE LINES

2 - ABM UNIT

3 - MOUNTING NUTS

NOTE: If the ABM module is being replaced with a new ABM module it must be reprogrammed with the use of a scan tool.

1. Install ABM (2) on the mounting studs (3). See Fig 1.
2. Install mounting nuts. Tighten to 14.1 N.m (125 in. lbs.). See Fig 1.
3. Install brake lines (1) to the ABM (2) and tighten to 20 N.m (180 in. lbs.). See Fig 1.
   Fig 2: Removing/Installing ABM Module & ABM Unit

   Courtesy of DAIMLERCHRYSLER CORP.

   1 - ABM MODULE

   2 - ABM MODULE MOUNTING SCREWS

   3 - ABM UNIT

   4 - ELECTRICAL CONNECTOR

   5 - MOUNTING BRACKET

4. Install wiring harness connector (4) to the ABM (3) and push down on the release to secure the connector. See Fig 2.
5. Install negative battery cable to the battery.
6. Bleed ABS brake system (Refer to BRAKES - STANDARD PROCEDURE)  .