Antilock Brake Module (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.

CAUTION: Before disassembling the ICU, the ICU must be thoroughly cleaned. This must be done to prevent dirt particles and debris from entering into vital areas of the ICU.

6. Thoroughly clean all surfaces of the ICU and brake tubes. Use only a solvent such as Mopar Brake Parts Cleaner or equivalent.

ABM Connector Release Tabs:

Wiring Harness Connector At ABM:

7. Disconnect the 47-way connector from the antilock brake module (ABM) by depressing the tabs on each side of the connector cover, then pulling outward and upward on the lower half of the cover until it locks into position pointing straight outward. The connector can then be pulled straight outward off the ABM.

ABM Mounting Screws Without Traction Control:

8. If not equipped with traction control, remove the three screws attaching the ABM to the HCU.

ABM Mounting Screws With Traction Control:

9. If equipped with traction control, remove four screws attaching the ABM to the HCU.

ABM Assembly To HCU:

10. Separate the ABM from the HCU.

INSTALLATION
1. Clean any debris off the mating surfaces of the HCU and ABM.

CAUTION:
- Do not reuse internal pump connector O-ring or solenoid valve stem seals. They must be replaced to ensure proper sealing.
- When installing new O-rings or solenoid valve stem seals, do not use any type of lubricant.

Solenoid Valve Seal:

2. Replace solenoid valve stem seals. These seals can be easily removed and installed by hand. Do not use any type of sharp instrument or damage to the components may occur.

Internal Pump Connector O-Ring:

3. Replace pump/motor connector O-ring if not new.
4. Align components and install the ABM on the HCU.
5. If not equipped with traction control, install the three screws attaching the ABM to the HCU. Tighten the mounting screws to 2 N.m (17 in. lbs.) torque.
6. If equipped with traction control, install the four screws attaching the ABM to the HCU. Tighten the mounting screws to 2 N.m (17 in. lbs.) torque.
7. With connector cover completely open, install 47-way wiring connector into socket of the ABM and close cover, locking connector in place.
8. Install the battery tray.
9. Install the screw securing the coolant filler neck to the battery tray.
10. Reconnect the vacuum hose connector at the tank built into the battery tray.
11. Install the battery and battery shield.
12. Connect the negative cable on the battery negative post.
13. Hook up a scan tool to initialize ABM and check for any faults.
14. Road test vehicle to ensure proper operation of brakes.