Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Module, Anti-Lock Brake System (Abs): Installation
- Clean any debris off the mating surfaces of the Hydraulic Control Unit (HCU) and Anti-lock Brake System (ABS) module.CAUTION:
When installing new O-rings or solenoid valve stem seals, do not use any type of lubricant.
- NEW
solenoid valve stems seals (1) and (2) must be installed. Do not reuse solenoid valve stem seals.
- Replace the pump/motor connector O-ring (1) if it is not new. Be sure the O-ring is properly seated in the mounting groove (2).
- Align components and install the ABS module (1) to the HCU (2).
- Install the fasteners (1) attaching the ABS module (2) to the HCU and tighten them to the proper torque specifications. Refer to TORQUE SPECIFICATIONS .
- Install the Integrated Control Unit (ICU) into the vehicle. Refer to INTEGRATED CONTROL UNIT (ICU), INSTALLATION .
If this Electronic Control Unit (ECU) is being replaced with a new unit, a diagnostic scan tool MUST be used to determine if alignment of the PROXI configuration data into the new ECU is needed. If PROXI alignment is needed, follow the routine outlined in the diagnostic scan tool for PROXI Configuration Alignment under the Body Control Module (BCM) Miscellaneous Functions menu.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.