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.
Anti-Lock Brake System Module - Installation
2009 Jeep Wrangler 2WD V6-3.8LSECTION Anti-Lock Brake System Module - Installation
INSTALLATION
CAUTION: When removing ABM from HCU, be sure to completely separate the two components (approximately 38 mm (1.5 in.) before removing ABM. Otherwise, damage to the pressure sensor or Pump Motor connection may result requiring HCU replacement. Do not to touch the sensor terminals on the HCU side or the contact pads on the ABM side as this may result in contamination and issues in the future.
NOTE: If the ABM is being replaced with a new ABM is must be reprogrammed with the use of a scan tool.
1. Install the ABM on the HCU and tighten then screws to 2 Nm (16 in. lbs.).
2. Install HCU/ABM (2AND3) on the mounting studs (4).
3. Install mounting nuts and bolt (4). Tighten to 11.5 Nm (102 in. lbs.).
4. Install brake lines (2) to the HCU (4) and tighten to 19 Nm (170 in. lbs.).
5. Install wiring harness connector (2) to the ABM and push down on the release (1) to secure the connector.
6. Install the master cylinder Brake Master Cylinder - Installation.
7. Install negative battery cable to the battery.
8. Bleed ABS brake system Service and Repair.
RENDER: 1.0x
NO RELATED
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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.