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HOMESERVICE MANUALSJEEP2008WRANGLER X, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESELECTRONIC CONTROL MODULES (SERVICE INFORMATION)ELECTRONIC CONTROL MODULESMODULE-ANTILOCK BRAKEREMOVALMODULE-ANTILOCK BRAKES
2008 Jeep Wrangler X, Automatic

Module-Antilock Brakes

2008 Jeep Wrangler X, AutomaticSECTION Module-Antilock Brakes
Fig 1: Identifying ABM Electrical Connector Components
GC0063902Courtesy of CHRYSLER LLC
  1. Remove the master cylinder. Refer to REMOVAL .
  2. Install prop rod on the brake pedal to keep pressure on the brake system.
  3. Remove negative battery cable from the battery.
  4. Pull up on the ABM harness connector release (1) and remove connector (2).
    Fig 2: Identifying HCU Lines Components
    GC0063903Courtesy of CHRYSLER LLC
  5. Remove brake lines (2) from the HCU (4).
    Fig 3: Identifying HCU, Bolt And ABM
    GC0063904Courtesy of CHRYSLER LLC
  6. Remove HCU/ABM mounting nuts and bolt (4) and remove HCU (2)/ABM (3) as an assembly.
    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.
  7. Remove the ABM from the HCU.
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.