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Home >> Jeep >> 2008 >> Wrangler X, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Electronic Control Modules (Service Information) >> Electronic Control Modules >> Module-Antilock Brake >> Removal >> Module-Antilock Brakes
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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.