Anti-Lock Brake System Module - Installation

2009 Jeep Commander 2WD V8-4.7LSECTION 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 new seals between the ABM and HCU.
2. Install the ABM (1) to the HCU (2).










3. Install the 3 ABM (1) mounting bolts to the HCU (2) if removed tighten mounting bolts to 12 Nm (9 ft. lbs.).





4. Install the HCU (3) with bracket (5) to the vehicle and tighten the 2 mounting nuts.





5. Reconnect the HCU electrical connector (5).
6. Install the 4 chassis lines (3) at the HCU (4).
7. Install the secondary brake tube at the HCU (4).
8. Install the secondary brake tube at the master cylinder.
9. Install the primary brake tube at the HCU (4).
10. Install the primary brake tube at the master cylinder.

11. Install negative battery cable to the battery.
12. Remove the brake pedal prop rod.
13. Bleed base and ABS brake systems,Service and Repair.
14. Connect the scan tool and initialize the ABM by performing the ABS Verification Test ABS Verification Test.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.