Grand Cherokee 2006-2007

Hydraulic Control Module

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Removal & Installation



  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Remove the negative battery cable from the battery.
  4.  
  5. Install a brake pedal prop rod.
  6.  
  7. Siphon the master cylinder.
  8.  
  9. Remove the primary brake line at the master cylinder.
  10.  
  11. Remove the primary brake line from the Hydraulic Control Unit (HCU).
  12.  
  13. Remove the secondary brake tube at the master cylinder.
  14.  
  15. Remove the secondary brake tube at the HCU.
  16.  
  17. Remove the 4 chassis lines at the HCU.
  18.  
  19. Disconnect the HCU electrical connectors.
  20.  
  21. Remove the mounting nuts at the HCU bracket.
  22.  
  23. Remove the HCU with the bracket from the vehicle.
  24.  

To install:

  1. Install the HCU with bracket to the vehicle and tighten the 2 mounting nuts.
  2.  
  3. Install the 4 chassis lines at the HCU.
  4.  
  5. Install the secondary brake line at the HCU.
  6.  
  7. Install the secondary brake line at the master cylinder.
  8.  
  9. Install the primary brake line at the HCU.
  10.  
  11. Install the primary brake line at the master cylinder.
  12.  
  13. Reconnect the HCU electrical connector.
  14.  
  15. Install negative battery cable to the battery.
  16.  
  17. Remove the brake pedal prop rod.
  18.  
  19. Bleed the base and ABS brake systems.

    Click image to see an enlarged view

    Fig. HCU and ABM assembly

  20.  

 
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