Camaro, Firebird, 1999 - 2002

Hydraulic Control Unit

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Removal & Installation




WARNING
To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect battery negative cable from battery and properly isolate to prevent accidental reconnection.
  4.  
  5. Turn the ignition switch to the OFF position.
  6.  
  7. Pull out the lock tab from the EBCM harness connector.
  8.  
  9. Disconnect the EBCM harness connector.
  10.  
  11. Disconnect the pump motor connector (3) at the bottom of the EBCM.
  12.  
  13. Remove the 6 screws which secure the EBCM to the BPMV. Discard the screws.
  14.  
  15. Separate the EBCM from the BPMV by gently pulling apart until separated.
    NOTE
    Note the location and the orientation of the wave spring in order to aid during installation.

  16.  
  17. If the vehicle is equipped with ABS/TCS remove and discard 2 wave springs between the EBCM and BPMV.
    NOTE
    Note the location and the orientation of the wave spring in order to aid during installation.

  18.  
  19. If the vehicle is equipped only with ABS, remove and discard one wave spring (1) between the EBCM and BPMV.

    Click image to see an enlarged view

    Fig. EBCM and BPMV, external view, removed from vehicle.

  20.  

To install:


NOTE
Use only new wave springs and screws supplied with the new EBCM.

  1. Clean the BPMV gasket surface with denatured alcohol using a clean rag.
  2.  
  3. If the vehicle is equipped with ABS/TCS, install two wave springs between the EBCM and BPMV. Use the locations and orientation noted during removal.
  4.  
  5. If the vehicle is equipped only with ABS, install one wave spring between the EBCM and BPMV. Use the location and orientation noted during removal.
  6.  
  7. Install the EBCM to the BPMV and tighten the screws as follows:

    Tighten the top 4 mounting screws to 26 inch lbs. (2.9 Nm) in a crisscross pattern.
     
    Tighten the bottom 2 mounting screws to 26 inch lbs. (2.9 Nm)
     

  8.  
  9. Connect the pump motor connector (3) to the bottom of the EBCM.
  10.  
  11. Connect the EBCM harness connector. Push in the lock tab.
  12.  
  13. Turn the ignition switch to the RUN position, with the engine off.
  14.  
  15. Reconnect negative battery cable.
  16.  

 
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