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Home >> Cadillac >> 2008 >> XLR Base >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System, Traction Control System & Stability Control System >> Repair Instructions >> Brake Pressure Modulator Valve Replacement (with LH2) >> Removal Procedure

Removal Procedure

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  3. Drain the coolant system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (GE 47716) .
  4. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  5. Remove the air inlet duct. Refer to Air Cleaner Inlet Duct Replacement .
  6. Disconnect the upper radiator hose. Refer to Radiator Inlet Hose Replacement .
    7. Fig 1: View Of Surge Tank Inlet Hose
    GM932444Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the surge tank inlet hose. Refer to Radiator Surge Tank Inlet Hose/Pipe Replacement .
  8. Position both hoses aside in order to gain access.
  9. Remove the belt tensioner. Refer to Drive Belt Tensioner Replacement .
    10. Fig 2: View Of Brake Fluid Pressure Sensor Connector & Nuts
    GM1274762Courtesy of GENERAL MOTORS CORP.
  10. Disconnect the brake fluid pressure sensor connector.
  11. Loosen the two insulator nuts located on each side of the brake pressure modulator valve (BPMV).
    12. Fig 3: View Of Master Cylinder
    GM1274764Courtesy of GENERAL MOTORS CORP.
  12. Disconnect and plug the brake pipes that enter the BPMV from the master cylinder (1).
    13. Fig 4: View Of Brake Pipe Locations
    GM1274763Courtesy of GENERAL MOTORS CORP.
  13. Disconnect and plug the brake pipes that enter the BPMV from the front and rear calipers, noting their locations (1).
  14. Disconnect the electronic brake control module (EBCM) connector.
  15. Remove the BPMV/EBCM.
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