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Brake Control Assembly (Bleeding)

  1. Verify reservoir is full. Attach a clear hose to rear bleeder valve and submerge other end of hose in clean container.
  2. Press and hold brake pedal. Slowly open rear bleeder and allow fluid to flow. Close valve and release brake pedal. Wait 5 seconds, repeat procedure until no air bubbles are seen in hose. Repeat procedure for front bleeder valve.
  3. Turn ignition on. Apply moderate force to brake pedal, noting travel and feel. If pedal is firm and travel is not excessive, start engine and recheck. If okay, go to step 6). If pedal feels soft or has excessive travel, go to next step.
  4. To ensure all trapped air has been removed from the brake control assembly, connect Tech 1 scan tool to DLC. Using Tech 1, release then apply each ABS motor 2-3 times and cycle each ABS solenoid 5-10 times. When finished, apply front and rear motors to return pistons to upper position. DO NOT drive vehicle. Repeat manual bleeding procedure.
  5. If Tech 1 scan tool is not available, with foot off brake pedal run engine for at least 10 seconds to initialize ABS. DO NOT drive vehicle. After 10 seconds, turn ignition off. Repeat procedure 5 times to ensure trapped air has been dislodged from brake control assembly. Repeat manual bleeding procedure.
  6. Road test vehicle, making several normal (non ABS) stops from a moderate speed.
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