Brake Control Assembly

1996 Chevrolet Lumina APV Van PassengerSECTION Brake Control Assembly
  1. Clean master cylinder reservoir cover and surrounding area. Remove reservoir cap. Ensure reservoir is full. Attach Bleeder Adapter (J-35589) to reservoir. Attach bleeding equipment and pressurize system to 10 psi (.7 kg/cm2 ) for 30 seconds to ensure there are no leaks.
  2. Slowly increase pressure to 35 psi (2.5 kg/cm2 ). Attach a clear hose to rear bleeder valve and submerge other end of hose in clean container. SeeFigure . Slowly open rear bleeder valve. Allow fluid to flow until no air bubbles are seen in hose. Close valve and repeat procedure for front bleeder valve.
    CAUTION: DO NOT allow brake fluid to contact motor pack or electrical connectors. Premature failure of motor pack may result.
  3. To bleed unit at brake pipe connections, position shop towel below brake pipes. Using flare wrench, slightly open front brake pipe fitting at brake control assembly. Allow air to escape and then tighten fitting. Bleed remaining brake pipe connections at brake control valve from front to rear.
RENDER: 1.0x

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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.