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Pressure Bleeding (Non-Abs)

  1. Deplete vacuum reserve from power brake booster by depressing brake pedal several times with engine off. Clean master cylinder reservoir cap and surrounding area. Remove cap. Ensure diaphragm type pressure bleeder tank is at least 1/2 full of brake fluid and charged with 20-25 psi (1.40-1.76 kg/cm2 ) air pressure. Connect tank to master cylinder using proper adapter(s).
  2. Raise and support vehicle. Attach bleeder hose to first bleeder valve to be serviced. See BRAKELINE BLEEDING SEQUENCE  table under MANUAL BLEEDING. Place other end of hose in clean transparent container. Partially fill container with clean brake fluid until end of hose is submerged in fluid.
  3. Open release valve on pressure bleeder. Open first bleeder valve at least 3/4 of a turn. When fluid flowing into container is clear and free of bubbles, close bleeder valve securely. Open each remaining bleeder valve in turn to finish bleeding system. Disconnect pressure tank from master cylinder. Check brake fluid level. Fill as necessary.
  4. Ensure brake pedal feels firm and constant, not spongy. If pedal travel is not excessive, start engine. Recheck brake pedal again for firmness and no sponginess. If brake pedal is okay, road test vehicle, performing several normal stops from moderate speed.
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