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Master Cylinder Bleeding (On-Vehicle)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1997 Ford Pickup, 1997 Ford F-Super Duty, 1997 Ford Cab & Chassis, 1996 Ford Pickup, and 1996 Ford F-Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using a tubing wrench, remove front brake tube and master cylinder outlet rear tube from master cylinder. Install short brake tubes in master cylinder and position them so they curve into master cylinder reservoir, and ends of tubes are submerged in brake fluid.
  2. Fill master cylinder reservoir with new brake fluid. Have an assistant pump brakes until clear, bubble-free fluid flows from both brake tubes. Remove short brake tubes and reinstall front brake tube and master cylinder inlet rear tube on master cylinder. Bleed each brake tube at master cylinder by having and assistant pump brake pedal 10 times and then hold firm pressure on brake pedal.
  3. Loosen rear-most brake tube fittings until a stream of brake fluid comes out. Have an assistant maintain pressure on brake pedal until brake tube fitting is tightened again. Repeat procedure until clear, bubble-free fluid comes out from around tube fitting. Refill master cylinder reservoir as necessary. Repeat this bleeding operation at front brake tube fittings.
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