1997 Ford F-150 Low brake pedal

1997 FORD F-150
220,000 MILES • 4.6L • V8 • 4WD • AUTOMATIC
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AEVANS410
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my 97 F150 has new front pads, rotors, calipers, brake hoses, rear wheel cylinders, brake shoes and drums seemed to be in spec, master cylinder and power booster. I still have a low pedal. I bench bled the master cylinder, I've bled and bled the brakes. I still have low pedal, but the truck will stop. Any ideas?

Thanks
Jul 16, 2015 at 12:39 PM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Check that you do not have excessive pedal free play and try gravity bleeding the brakes, attach a clear plastic hose to the bleeder and crack it open, allow fluid to flow for a min or so then hold the plastic tube up and watch and wait till all bubbles stop, if they do not stop I would suspect a faulty master cyl, the bubble should stop after 30 sec or so, try this first.
Jul 16, 2015 at 2:39 PM
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