1993 Mazda MPV brakes

1993 MAZDA MPV
210,000 MILES • 6 CYL • 2WD • AUTOMATIC
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GARYH1351
  • MEMBER
  • 2 POSTS
hi the brake pedal would slowly go to the floor so i replaced the master cylinder but after much bleeding of the brakes,still somewhat soft but serviceable now the rear wheels will lock when cold,checked the shoes appear clean no oil also approx 75% left on linings so adjusted rear shoes improved for a while again brakes very eratic ,could there be a abs problem if so recomendations would be much appretiated gary
Jan 29, 2008 at 11:25 AM
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MERLIN2021
  • ✓ASE Certified Mechanic
  • 17,250 POSTS
  • ASE Certified Mechanic
Did you bench bleed the new master? If not remove the steel lines, install brass plugs and snug them up, the gently pump till the pedal wont move, at this point all air is gone from master. Reattach the lines and bleed lines. Then bleed wheels, RR, LF, LR, RF.
Jan 29, 2008 at 11:33 AM
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