1979 GMC Sierra wont get pressure

1979 GMC SIERRA
100,000 MILES • V8 • 4WD • AUTOMATIC
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CHEVYMAN22
  • MEMBER
  • 1 POST
ive been trying to fix my brakes and i have replaced calibers brake shoes and master cylinder and i have bleed them over and over and still have no brakes what do i do
Aug 15, 2010 at 10:34 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Recheck the master cylinder could be leaking internally or a problem with the combination valve
Aug 15, 2010 at 12:15 PM
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