brakes

1987 GMC VAN
6 CYL • 2WD • AUTOMATIC
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1959JOHNNY
  • MEMBER
  • 1 POST
why does my brake go to the floor when I start the engine
Jun 30, 2011 at 8:59 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Could be leaking somewhere externally or the brake booster is leaking and an internal leak in the master cylinder
Jun 30, 2011 at 10:14 PM
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YANNICRISANTOS
  • MEMBER
  • 132 POSTS
could be out of brake fluid
Jun 30, 2011 at 10:20 PM
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