no brakes when i apply brake pedal

1992 PONTIAC SUNBIRD
143,000 MILES • 2.2L • 4 CYL • 2WD • AUTOMATIC
Avatar
DEBBIE GILLIT
  • MEMBER
  • 1 POST
master cylinder is full but I hear a swooshing sound when I apply the brake pedal. Pedal goes all the way to the floor.
Aug 10, 2017 at 8:36 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
CJ MEDEVAC
  • CAR REPAIR CONTRIBUTOR
  • 11,004 POSTS
Every thing was fine prior to this?

Did you run out of fluid?

If my 1st question received a 'yes', w/ no fluid having been lost,

Mr. Master Cylinder's piston/ plunger seal may have tore/ wore out and it can no longer 'push' fluid, it's allowing it to pass on by the seal.

The Medic
Aug 10, 2017 at 4:21 PM
Advertisement