2001 Ford Escape hissing, air sound

2001 FORD ESCAPE
90,000 MILES • 4 CYL • 2WD • AUTOMATIC
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LIZZIETISHB
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  • 2 POSTS
Hi! There is a hissing type sound in the brake pedal area when the car is in park, drive or just idling. The sound stops when I depress the brake pedal. Brakes are not soft and there is no other sound in the brake area. Thanks, Christine

ps. I know absolutely nothing about cars.
Oct 22, 2009 at 12:38 AM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Hi there,

This i feel is a leaking brake booster, the booster is a vacuum assisted servo unit i would have this checked by a mechanic as it is possibly ready to fail and this will give you a very hard and inefficient brake pedal.

mark (mhpautos)
Mar 12, 2021 at 10:45 AM
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LIZZIETISHB
  • MEMBER
  • 2 POSTS
Thanks for your response.
Mar 12, 2021 at 10:45 AM
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