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1987 Ford Crown Victoria vacuum

Tiny
HAWKBACK
  • MEMBER
  • 1987 FORD CROWN VICTORIA
  • V8
  • 2WD
  • AUTOMATIC
  • 12,100 MILES
There is a vacuum leak that you can hear inside of car. The leak (noise) stops if you are accelerate on the gas pedal
Tuesday, March 23rd, 2010 AT 4:58 PM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Vacuum will go away with more acceleration. Can you tell if it's from the engine compartment or behind dash? If behind dash it could be part of the heating / ac system.
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Thursday, April 22nd, 2010 AT 11:39 PM
Tiny
SLOPPYMECH
  • MEMBER
  • 2 POSTS
I started getting that hissing sound too right after the parking brake auto release stopped working. I was told the hissing sound is coming from the brake booster. That round black thing mounted behind the brake fluid reservoir. I have no clue why my brakes are still functioning. We should be worried right?
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Sunday, May 2nd, 2010 AT 10:39 AM

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