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1995 Chevy S-10 brakes not working correctly

Tiny
DANDI
  • MEMBER
  • 1995 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • MANUAL
  • 115,000 MILES
All of a sudden the brakes on my truck starting acting like they are manual brakes instead of power brakes. There is a noise that they make when I press on them that sounds like air filtering out of something. Also whe I press on the brake my engine runs faster. I do not have good stopping ability as well

thanks for your help
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Tuesday, August 11th, 2009 AT 11:32 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be a vacuum leak on the brake hose and brake booster

To check the brake booster, pump the brake pedal with the engine off until you've bled off all the vacuum from the unit. Then hold the pedal down and start the engine. You should feel the pedal depress slightly as engine vacuum enters the booster and pulls on the diaphragm. No change? Then check the vacuum hose connection and engine vacuum. If okay, the problem is in the booster and the booster needs to be replaced.
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Thursday, August 27th, 2020 AT 6:31 PM

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