Booster

Tiny
RPN002
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 149,000 MILES
Why the brake pedal is to hard to step on and make like leaking air noise and the truck don't stop inmediately?
Monday, September 20th, 2010 AT 12:08 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Thank you for the donation,

This problem you have described is constant with a faulty brake power booster, this is vacuum operated and the noise you hear is vacuum leaking from the unit, vacuum is supplied via the inlet manifold on petrol engines and a dedicated vacuum pump if diesel, have the brake booster inspected for a fault. I would have this done ASAP.

Mark (mhpautos)
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Monday, February 22nd, 2021 AT 6:16 PM

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