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Power Brake Booster

Tiny
ROBERTMCHRISTIAN
  • MEMBER
  • CHEVROLET BLAZER
I have a 95' S-10 Blazer, mileage 136,000 and when I press the brake pedal I hear a hissing noise and the brakes become really stiff, not to the floor like other forums I have read. I have been told that the brake booster needs to be replaced? Easy enough, but I was wondering if there was any chance it could be the breaker rather than the booster, and if so how would I check? I have no vacuum leaks under the hood that I can tell. Any help would be appreciated! Thanks!
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Thursday, August 23rd, 2007 AT 11:01 AM

2 Replies

Tiny
BOOTDOG
  • MECHANIC
  • 665 POSTS
You have a 1 vacuum hose that runs to the booster, make sure the hose isn't leaking or disconnected. If ok, the replace the booster.
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Friday, March 19th, 2021 AT 12:05 PM
Tiny
RAYT333
  • MEMBER
  • 27 POSTS
Like already stated, you just need to replace the booster. I have had 2 blazers and had to replace the booster in both of them. It is a fairly easy job though.
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Friday, March 19th, 2021 AT 12:05 PM

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