Question about 1995 Buick Riviera

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How to replace a brake booster in 1995 buick riviera? my brakes are hard to push and almost impossible to brake. a hissing sound like a air leak comes from the booster.

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Undo the the vacuum hoses and make sure you make a diagram of where each hose goes. move them out of the way.

undo the four bolts that attach the master cyclinder to the booster. use a wire coat hanger or just wire to support it. you don't want to bend or break the brake lines.

undo the four bolts that hold the booster to the firewall. carefully pull it away from the firewall. you will see a small are there with a clip. remove the clip and unhook the arm.

reverse those instructions to put it back together

However BEFORE you do that. Make sure that none of the vaccuum hoses are leaking.

please take a moment to rate this solution. thanks

robert

Posted on Sep 04, 2009

Testimonial: "appreciate your feedback soo much.i was afraid that i have to go under the dash on the inside of the car but your instructions are pretty simple.thk u"

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Check for vacuum leaks. Hissing usually indicates a vacuum leak. Check around the intake manifold and intake runners, pcv valve, vacuum lines, brake booster and anything else (air conditioner controls if you have automatic climate control) that runs on vacuum. A hiss that is louder inside the car is usually caused by either a brake booster leak (closer to driver side) or the air container controls (closet to the center console). Good luck.

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http://neptune.spacebears.com/cars/stories/booster.html

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