Question about 2001 Cadillac DeVille

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2001 DeVille: Cad 2001 deville, When I press the brake peddle, I...

Cad 2001 deville When I press the brake peddle I hear the sound of air flowing and the brakes don't engage like normal. As long as my foot on peddle I hear air. Peddle becomes hard to press.

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Thanks for the good information

the air sound AND the hard pedal means you have a brake booster concern

if the car is running ok we can rule out vacuum leaks so that leaves the check valve but with the car running even a check valve wont cause the concern

therefore you need to replace your booster

semi-tough job because you have to remove the master cylinder and typically there may be some push rod adjustments afterward

depending on your level of experience you may want to seek professional assistance



Posted on May 07, 2010

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Posted on Jan 02, 2017

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