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well i think my vacuum pump went out, i have no power brakes, i took off the line going into my booster and felt for vacuum and there is just a tiny bit at idle. does that mean my vacuum pump is bad? it was ok when i pushed the brakes and if i did it again real fast there would be no power brakes, now no power brakes. pump or brake booster....also any one know the part number?
 

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try autozone.com. just replaced mine last night. pedal would be good first time then get hard as a rock.
 

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they are about $100 from an auto parts store. could also be your brake booster. does your AC switch between vents? anyone else know what run on vac that he could test?
 
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