2004 Toyota Vitz brake pedal hard

2004 TOYOTA VITZ
125,000 MILES • 1.0L • 4 CYL • FWD • AUTOMATIC
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NOMAN
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Sir I have a vitz 2004, in best condition and drive was superb, but I face one major problem, when I start air condition, the brake pedal become hard on A/C, engine vibration starts, whole car become vibrate, and car didn't take the pick, after this I done 2 things, 1st I give half accelator then car little bit come in motion, 2nd one is that I switch off the A/c then car easily take the pick up , i am very fed up about this problem.
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Jul 31, 2014 at 12:06 PM
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MHPAUTOS
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The hard brake pedal can be a vacuum leak at the booster or the vacuum line to the booster, check these first.
Aug 2, 2014 at 7:52 PM