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2003 chevy impala brake pedal goes to floor when sitting at a complete stop

Car Stops fine When your sitting and press the brake pedal it goes soft and goes to the floor. Could this be the brake booster?

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  • Rodger Eden Oct 31, 2012

    I did not do any work on it to get air in hte lines it just started to go to the floor

  • Rodger Eden Oct 31, 2012

    Fluid is fine I will change the master cylinder i was not sure if it would be the booster or the Master Cylinder.

  • Rodger Eden Oct 31, 2012

    Thanks for your input!

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  • 44 Answers

First, check your brake fluid levels, if it is low then that enplanes your problem. Also, when was the last time you had the brakes changed? if the are worn down, then this will also cause a low fluid level. if the brakes are fine and the fluid level is good and you still have the same issue, then your problem is probably your master cylinder. Brake boosters hardly ever go bad.

Posted on Oct 31, 2012

  • sharon
    sharon Apr 21, 2014

    already had master cylinder replsced twice in 6 months bled repeartly and still hsve no brakes.

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Posted on Jan 02, 2017

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dennymulford
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SOURCE: brake pedal goes soft when engin is running on 1998 chevy 1500

pull your rear drums and inspect the shoes,you may have too addjust them out by hand too get the peddle you want

Posted on Mar 15, 2009

  • 8 Answers

SOURCE: brake pedal goes to floor

there is still air in your hydraulic lines somewhere bleed the system with a pressurised power bleeder and you will get instant results

Posted on May 01, 2009

  • 1779 Answers

SOURCE: 1998 chevy s10- brake pedal goes to the floor-

Did you put fresh fluid in the master cylinder? I really think you still have air in the lines. To bleed manually, start with the bleeder the greatest distance from the master cylinder, car running, helper pushing down about half way on brake pedal and releasing 3 times, on 3rd time, holding pedal down to half way depressed point while you open the bleeder valve. Repeat until you are sure all air has been flushed out. Check master cyl reservoir level often, because if it gets low and you **** air into the system, you have to start all over again. Go to wheel next greatest distance from master cyl, repeat above, working your way to wheel closest to master cyl last.

Posted on Apr 12, 2009

  • 109 Answers

SOURCE: Brake pedal goes down to floor. Putting brake fluid doesn't solve problem. Vehicle must coast to a complete stop.

First look for obvious leaks under the vehicle, especially the inside area of each wheel... If you see fluid, you have either a blown cylinder seal or a bad line (check the rubber hoses to the front and back brakes too) Repair the offending part and bleed the air out of the system... (remember to clean pads or shoes if they have fluid on them)... If you see no hint of leakage anywhere, then suspect the master cylinder... if you remove the master cylinder, check and make sure that it didn't leak fluid into the brake booster diaphragm (Brake fluid will destroy the booster)... as in any repair when you open the system (lose fluid), you will need to bleed out the air to restore function... hope this helps...;-)

Posted on May 04, 2009

  • 4 Answers

SOURCE: parking brake pedal goes to floor

The disc brake pads are NOT used for the parking brake. The parking brake uses mini-drum type shoes inside the rear disc rotor.

Take a look at http://wiki.answers.com/Q/How_do_you_change_the_emergency_brake_pads_on_a_2000_Chevy_1500_Silverado_Pickup

For more info

Posted on Jun 21, 2009

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