bleed the brakes but could get a full pedal

2006 SATURN VUE
2.2L • 4 CYL • FWD • AUTOMATIC
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TMILLER0789
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i had my drive side brake lock on last week. Replace both from brake calibers and pads. Then i went to bleed the brakes but could get a full pedal at all and my car would also quit running after a while and had a bad miss that wasn't there before hand. I then change the brake booster. I started the car and still could not get a full brake pedal. If you hit the pedal 3 or 4 times you a have a firm brake but after you let go it goes back down to the floor. Also now i have a brake light on that wasn't on before.
Aug 26, 2014 at 5:32 PM
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KASEKENNY
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Here is a guide that will get us started on this issue:

https://www.2carpros.com/articles/brake-pedal-goes-to-the-floor

Based on what you did so far, I suspect we have an issue with the master cylinder. What I would do is cap the lines coming off the master cylinder and see if the pedal still drops. If it does then you have a leak inside the unit and it needs to be replaced.

Here is a guide that will help with the replacement:

https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder

Below you will find the process from the manual. Please run through this and let us know if you have questions. Thanks
Mar 8, 2021 at 10:48 AM