Bleed the brakes first, easy to do....even on the side of the road....with a 9mm wrench and a tool box to depress the peddle...that should help for a bit....i have been driving 3 years doing a once a year fluid bleed...I am just getting to ready to replace the rear hoses tomorrow...as I am getting sick of the squeaking breaks...as was said...the hoses acting like a one way valve....and also I have some large cracks in the lines.

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