2000 GMC Jimmy master cylinder?

2000 GMC JIMMY
81,000 MILES • 6 CYL • 4WD • AUTOMATIC
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JUSTINGAVIN
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to shift from park was tricky. sometimes the brakes and the shifter would not work together. i pushed on the brakes hard, and the brakes hit the floor. there is not much stopping power. is this a bad master cylinder, or a leak somewhere?

What is a master cylinder?
May 8, 2010 at 12:06 AM
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