no brake pedal pressure with engine on

Asked by Jun 29, 2015 at 03:57 PM about the Chevrolet Corvette

Question type: Maintenance & Repair

Slowly lost my brakes when I went for a drive.
With the engine off I have brake peddle pressure, with the engine on I have no peddle
pressure.
I have full brake fluid reservoir and no leaks.
85 corvette

2 Answers

58,315

Bad brake master cylinder.

Best Answer

Master cylinder bad.

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