986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Brake pedal stops normally then slowly fades to floor. Master cylinder? Booster?

Racer Boy · 06-26-2017, 02:11 PM

The first thing I would check would be the bleed valves on the calipers, make sure that they are tight. Most likely you'll have to fix(rebuild/replace) the master cylinder. Your symptoms are what normally happens when the master cylinder goes bad.

06-26-2017, 02:11 PM	#6
Racer Boy Racer Boy Join Date: Sep 2015 Location: Seattle, WA Posts: 946	The first thing I would check would be the bleed valves on the calipers, make sure that they are tight. Most likely you'll have to fix(rebuild/replace) the master cylinder. Your symptoms are what normally happens when the master cylinder goes bad.