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

The Radium King · 07-18-2017, 05:54 AM

well. in most cars, when you have your foot on the brake and you turn the engine off (which kills vacuum) the pedal will slowly drop to the floor. makes me think vacuum issue. or, perhaps an issue w the abs pump? they usually throw a code, however.

07-18-2017, 05:54 AM	#22
The Radium King Registered User Join Date: Apr 2010 Location: Canada Posts: 3,122	well. in most cars, when you have your foot on the brake and you turn the engine off (which kills vacuum) the pedal will slowly drop to the floor. makes me think vacuum issue. or, perhaps an issue w the abs pump? they usually throw a code, however.