Soft Brakes

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Author Message   Brent Fox (Bfox) Member Username: Bfox Post Number: 66 Registered: 10-2002 Posted on Friday, June 13, 2003 - 04:34 pm:    I did a search and I haven't come up with anything quite like this. My problem just began about4 months ago. The brake pedal feels like the brakes need bled. However, when I went to bleed them (engine off) the pedal felt rock solid. The pedal only goes soft with the engine running. This kinda leads me to believe that it's a vacuum or electrical problem. Anyone have any ideas? Thanks- Brent   Mark (Mrroverman) New Member Username: Mrroverman Post Number: 26 Registered: 02-2003 Posted on Friday, June 13, 2003 - 08:52 pm:    Sound like your master cylinder is the problem. Mark   Brent Fox (Bfox) Member Username: Bfox Post Number: 67 Registered: 10-2002 Posted on Saturday, June 14, 2003 - 05:41 pm:    Why would the pedal feel great with the engine off but feel like a sponge with it running. It's not consistent either; sometimes it is worse than others. I thought this may be an issue with the ABS system so I uplugged a fuse or two but there was no change. Any ideas?   David (Dave) Member Username: Dave Post Number: 64 Registered: 02-2003 Posted on Sunday, June 15, 2003 - 01:38 am:    Hi Brent, I have a 97 Disco (not sure what year yours is) and I have the same problem. I was about to bleed the brakes a few weeks ago but between work related trips adn all this rain, I haven't got arround to doing it. Not sure if it's air in the system or the Master cylinder. If you find out anything, let us all know (I'll do likewise. Thanks!   Mike Bauer (Mikeb) Member Username: Mikeb Post Number: 47 Registered: 02-2003 Posted on Sunday, June 15, 2003 - 10:01 am:    Brent: Call me. I have the procedure to test your problem in one of my repair books. Thanks, Mike B.