Yesterday I was driving around for about 3 hours running errands. Mostly highway with 3 or 4 stops for 15 - 20 minutes each ( engine was turned off). Brake pedal was normal. As I was heading home in city driving, I noticed the pedal went about 2 inches farther down than normal before braking action occurred. It happened quite suddenly. One stoplight it was fine, next light (2 or 3 blocks) I had more pedal travel. Brakes still stop the car fine and feel solid. Master cylinder reservoir level is normal.
Thanks in advance for your ideas and comments.
Ken

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Some days are like licking ice cream from a spoon, today is more like trying to staple jello to a brick!
1990 300 SEL