A few days ago, the front brakes on my '85 245 w/164K started griding and I noticed that braking power was somewhat diminished. Today, I jacked her up and took a look at the condition of the pads on each wheel. On the left side of the car, the pads were worn down to almost nothing. However, on the right side, there was probably at least 75% of the pad left (eyeballing). The pads were installed at the same time, and have about 15K miles on them. They are PBR Deluxe pads and supposedly have a 40,000 mile warranty. Calipers are about 3 1/2 years old, and are "the real thing", e.g. girlings (ordered from iPd). My theory is that the master cylinder is going out. I am almost 100% sure that it is the original. How long should they last under ideal conditions? Does this sound like a symptom of failure? Looks like the left brake is doing all the work, but how come the car doesn't pull to the left when I brake??