Awhile back, I was running some errands in our '95. One of my stops was at a motorcycle shop to buy some parts for my bike. I got there via a street with 3 lanes each direction. Traffic runs up to 50 mph. The shop actually sets on a frontage road next to this street. Come time to go home, I idled out of the parking lot, came up to the stop sign for the frontage road, and the brake pedal went to the floor. Thankfully, there was little traffic on this frontage road and I made it to another parking lot with no issues! I figured it was a hose, but it turned out, one of the steel lines (no coating) had rusted out. Could have be bad had I been, for example, in the middle lane on that street, and unable to run it onto the shoulder/ditch!
The brake lines on our '01 Sport have some kind of coating on them. No idea when they started using coated brake lines.
The moral of the story - spend some time examining your brake lines on these old vehicles, or maybe if you have uncoated lines, just replace them.
I changed out everything but the ABS HCU and vacuum booster. By the way, I used the new automotive copper brake line. So nice to work with.