Drydock, if one brake line rusted through the rest can't be far behind. You ought to replace them all.

I just finished adjusting the rear brakes on the Suburban. While doing that I noticed the backing plate bolts were loose. I had to pull the drums to fix that. It's always something.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.