Do you use the ebrake on a regular basis? Mine wasn't and the back half of the cable was so rusted it would release the tension even tho the pedal worked fine. Check that
98 scab 4.6 4x4, gotts mod, straight piped, custom bumper, rock sliders, aussie locked rear, welded front, 285/70/17s goodyear territories, rust and dents
D60/10.5 swap, bobbed, wb shortened and flat deck in progress.