you might just have 50 years of condensation built up - no tellin if the trans oil was ever changed, and in a wet climate the alternate heating and cooling would do it for ya
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics