Welcome to the environmentally incorrect world of 1981. In those heady days many cars didn't have coolant recovery bottles. As coolant expanded, excess was just spit onto the pavement. Car would eventually reach homeostasis and stop. Note that this was coolant level for those conditions only. As temperature, trip length, altitude, etc changed, coolant level would have to be topped off so process could start again. Don't confuse big bottle on passenger pontoon with a coolant recovery bottle. Is an expansion tank (is on pressurized side of radiator cap). Mitigates somewhat above process -- many cars just had a hose hanging off filler neck -- but coolant level will still have to be maintained old fashioned way. You could try to engineer a contemporary coolant recovery bottle onto car, but note that radiator cap will need to change. Re-route your overflow hose so it doesn't spit onto exhaust system. Steam from overflow can look confusingly like cooling system leak. Stinks too. Bill Robertson #5939 >--- In dmcnews@xxxxxxxxxxxxxxx, "supermattthehero" <supermatty@xxxx> wrote: > Hi, > > My DeLorean has a hose connected to the plastic coolant bottle that > is pointed down into the engine compartment heading toward the rear > of the vehicle. By looking in the parts manual, I believe this to > be the "air bleeder hose." This hose has been spilling drops of > coolant