I have a very slow coolant leak somewhere between the firewall and the back side of the engine. very small amounts of coolant are leaking down between the engine and the trany pan. I've checked the coolant lines to the trany and engine oil coolant areas with no luck. the lines to the heater core look good. Can't seem to find the engine drain plug. where is it located and can it be the problem?


also, if you have any other suggestions, let me know


thanks