If anyone knows the name of this little elbow hose, please, let me know so that I can refer to it by name. Anyway, it is pictured here, right behind the oil pan, next to the oil-level pipe:
It seems like it is leaking from one or both sides, so probably the best next step would be to replace it and use good hose clamps to avoid the leak. The question is: what's the best way to replace it, without having to drain all the coolant. The reason I want to avoid that is because it was replaced recently when the dealership rebuilt the engine and I'd like to avoid the time and expense of needlessly doing it again. I'm thinking something on the line of clamping each side of the old hose, cutting it in half and then quickly replacing each side with the new hose. I'll obviously loose a bit of coolant, and probably spray myself and around the container I'd put underneath, but it's better than doing it all from scratch. Also, if I do that, would I need to go through the air-bleeding procedure outlined in the service manual for when the entire coolant is replaced? Anything else I need to think about?