[steamship]

A little update. Left it to this afternoon to look at the car, but had an old heater placed underneath the engine just to try and heat it up. Turns out the drain pipe that MJ referred to was partly filled with rusty muck, which I cleaned out. I put a litre or two of antifreeze in the expansion tank and left it for a good while. When I came back to it, it was pure antifreeze dripping out, the rest of it having already come out into a basin along with a little muck. Plugged the drain and refitted the two radiator pipes.

Poured in about 3-4 litres of antifreeze and heard it coming out again. It's still at the junction of pipes 9 and 11. I felt around the metal pipe with my bare hand this time and noticed what I would call a dimple. Now, looking at a picture of the pipe itself, there are two small metal studs near the right end of the pipe. As best as I can make out from feeling it, I'd say that the lower one is definitely missing and this might be where the coolant is escaping from.

I'll jack up the drivers side tomorrow so I can get a better view of it from below.

EDIT: Forgot to ask. If this is the cause, could I get a pipe made up, or is there something about how it is shaped in places, as it isn't that tight a space.