I did one today on an 8V Cab as it happens.
I took the pipe off the top of the coolant bottle and the flange instead of the throttle body itself. This was just to make it easier.
Then I blocked up the flange with another bit of pipe and a bolt and none comes out of the bottle.
There is a multiwire plug underneath, three pipes to remove, I replaced one clip with a jubilee clip. Then carb cleaner and some motton cloth and it was shiny and idled properly!