Coolant system problem

[motornut]

Originally Posted by J/D/S

You can remove the cap while the engine is running, I've been doing that for years, you can't remove it while the engine is off and hot thats how you get a bath.

i've never done it and having been told all these years not to open a hot rad,and note all the warnings around it, i wouldn't even suggest it to someone else

but it sounds fine