On my 88 TII it has been using coolant pretty heavily, sometimes causing steam to come from the engine. I was wondering if the two o-rings located in the intake manifold could be a possible cause. I have checked all the hoses and they are fine, but a small pool of antifreeze can be seen on top of the intake maifold where it bolts to the engine, so tell me if you have ever seen something like this..

Thanks