"I finally found the very very slow antifreeze leak, it is coming from the circled item above, I think it is
the a pump that only comes on when the heater is turned on."
This is the auxillery water pump.
Part with the fuse on top is the overvoltage relay.
"The one at the upper right has a cap that unscrews and there are a bunch of holes in it."
This is where dealer plugs in his computer. Diagonstic plug.
Can't remember what the other part is called but, you
unplug one lead from it before checking timing.