expansion tank removal

[teamgs]

Greets,
After removing the aux fan in prep for replacement, I saw that my expansion tank was cracked and leaking. So, I ordered a new one, and started to remove the damaged one.

However, I can't seem to get it loose. I followed the DIY here, but can seem to get it out. I have disconnected the two top hoses, the bottom one at the engine connction, the electrical connection, and one of the bracket screws. (On the driver's light side of the tank.) I can't find the second screw, though there is a screw missing from the passenger side of the tank, at the top of the radiator, that looks like it might have held the second mounting screw at one time.

When I attempt to pull up on the tank, it acts as if it is still attached at the bottom, near the oil cooler.

What am I missing?

Gary