Does anyone know where I can get a diagram of where these are, and how to get them out, and possibly what tools will be needed? I know they are on the top of the gas tank, but I want to know more about it before I try to tackle it.

 

You can get a diagram of these from the dealer. They have online factory shop manuals that they can print.

 

I'm trying to avoid going to the dealer at all costs, lol

 

Well, IDK what you tell you. I can walk into my neighborhood dealer and get all kind of kindness, service manual information and diagrams as I need them.

 

Must be nice, you can't do that here. They would charge an arm and a leg.

 

you need to drain the gas tank to make it lite weight. it should have a drain plug on the bottom . u can try to lower the charcoal canister on the passenger side of the car, before lowering the tank .but taking the age of the car the mounting nut is rusted . so empty the tank land lower it to access the ldp above the cannister.there are 2 8 mm screws on the inside facing tank .

 

We give out these infos for free is you come in at late hours (Not busy).
I donno what to tell you, but I believe you need to drop the Gas tank in order to get to whose items. At least drop Half of the tank, support it with a jack, and try to reach ur hand in there.
If you try to do this on the ground, I recommend you to Completely drain the gas tank first as mentioned. I don't like the idea of the Drain Plug, they are Plastic, they break real easy, especially on an Old car.