Maybe you can get to it by taking the wheel well liner out.

Below is a pic looking back into the fender cavity with the wheel well liner out. Looks like there's splash guard you'd have to get past.

View from the door side taken from the vid below:

 

Interesting. I hadnt thought about coming from the wheel well. I have looked at that video. I had the door off to fix where the hinge mounds to the door.The wind had bent it causing the door to be crazy high and out. I gently massaged the area with a BFH to make it flat again. Now it hangs a tiny bit low.In the second pic you can see that vertical piece of metal that obstructs any wrenches from getting to it. The top hinge does not have that part. I thought maybe someone had done this before and knew of a certain type of wrench that would work. Ill have to mess with it some more when the weather clears up here.

 

They make a small door spring compressor tool to remove the spring. My advance auto had it in stock and it worked great when I rebuilt the hinges on my 73 camaro.

 

You cant access that bolt without taking the whole door out but if your problem is adjustments so it will close properly, adjust the bolts that is on the door itself not the one thats on the car frame

 

I figured as much. My problem is that the door is hanging a hair low so I would like to raise it by adjusting at the pillar. I could just do the top hinge but the line to the fender is a bit thin up there already. The bolts on the door itself just allow adjustment for how far the door sticks out I believe and not how it hangs.

 

My car door is a bit lower so i need it to go up, i just play with those 4 nuts on the door. By the rnd of the day Nut is loose but its up, just like i wanted. I

 

Ah I see what youre saying now. you loosen the 4 nuts and then raise the whole door a bit. Im just looking to "tip" the door up a bit not raise the whole thing straight up.

 

I have an extra nut and used it lock a nut thats loose