It is possible. The torx bolt will come out. But it is no easy task. Some new curse words will be invented during the removal process. Still beats pulling the engine and removing the oil pan and bed plate.
It's been a while. But, if I remember, I used a pair of pliers to turn the bolt all the way out until it was tight against the lower cover. Then was able to pry it out with the guide.
Why are you changing the chain?