Hello, My name isXXXXX am a Certified Auto Technician with 25+ years experience. I will do my best to assist you. I don't know your automotive experience level, so I may have to ask questions of you before I can answer. I only know as much about your concern as you have stated in your post, so please feel free to add as much detailed information as possible.
What engine is in your Rodeo?
Does your setup look like this?
Why are you removing the tensioner? Replacement, or to remove the belt?
Oh, I see, The bolt that is holding on the tensioner is in the center of the pivot point, if you can't see it from the front, you may need to access it from the rear of the mounting bracket, and it may be necessary to remove the bracket to allow access to the backside to access the bolt....
If you are still having a hard time finding it, let me know...... I'll look for some actual pics for you....
Cool, glad you got it figured out
If you have any follow up questions, don't hesitate to ask, I am happy to help if needed. Thank you and thanks for using JustAnswer!