Unless that bolt hole intersects an internal oil passage, can't visualize it. The tensioner on my 3.8 is a lifetime bearing (I did not specify how long lifetime means...until it wears out).
08 JK 23S - Colorado Jeep Club No. 204
Too much to list - see my profile for details on build
NRA Life member
"It takes a special kind of stupid to believe criminals will follow gun laws."
I do not consider myself a smartass. I point out the obvious, search for the truth, and speak fluent sarcasm. I am, by experience, an accomplished curmudgeon.