How much time to replace belt tensioner on 1990 Chevrolet Beretta

I have a 1989 chevrolet/beretta/2.8L.
How much time/work to replace belt tensioner.
Do I have to loosen motor mount to access the tensioner, for there’s no room there.

Asked by for the 1990 Chevrolet Beretta
1 more answer
Typically in the 1 hour range give or take. There is no labor guide in the estimator link. I just now saw that your rig is the 89 2.8 liter engine, may be a bit more for mount removal if needed. I wouldn't think that would be more than 2 hours though.