Would locating this bolt and tightening it stop the leak? I believe the gasket is very new (a few months).

1973 Dodge Charger SE 400 automatic transmission. Curb weight: 3800 lbs. All stock so far. Goal: Reliable everday driveable warmed up 400 as close to 400hp as possible, then a 470 stroker if need be. Don't protect a feminist when the collapse comes!