My air ratchet doesn't provide any more torque than would hand tightening with a manual ratchet...and I believe that is deliberate. So you should be fine either loosening or tightening.

An impact gun is a whole different story...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car