Yes, you can turn it manually.
Many have to do that when shift motor fails.
It is usually easy to turn but make sure vehicle wheels are blocked!!!
And all the pressure is off the drive lines, i.e. shift trans to Neutral AFTER blocking the wheels!!!!
If you have an automatic, block the wheels!!!, start engine, shift into Neutral and shut engine off.
Last edited by RonD; 02-05-2016 at 09:50 AM.