The camshaft sensor is located in the distributor. I believe you have to replace the hole distributor.
The mark 2 golf crank sensor is usually on the flywheel.
The camshaft TDC mark is located on the camshaft side of the pulley wheel. When the mark is level with the front reinforcing strip on the camshaft cover the camshaft will be at TDC.
behind the power steering reservoir
It's behind the power steering reservoir.
The sensor is a "hall effect" sensor, to align it; just match timing marks on cam sprocket to mark on crank sprocket (so they are as close as possible).
with your hand
Yes you can my friend had them on his golf mark 4
it is a device that is inline of the speedo to give the speed of the vehicle its normally on the gearbox.
2004 vw jetta 2.0 how do I find camshaft timing mark
its not how you mark your ball, its how you mark your titleist.
mark 3
According to Mark Twain, golf is 'a good walk spoiled'.