Volkswagen Polo Crankshaft

Hi Guys, Can You Please Help With Timing For Crankshaft Position Sensor And Crank Position? I'm Really Desperate Now.

After Replacing The Rear Crankshaft Seal Which Comes With A New Sensor Housing And The Seal. The Starter Kicks But The Engine Does Not Run....

I Reinstalled The Engine And Everything Is Good And I Install The Cambelt Properly But I Could Not Adjust The Crank Sensor Please I Need...