Thank you everyone for your thoughts.
Regent, thank you for the VIDA manual. It helped me find the notch on the crank teeth by using a flash light and shining on it from the engine mount area. It would be great if you could let me in where you found the manual.

Hi Volvo drivers New to the forum here but I have been reading through intensively. Recently I changed the head gasket of my 2005 S40 2.4i non turbo. However,I did not properly lock the cam gears when taking the time belt and now they are out of sync. :x I was able to find the small notches on these...