safety pin on crankshaft pulley

[ripp]

the crank pulley on a turbocharged fiesta ST has loosened up and caused some damage. I've heard the solution to prevent this is a safety pin on the pulley to keep it in place.
now were there any Tcharged clios having this problem? has anyone used this on their SC/TC clios?
regards

 

[felixb]

i'm interested in this too.

 

[felixb]

????????

 

[sideways danny]

i dont see a downside to using a woodruff key, but then, I havn't seen issues with the crank pulley unless the aux belt fails and gets tangled