Thanks Ivanerrol. Is there any trick to remove the fan shroud. I tried to last night but it seems the thing is prevented from moving out by the fan blade. Its has the round hole that circumscribe the fan blade and I guess channels the air across the radiator. This piece of plastic is right between the radiator and the fan blade. I don't see how it can be removed, unless I have to remove the radiator first.

[QUOTE=Ivanerrol;2158593]To loosen the tensioner you need ideally to remove the fan shroud and viscous clutch and fan.